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for invention","granted":true,"earliest_filing_date":"2004-09-27","grant_date":"2012-04-04","anticipated_term_date":"2024-09-27","has_disclaimer":false,"patent_status":"ACTIVE","publication_count":3,"has_spc":false,"has_grant_event":true,"has_entry_into_national_phase":false},"abstract":{"en":[{"text":"An elevator door lock assembly (30) includes a sensor device (40) for providing an indication of a properly locked door. A plurality of proximity sensor elements (42, 44) interact with activating elements (52, 54) when the door lock assembly (30) is properly locked. In disclosed examples, a specific geometric pattern of the sensor elements (42, 44) and the activating elements (52, 54) provides redundancy and tampering protection. In a disclosed example, an output from the sensor device (40) provides an indication of a condition of the door lock and a building level location of a plurality of sensor devices.","lang":"en","source":"DOCDB_NATIONAL_OFFICE","data_format":"DOCDBA"}]},"abstract_lang":["en"],"has_abstract":true,"claim":{"en":[{"text":"A sensor device (40) for determining a condition of an elevator door lock (30), comprising:\n a plurality of proximity sensor elements (42, 44) arranged in a selected geometric pattern and mountable on a portion of a single elevator door lock (30); and \n a plurality of activating elements (52, 54) mountable on another portion of the single elevator door lock (30) and arranged in a corresponding geometric pattern so that each of the activating elements (52, 54) interacts with a corresponding one of the sensor elements (42, 44) when the activating elements (52, 54) are positioned relative to the sensor elements (42, 44) in a manner corresponding to a locked condition of the elevator door lock (30); \n characterised in that :\n a first one of the sensor elements (42, 44) is responsive to magnetic north and a second one of the sensor elements (42, 44) is responsive to magnetic south.","lang":"en","source":"EPO_FULLTEXT","data_format":"ORIGINAL"},{"text":"The device of claim 1, wherein the sensor elements (42, 44) comprises Hall effect sensor elements.","lang":"en","source":"EPO_FULLTEXT","data_format":"ORIGINAL"},{"text":"The device of claim 2, wherein the activating elements (52, 54) comprises magnets.","lang":"en","source":"EPO_FULLTEXT","data_format":"ORIGINAL"},{"text":"The device of claim 1, including a controller (48) that determines whetner every activating element (52, 54) is interacting with the corresponding sensor element (42, 44).","lang":"en","source":"EPO_FULLTEXT","data_format":"ORIGINAL"},{"text":"The device of claim 4, wherein the controller (48) determines that the elevator door lock (30) is in an unlocked condition whenever at least one of the activating elements (52, 54) is not interacting with the corresponding sensor element (42, 44).","lang":"en","source":"EPO_FULLTEXT","data_format":"ORIGINAL"},{"text":"The device of claim 1, wherein the sensor elements (42, 44) each provide a voltage responsive to interaction with a corresponding one of the activating elements (52, 54) and wherein the voltages provide an indication of the condition of the elevator door lock (30).","lang":"en","source":"EPO_FULLTEXT","data_format":"ORIGINAL"},{"text":"The device of claim 1, including an output circuit (46) that provides an indication that the elevator door lock (30) is in the locked condition only when every sensor element (42, 44) is affected by the corresponding activating element (52, 54).","lang":"en","source":"EPO_FULLTEXT","data_format":"ORIGINAL"},{"text":"The device of claim 1, including an output drcuit (46) that provides an indication of a location of the device (40).","lang":"en","source":"EPO_FULLTEXT","data_format":"ORIGINAL"},{"text":"The device of claim 8, wherein the output circuit (46) provides a binary output indicative of the location.","lang":"en","source":"EPO_FULLTEXT","data_format":"ORIGINAL"},{"text":"An elevator door lock assembly, comprising:\n the sensor device (40) of any preceding claim; \n a locking member (32) of a single elevator door lock (30); \n a lock receiver (38) of the single elevator door lock (30) that receives at least a portion of the locking member (32) for selectively locking an elevator door (22) in a closed position; \n wherein the plurality of proximity sensor elements (42, 44) are supported on one of the locking member (32) or the lock receiver (38); and \n wherein the plurality of activating elements (52, 54) are supported on the other of the lock receiver (38) or the locking member (32) so that each of the activating elements (52, 54) interacts with a corresponding one of the sensor elements (42, 44) when the lock receiver receives at least the portion of the locking member (32).","lang":"en","source":"EPO_FULLTEXT","data_format":"ORIGINAL"},{"text":"The assembly of claim 10, including an output circuit (46) that provides an indication of a building level location of the sensor elements (42, 44).","lang":"en","source":"EPO_FULLTEXT","data_format":"ORIGINAL"},{"text":"The sensor device (40) of claim 1, including an output circuit responsive to the sensor elements (42, 44) that provides an output indicative of whether the lock (30) is in a locked condition and indicative of a building level location of the device (40).","lang":"en","source":"EPO_FULLTEXT","data_format":"ORIGINAL"},{"text":"The device of claim 12, including at least one proximity sensor element (42, 44) and a corresponding output circuit (46) located at each one of a plurality of different building levels and a controller (48) that receives the indications from the output circuits (46) and determines whether an elevator door lock (30) at each of the building levels is in a locked condition.","lang":"en","source":"EPO_FULLTEXT","data_format":"ORIGINAL"}],"de":[{"text":"Sensorvorrichtung (40) zum Feststellen eines Zustands einer Aufzugtürverriegelung (30), aufweisend:\n eine Mehrzahl von Näherungssensorelementen (42, 44), die in einem ausgewählten geometrischen Muster angeordnet sind und in einem Bereich einer einzelnen Aufzugtürverriegelung (30) anbringbar sind; und \n eine Mehrzahl von Aktivierungselementen (52, 54), die in einem anderen Bereich der einzelnen Aufzugtürverriegelung (30) anbringbar sind und in einem entsprechenden geometrischen Muster angeordnet sind, so dass jedes der Aktivierungselemente (52, 54) mit einem entsprechenden der Sensorelemente (42, 44) in Wechselwirkung tritt, wenn die Aktivierungselemente (52, 54) relativ zu den Sensorelementen (42, 44) in einer Weise positioniert sind, die einem verriegelten Zustand der Aufzugtürverriegelung (30) entspricht, \n dadurch gekennzeichnet, \n dass ein erstes von den Sensorelementen (42, 44) auf einen magnetischen Norden anspricht und ein zweites von den Sensorelementen (42, 44) auf einen magnetischen Süden anspricht.","lang":"de","source":"EPO_FULLTEXT","data_format":"ORIGINAL"},{"text":"Vorrichtung nach Anspruch 1, \nwobei die Sensorelemente (42, 44) Halleffekt-Sensorelemente aufweisen.","lang":"de","source":"EPO_FULLTEXT","data_format":"ORIGINAL"},{"text":"Vorrichtung nach Anspruch 2, \nwobei die Aktivierungselemente (52, 54) Magneten aufweisen.","lang":"de","source":"EPO_FULLTEXT","data_format":"ORIGINAL"},{"text":"Vorrichtung nach Anspruch 1, \nmit einer Steuerung (48), die feststellt, ob jedes Aktivierungselement (52, 54) mit dem entsprechenden Sensorelement (42, 44) in Wechselwirkung steht.","lang":"de","source":"EPO_FULLTEXT","data_format":"ORIGINAL"},{"text":"Vorrichtung nach Anspruch 4, \nwobei die Steuerung (48) immer dann feststellt, dass sich die Aufzugtürverriegelung (30) in einem entriegelten Zustand befindet, wenn wenigstens eines der Aktivierungselemente (52, 54) nicht mit dem entsprechenden Sensorelement (42, 44) in Wechselwirkung steht.","lang":"de","source":"EPO_FULLTEXT","data_format":"ORIGINAL"},{"text":"Vorrichtung nach Anspruch 1, \nwobei die Sensorelemente (42, 44) ansprechend auf eine Wechselwirkung mit einem entsprechenden der Aktivierungselemente (52, 54) jeweils eine Spannung bereitstellen, und wobei die Spannungen eine Anzeige über den Zustand der Aufzugtürverriegelung (30) liefern.","lang":"de","source":"EPO_FULLTEXT","data_format":"ORIGINAL"},{"text":"Vorrichtung nach Anspruch 1, \nmit einer Ausgangsschaltung (46), die nur dann eine Anzeige liefert, dass sich die Aufzugtürverriegelung (30) in dem verriegelten Zustand befindet, wenn jedes Sensorelement (42, 44) von dem entsprechenden Aktivierungselement (52, 54) beeinflusst wird.","lang":"de","source":"EPO_FULLTEXT","data_format":"ORIGINAL"},{"text":"Vorrichtung nach Anspruch 1, \nmit einer Ausgangsschaltung (46), die eine Anzeige über einen Ort der Vorrichtung (40) liefert.","lang":"de","source":"EPO_FULLTEXT","data_format":"ORIGINAL"},{"text":"Vorrichtung nach Anspruch 8, \nwobei die Ausgangsschaltung (46) einen binären Ausgang liefert, der den Ort anzeigt.","lang":"de","source":"EPO_FULLTEXT","data_format":"ORIGINAL"},{"text":"Aufzugtürverriegelungsanordnung, aufweisend:\n die Sensorvorrichtung (40) nach einem der vorausgehenden Ansprüche; ein Verriegelungselement (32) einer einzelnen Aufzugtürverriegelung (30) ; \n einen Verriegelungsaufnehmer (38) der einzelnen Aufzugtürverriegelung (30), der mindestens einen Teil des Verriegelungselements (32) zum selektiven Verriegeln einer Aufzugtür (22) in einer geschlossenen Position aufnimmt; \n wobei die Mehrzahl von Näherungssensorelementen (42, 44) auf einem von dem Verriegelungselement (32) und dem Verriegelungsaufnehmer (38) gehaltert sind; und \n wobei die Mehrzahl von Aktivierungselementen (52, 54) auf dem jeweils anderen von dem Verriegelungsaufnehmer (38) und dem Verriegelungselement (32) gehaltert sind, so dass jedes der Aktivierungselemente (52, 54) mit einem entsprechenden der Sensorelemente (42, 44) in Wechselwirkung tritt, wenn der Verriegelungsaufnehmer zumindest den Teil des Verriegelungselements (32) aufnimmt.","lang":"de","source":"EPO_FULLTEXT","data_format":"ORIGINAL"},{"text":"Anordnung nach Anspruch 10, \nmit einer Ausgangsschaltung (46), die eine Anzeige über einen Gebäudeebenen-Ort der Sensorelemente (42, 44) liefert.","lang":"de","source":"EPO_FULLTEXT","data_format":"ORIGINAL"},{"text":"Sensorvorrichtung (40) nach Anspruch 1, \nmit einer auf die Sensorelemente (42, 44) ansprechende Ausgangsschaltung, die einen Ausgang liefert, der anzeigt, ob sich die Verriegelung (30) in einem verriegelten Zustand befindet, sowie einen Gebäudeebenen-Ort der Vorrichtung (40) anzeigt.","lang":"de","source":"EPO_FULLTEXT","data_format":"ORIGINAL"},{"text":"Vorrichtung nach Anspruch 12, \nmit mindestens einem Näherungssensorelement (42, 44) und einer entsprechenden Ausgangsschaltung (46) in einer Anordnung auf jeder von mehreren verschiedenen Gebäudeebenen, sowie mit einer Steuerung (48), die die Angaben von den Ausgangsschaltungen (46) empfängt und feststellt, ob sich eine Aufzugtürverriegelung (30) auf jeder der Gebäudeebenen in einem verriegelten Zustand befindet.","lang":"de","source":"EPO_FULLTEXT","data_format":"ORIGINAL"}],"fr":[{"text":"Dispositif détecteur (40) permettant d'établir un état d'un dispositif de verrouillage (30) de porte d'ascenseur, comprenant :\n une pluralité d'éléments détecteurs de proximité (42, 44) agencés de manière à former une figure géométrique définie et susceptibles d'être montés sur une partie d'un même dispositif de verrouillage (30) de porte d'ascenseur ; et \n une pluralité d'éléments d'activation (52, 54) susceptibles d'être montés sur une autre partie du même dispositif de verrouillage (30) de porte d'ascenseur et agencés de manière à former une figure géométrique correspondante, de sorte que chacun des éléments d'activation (52, 54) entre en interaction avec un élément détecteur correspondant parmi les éléments détecteurs (42, 44) lorsque les éléments d'activation (52, 54) se placent par rapport aux éléments détecteurs (42, 44) d'une manière correspondant à un état verrouillé du dispositif de verrouillage (30) de porte d'ascenseur ; \n caractérisé en ce que :\n un premier des éléments détecteurs (42, 44) est sensible au nord magnétique et un deuxième des éléments détecteurs (42, 44) est sensible au sud magnétique.","lang":"fr","source":"EPO_FULLTEXT","data_format":"ORIGINAL"},{"text":"Dispositif selon la revendication 1, les éléments détecteurs (42, 44) comprenant des éléments détecteurs à effet Hall.","lang":"fr","source":"EPO_FULLTEXT","data_format":"ORIGINAL"},{"text":"Dispositif selon la revendication 2, les éléments d'activation (52, 54) comprenant des aimants.","lang":"fr","source":"EPO_FULLTEXT","data_format":"ORIGINAL"},{"text":"Dispositif selon la revendication 1, comportant une unité de commande (48) qui établit si chaque élément d'activation (52, 54) est en interaction avec l'élément détecteur (42, 44) correspondant.","lang":"fr","source":"EPO_FULLTEXT","data_format":"ORIGINAL"},{"text":"Dispositif selon la revendication 4, l'unité de commande (48) établissant que le dispositif de verrouillage (30) de porte d'ascenseur se trouve dans un état déverrouillé dès lors qu'au moins un des éléments d'activation (52, 54) n'est pas en interaction avec l'élément détecteur (42, 44) correspondant.","lang":"fr","source":"EPO_FULLTEXT","data_format":"ORIGINAL"},{"text":"Dispositif selon la revendication 1, chacun des éléments détecteurs (42, 44) produisant une tension suite à une interaction avec un élément d'activation correspondant parmi les éléments d'activation (52, 54), et les tensions produisant une indication de l'état du dispositif de verrouillage (30) de porte d'ascenseur.","lang":"fr","source":"EPO_FULLTEXT","data_format":"ORIGINAL"},{"text":"Dispositif selon la revendication 1, comportant un circuit de sortie (46) qui produit une indication que le dispositif de verrouillage (30) de porte d'ascenseur se trouve dans l'état verrouillé uniquement si chaque élément détecteur (42, 44) est affecté par l'élément d'activation (52, 54) correspondant.","lang":"fr","source":"EPO_FULLTEXT","data_format":"ORIGINAL"},{"text":"Dispositif selon la revendication 1, comportant un circuit de sortie (46) qui produit une indication de la position du dispositif (40).","lang":"fr","source":"EPO_FULLTEXT","data_format":"ORIGINAL"},{"text":"Dispositif selon la revendication 8, le circuit de sortie (46) produisant une sortie binaire indiquant la position.","lang":"fr","source":"EPO_FULLTEXT","data_format":"ORIGINAL"},{"text":"Ensemble dispositif de verrouillage de porte d'ascenseur, comprenant :\n le dispositif détecteur (40) selon l'une quelconque des revendications précédentes ; \n un organe de verrouillage (32) d'un même dispositif de verrouillage (30) de porte d'ascenseur ; \n un récepteur (38) de dispositif de verrouillage associé au dispositif de verrouillage (30) de porte d'ascenseur, qui reçoit au moins une partie de l'organe de verrouillage (32) pour assurer un verrouillage sélectif d'une porte (22) d'ascenseur dans une position fermée ; \n la pluralité d'éléments détecteurs de proximité (42, 44) reposant sur un parmi l'organe de verrouillage (32) et le récepteur (38) de dispositif de verrouillage ; et \n la pluralité d'éléments d'activation (52, 54) reposant sur l'autre parmi l'organe de verrouillage (32) et le récepteur (38) de dispositif de verrouillage de sorte que chacun des éléments d'activation (52, 54) entre en interaction avec un élément détecteur correspondant parmi les éléments détecteurs (42, 44) lorsque le récepteur de dispositif de verrouillage reçoit au moins la partie de l'organe de verrouillage (32).","lang":"fr","source":"EPO_FULLTEXT","data_format":"ORIGINAL"},{"text":"Ensemble selon la revendication 10, comportant un circuit de sortie (46) produisant une indication d'une position à un niveau de bâtiment des éléments détecteurs (42, 44).","lang":"fr","source":"EPO_FULLTEXT","data_format":"ORIGINAL"},{"text":"Dispositif détecteur (40) selon la revendication 1, comportant un circuit de sortie sensible aux éléments détecteurs (42, 44) qui produit une sortie indiquant si le dispositif de verrouillage (30) se trouve dans un état verrouillé et indiquant une position à un niveau de bâtiment du dispositif (40).","lang":"fr","source":"EPO_FULLTEXT","data_format":"ORIGINAL"},{"text":"Dispositif selon la revendication 12, comportant au moins un élément détecteur de proximité (42, 44) et un circuit de sortie (46) correspondant à chacun d'une pluralité de niveaux de bâtiment différents, et une unité de commande (48) qui reçoit les indications provenant des circuits de sortie (46) et établit si un dispositif de verrouillage (30) de porte d'ascenseur à chacun des niveaux de bâtiment se trouve dans un état verrouillé.","lang":"fr","source":"EPO_FULLTEXT","data_format":"ORIGINAL"}]},"claim_lang":["en","de","fr"],"has_claim":true,"description":{"en":{"text":"1. Field of the Invention This invention generally relates to elevator systems. More particularly, this invention relates to elevator door lock systems. 2. Description of the Related Art Elevator systems typically include a plurality of elevator doors. Some doors travel with the elevator car as it moves up and down within a hoistway, for example. Other doors are located at each landing, providing access to the hoistway or the elevator car when the car is at a particular landing. Various door arrangements are known. It is necessary to keep the doors in a locked condition at various stages of elevator system operation. For example, when the elevator car is not at a landing, the corresponding hoistway doors should be kept locked. Current safety codes require an arrangement for detecting when an elevator door is not properly locked. In many situations, an elevator system controller prevents operation of the elevator system when a door is not properly locked. Typical arrangements include mechanical switches for detecting when an elevator door lock is properly locked. Such arrangements have proven useful but are not without difficulties and shortcomings. For example, it is easy for an individual to defeat the function of a mechanical switch using readily available tools to \"trick\" the controller regarding the condition of the door lock. Additionally, the contact surfaces associated with mechanical switches are often subjected to dirt, corrosion or damage, which requires periodic cleaning and inspection. Additionally, the shunt and spring components of mechanical switches tend to wear over time and require periodic cleaning and inspection. There is a need for an improved sensor arrangement for providing an indication of a properly locked elevator door. This invention addresses that need. JP 7 330256A discloses a sensor device having the features of the preamble of claim 1. According to the present invention there is provided a sensor device for determining a condition of an elevator door lock as set forth in claim 1. In one example, the proximity sensor elements comprise hall effect sensor elements and the activating elements comprise magnets. In one example, an output circuit associated with the sensor elements provides an indication that the door lock is in a locked condition only when each of the activating elements properly interacts with each of the sensor elements. In one example, the output circuit provides an output that indicates a location such as the building level of each door lock sensor device. Such location information is particularly useful when a mechanic or technician is troubleshooting or trying to locate an improperly unlocked door. Another example sensor device for determining a condition of an elevator door lock includes an output circuit that provides an output indicative of whether the lock is in a locked condition and indicative of a building level location of the device. In one example, a controller receives the indications from the output circuits and determines whether an elevator door lock at each of the building levels is in a locked condition. The various features and advantages of this invention will become apparent to those skilled in the art from the following detailed description of currently preferred embodiments. The drawings that accompany the detailed description can be briefly described as follows. BRIEF DESCRIPTION OF THE DRAWINGS \n Figure 1 schematically illustrates selected components of an elevator door assembly including a sensor device designed according to an embodiment of this invention. Figure 2 schematically illustrates selected portions of a sensor arrangement designed according to an embodiment of this invention. Figure 3 schematically illustrates an example geometric pattern of sensor elements. Figure 4 schematically illustrates an alternative geometric pattern. Figure 5 schematically illustrates an example output circuit useful with the embodiment of Figure 2 , for example. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Figure 1 schematically illustrates an elevator door assembly 20. A door panel 22 is supported in a known manner for moving relative to a header 24. In the illustrated example, the door panel 22 slides horizontally between open and closed positions. A locking device 30 is associated with the door panel 22 and the header 24 in a generally known manner. A locking member 32 in this example is pivotally supported at 34 on the door 22. The example locking member 32 has a locking portion 36 that is received within a receiver 38, which remains stationary relative to the header 24. When the locking portion 36 is received within the receiver 38, the door 22 is properly locked. The example of Figure 1 includes a sensor device 40 for detecting when the door lock assembly 30 is in a properly locked condition. The sensor device 40 includes at least one proximity sensor element for sensing when the locking portion 36 is properly received within the receiver 38, for example. The term \"proximity sensor\" is used in this description to refer to sensor devices that provide a sensing function without requiring mechanical or physical contact. Examples include Hall effect sensors, inductive sensors and opto-electronic sensors. Using proximity sensors avoids the shortcomings and drawbacks associated with mechanical switches. Moreover, additional sensor features become possible in an economically feasible manner as described below. One example sensor device arrangement is shown in Figure 2 . In this example, a plurality of proximity sensor elements 42 and 44 are supported on the receiver 38. The sensor elements 42 and 44 provide an indication to an output circuit 46 that communicates with a controller 48 to provide an indication of when the door lock assembly 30 is properly locked. In this example, the locking portion 36 of the locking member 32 supports activating elements 52 and 54. The activating elements 52 and 54 are positioned on the locking portion 36 to interact with the proximity sensor elements 42 and 44, respectively, when the lock assembly 30 is properly locked. Providing a plurality of sensor elements 42 and 44 provides redundancy for meeting code requirements to cover situations where one sensor element may fail. Providing a plurality of sensor elements 42 and 44 also allows for arranging the sensor elements in a particular geometric pattern and setting the activating elements 52 and 54 in a corresponding geometric pattern so that the sensor device 40 provides an indication of a properly locked door lock only when each sensor element interacts with a corresponding one of the activating elements. This strategic placement of sensor elements and activating elements effectively provides a key associated with each door lock to avoid an improper indication of a locked door condition. Figure 3 schematically shows one example geometric pattern arrangement where sensor elements 42, 44 and 45 are aligned and corresponding activating elements 52, 54 and 56 are aligned so that they overlap in a manner that the sensor elements are activated by the presence of the activating elements when the door lock is in a locked position. Another example geometric pattern is shown in Figure 4 . A variety of patterns are possible. Using a specific arrangement of the elements allows for customizing the arrangement and prevents an individual from overriding the sensor arrangement. Providing a false-positive indication of a door lock condition would require an individual to arrange activating elements consistent with the geometric pattern of the sensor elements, for example. By providing different patterns for a variety of door lock arrangements, such tampering can be prevented. The sensor elements preferably are proximity sensor elements that do not require contact such as that required using a mechanical switch. In one example, the sensor elements comprise hall effect sensor elements that respond to a magnetic field caused by the appropriate presence of activating elements. In one example, the activating elements comprise magnets. One particular example has the sensor elements and activating elements arranged so that magnetic north or south is required in particular locations. Such an arrangement prevents, for example, an individual placing a single magnet over the field of all of the sensor elements to circumvent the sensor function. Having one of the sensor elements responsive only to magnetic north and another sensor element responsive only to magnetic south, for example, provides a robust arrangement. Another example includes inductive sensor elements. Still another example includes opto-electronic sensor elements. Still another example includes a combination of two or more of such sensor elements. Figure 5 schematically shows one example output circuit 46. In this example, sensor elements 42 and 44 provide output voltages responsive to appropriate interaction with an activating element, respectively. In the example of Figure 5 AND gates 60 and 62 both receive the output voltages from the sensor elements 42 and 44. The output of the AND gates 60 and 62 are provided to an OR gate 64. When the sensor elements 42 and 42 are properly interacting with activating elements, they provide a voltage output that corresponds to a logic HIGH. Accordingly, the AND gates 60 and 62 forward an output signal through the OR gate 64 indicating that both of the sensor elements 42 and 44 are properly interacting with activating elements and the door is in a locked condition. Two AND gates 60 and 62 are provided in the example of Figure 5 for redundancy. If one of the AND gates 60 and 62 were to fail, the other would still provide a proper output through the OR gate 64 indicating a locked condition of the door. If either of the sensor elements 42 or 44 is not properly interacting with an activating element (i.e., the locking portion 36 is not in the receiver 38), the output from the OR gate 64 is a logical LOW, which indicates an unlocked door condition in one example. A variety of output circuits can be used to meet the needs of a particular situation. One example arrangement includes output circuits that provide a binary output for indicating when the door lock is in a locked condition. In one example, the binary output also provides an indication of a building level location of a particular sensor device. One example output circuit provides a binary output number to the controller 48 that allows the controller to determine which building levels have locked doors. Such an arrangement facilitates troubleshooting or maintenance because a sensor that provides a building level location indication allows a mechanic or technician to readily identify what building level requires service in the event of a callback, for example. In one example, the controller 48 provides a building level indication of an unlocked door to a remote location so that a service technician arriving at a site already has information about which door lock (i.e., on which level) requires attention or maintenance. Such additional, useful information was not possible using traditional lock sensors that rely upon mechanical switches. In one example, the plurality of sensor elements includes a number corresponding to the desired bits within a binary output. In another example, the configuration of the output circuit produces a binary output with a number of bits that exceeds the number of sensors. In the latter example, a two-sensor element sensor device provides a four bit binary output with a suitably designed output circuit. Those skilled in the art who have the benefit of this description will be able to select the number of sensor elements and the configuration of an output circuit to meet the needs of their particular situation. In one example, the controller 48 includes a look up table that correlates the binary output numbers from the output circuits 46 with particular building levels. In one example, whenever a door lock is properly locked, the controller 48 receives the corresponding binary output from the corresponding sensor device 40. By determining whether any of the binary output numbers is missing, the controller 48 determines that a particular door lock is unlocked (or at least the corresponding sensor device is not providing an indication that the lock is locked). The disclosed examples include the advantages of avoiding maintenance costs associated with mechanical switches, avoiding easy tampering of lock sensors, providing redundancies to satisfy code requirements and providing location indications to facilitate more efficient troubleshooting or repair. The preceding description is exemplary rather than limiting in nature. Variations and modifications to the disclosed examples may become apparent to those skilled in the art that do not necessarily depart from the scope of legal protection given to this invention as determined by studying the following claims.","lang":"en","source":"EPO_FULLTEXT","data_format":"ORIGINAL"}},"description_lang":["en"],"has_description":true,"has_docdb":true,"has_inpadoc":true,"has_full_text":true,"biblio_lang":"en"},"jurisdiction":"EP","collections":[],"usersTags":[],"lensId":"037-874-144-725-060","publicationKey":"EP_1794077_B1","displayKey":"EP 1794077 B1","docAssets":{"lensId":"037-874-144-725-060","pdfUrl":"https://www.lens.org/images/patent/EP/1794077/B1/EP_1794077_B1.pdf","images":[{"thumb":"https://s3-us-west-2.amazonaws.com/lens-resource/patent/EP/B1/1794/1794077/image/page/10pc/00000001.png","full":"https://s3-us-west-2.amazonaws.com/lens-resource/patent/EP/B1/1794/1794077/image/page/full/00000001.png"},{"thumb":"https://s3-us-west-2.amazonaws.com/lens-resource/patent/EP/B1/1794/1794077/image/page/10pc/00000002.png","full":"https://s3-us-west-2.amazonaws.com/lens-resource/patent/EP/B1/1794/1794077/image/page/full/00000002.png"},{"thumb":"https://s3-us-west-2.amazonaws.com/lens-resource/patent/EP/B1/1794/1794077/image/page/10pc/00000003.png","full":"https://s3-us-west-2.amazonaws.com/lens-resource/patent/EP/B1/1794/1794077/image/page/full/00000003.png"},{"thumb":"https://s3-us-west-2.amazonaws.com/lens-resource/patent/EP/B1/1794/1794077/image/page/10pc/00000004.png","full":"https://s3-us-west-2.amazonaws.com/lens-resource/patent/EP/B1/1794/1794077/image/page/full/00000004.png"},{"thumb":"https://s3-us-west-2.amazonaws.com/lens-resource/patent/EP/B1/1794/1794077/image/page/10pc/00000005.png","full":"https://s3-us-west-2.amazonaws.com/lens-resource/patent/EP/B1/1794/1794077/image/page/full/00000005.png"},{"thumb":"https://s3-us-west-2.amazonaws.com/lens-resource/patent/EP/B1/1794/1794077/image/page/10pc/00000006.png","full":"https://s3-us-west-2.amazonaws.com/lens-resource/patent/EP/B1/1794/1794077/image/page/full/00000006.png"},{"thumb":"https://s3-us-west-2.amazonaws.com/lens-resource/patent/EP/B1/1794/1794077/image/page/10pc/00000007.png","full":"https://s3-us-west-2.amazonaws.com/lens-resource/patent/EP/B1/1794/1794077/image/page/full/00000007.png"},{"thumb":"https://s3-us-west-2.amazonaws.com/lens-resource/patent/EP/B1/1794/1794077/image/page/10pc/00000008.png","full":"https://s3-us-west-2.amazonaws.com/lens-resource/patent/EP/B1/1794/1794077/image/page/full/00000008.png"},{"thumb":"https://s3-us-west-2.amazonaws.com/lens-resource/patent/EP/B1/1794/1794077/image/page/10pc/00000009.png","full":"https://s3-us-west-2.amazonaws.com/lens-resource/patent/EP/B1/1794/1794077/image/page/full/00000009.png"},{"thumb":"https://s3-us-west-2.amazonaws.com/lens-resource/patent/EP/B1/1794/1794077/image/page/10pc/00000010.png","full":"https://s3-us-west-2.amazonaws.com/lens-resource/patent/EP/B1/1794/1794077/image/page/full/00000010.png"}],"fallover":false},"countryName":"EUROPEAN PATENT OFFICE","inventorModel":{"inventors":[{"name":{"value":"LELIC MUHIDIN A","valueNormalised":"Lelic Muhidin A"},"inventorship":null},{"name":{"value":"PENG PEI-YUAN","valueNormalised":"Peng Pei-yuan"},"inventorship":null},{"name":{"value":"SIEWERT BRYAN ROBERT","valueNormalised":"Siewert Bryan Robert"},"inventorship":null},{"name":{"value":"GIERAS JACEK F","valueNormalised":"Gieras Jacek F"},"inventorship":null},{"name":{"value":"TRACEY MICHAEL","valueNormalised":"Tracey Michael"},"inventorship":null},{"name":{"value":"MALONE THOMAS","valueNormalised":"Malone Thomas"},"inventorship":null}],"inventorships":[],"unmatchedInventorships":[],"activeUserHasInventorship":false},"simpleFamilyId":189983658,"citesPatentCount":8,"countrySpec":{"countryName":"EUROPEAN PATENT OFFICE","description":"PATENT SPECIFICATION","rule":"","docType":"GRANTED_PATENT"},"pageTitle":"EP 1794077 B1 - Elevator Door Lock Sensor Device","documentTitle":"Elevator Door Lock Sensor Device"},"claims":{"source":"xml_claims","claims":[{"lines":["A sensor device (40) for determining a condition of an elevator door lock (30), comprising:
a plurality of proximity sensor elements (42, 44) arranged in a selected geometric pattern and mountable on a portion of a single elevator door lock (30); and
a plurality of activating elements (52, 54) mountable on another portion of the single elevator door lock (30) and arranged in a corresponding geometric pattern so that each of the activating elements (52, 54) interacts with a corresponding one of the sensor elements (42, 44) when the activating elements (52, 54) are positioned relative to the sensor elements (42, 44) in a manner corresponding to a locked condition of the elevator door lock (30);characterised in that:
a first one of the sensor elements (42, 44) is responsive to magnetic north and a second one of the sensor elements (42, 44) is responsive to magnetic south."],"number":1,"annotation":false,"claim":true,"title":false},{"lines":["The device of claim 1, wherein the sensor elements (42, 44) comprises Hall effect sensor elements."],"number":2,"annotation":false,"claim":true,"title":false},{"lines":["The device of claim 2, wherein the activating elements (52, 54) comprises magnets."],"number":3,"annotation":false,"claim":true,"title":false},{"lines":["The device of claim 1, including a controller (48) that determines whetner every activating element (52, 54) is interacting with the corresponding sensor element (42, 44)."],"number":4,"annotation":false,"claim":true,"title":false},{"lines":["The device of claim 4, wherein the controller (48) determines that the elevator door lock (30) is in an unlocked condition whenever at least one of the activating elements (52, 54) is not interacting with the corresponding sensor element (42, 44)."],"number":5,"annotation":false,"claim":true,"title":false},{"lines":["The device of claim 1, wherein the sensor elements (42, 44) each provide a voltage responsive to interaction with a corresponding one of the activating elements (52, 54) and wherein the voltages provide an indication of the condition of the elevator door lock (30)."],"number":6,"annotation":false,"claim":true,"title":false},{"lines":["The device of claim 1, including an output circuit (46) that provides an indication that the elevator door lock (30) is in the locked condition only when every sensor element (42, 44) is affected by the corresponding activating element (52, 54)."],"number":7,"annotation":false,"claim":true,"title":false},{"lines":["The device of claim 1, including an output drcuit (46) that provides an indication of a location of the device (40)."],"number":8,"annotation":false,"claim":true,"title":false},{"lines":["The device of claim 8, wherein the output circuit (46) provides a binary output indicative of the location."],"number":9,"annotation":false,"claim":true,"title":false},{"lines":["An elevator door lock assembly, comprising:
the sensor device (40) of any preceding claim;
a locking member (32) of a single elevator door lock (30);
a lock receiver (38) of the single elevator door lock (30) that receives at least a portion of the locking member (32) for selectively locking an elevator door (22) in a closed position;
wherein the plurality of proximity sensor elements (42, 44) are supported on one of the locking member (32) or the lock receiver (38); and
wherein the plurality of activating elements (52, 54) are supported on the other of the lock receiver (38) or the locking member (32) so that each of the activating elements (52, 54) interacts with a corresponding one of the sensor elements (42, 44) when the lock receiver receives at least the portion of the locking member (32)."],"number":10,"annotation":false,"claim":true,"title":false},{"lines":["The assembly of claim 10, including an output circuit (46) that provides an indication of a building level location of the sensor elements (42, 44)."],"number":11,"annotation":false,"claim":true,"title":false},{"lines":["The sensor device (40) of claim 1, including an output circuit responsive to the sensor elements (42, 44) that provides an output indicative of whether the lock (30) is in a locked condition and indicative of a building level location of the device (40)."],"number":12,"annotation":false,"claim":true,"title":false},{"lines":["The device of claim 12, including at least one proximity sensor element (42, 44) and a corresponding output circuit (46) located at each one of a plurality of different building levels and a controller (48) that receives the indications from the output circuits (46) and determines whether an elevator door lock (30) at each of the building levels is in a locked condition."],"number":13,"annotation":false,"claim":true,"title":false}]}},"filters":{"npl":[],"notNpl":[],"applicant":[],"notApplicant":[],"inventor":[],"notInventor":[],"owner":[],"notOwner":[],"tags":[],"dates":[],"types":[],"notTypes":[],"j":[],"notJ":[],"fj":[],"notFj":[],"classIpcr":[],"notClassIpcr":[],"classNat":[],"notClassNat":[],"classCpc":[],"notClassCpc":[],"so":[],"notSo":[],"sat":[]},"sequenceFilters":{"s":"SEQIDNO","d":"ASCENDING","p":0,"n":10,"sp":[],"si":[],"len":[],"t":[],"loc":[]}}