EP1395725B1 - Vorrichtung zur anzeige des schliesszustandes eines schlosses - Google Patents
Vorrichtung zur anzeige des schliesszustandes eines schlosses Download PDFInfo
- Publication number
- EP1395725B1 EP1395725B1 EP02750988A EP02750988A EP1395725B1 EP 1395725 B1 EP1395725 B1 EP 1395725B1 EP 02750988 A EP02750988 A EP 02750988A EP 02750988 A EP02750988 A EP 02750988A EP 1395725 B1 EP1395725 B1 EP 1395725B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- lock
- evaluation unit
- key
- hollow body
- closing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H29/00—Switches having at least one liquid contact
- H01H29/20—Switches having at least one liquid contact operated by tilting contact-liquid container
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B19/00—Keys; Accessories therefor
- E05B19/22—Keys with devices for indicating whether the last operation was locking or unlocking
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S70/00—Locks
- Y10S70/59—Lock with indicator
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T70/00—Locks
- Y10T70/70—Operating mechanism
- Y10T70/7441—Key
- Y10T70/778—Operating elements
- Y10T70/7791—Keys
- Y10T70/7876—Bow or head
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T70/00—Locks
- Y10T70/80—Parts, attachments, accessories and adjuncts
- Y10T70/8027—Condition indicators
Definitions
- the invention relates to a display device for checking the closed state a lock according to the preamble of claim 1.
- a display device for checking the closed state a lock according to the preamble of claim 1.
- Such a device is out DE 4 327 294 A1.
- DE 43 27 294 A1 describes a device for displaying the closed state a key lock attached to the key body of a key.
- the Display device is activated by inserting the key into the lock and shows after closing and removing the key the closing state of Castle on.
- the determination of the closed state is carried out by a Electronic evaluation unit with one or more rotary encoders connected is.
- the direction of rotation encoders include a drop channel with arranged therein electrical contacts through a ball also arranged in the fall channel or an electrically conductive liquid according to the position of the key head in Gravity field of the earth closed and opened.
- the evaluation unit determines from the signals associated with the opening and closing of the electrical contacts a value for the closed state of the lock, which then an optical or acoustic display unit is supplied.
- the device described has the Problem on that the contacts through the liquid, or the balls often do not work be reliably closed, or that it by sloshing the liquid, or a jumping of the balls comes to a multiple closure of the same contact, which can lead to errors in the display.
- the device requires an activation device, which when plugging the Key in the lock usually needs to be mechanically operated to the Reset evaluation unit. This results in addition to the risk that the Activation device dirty and unintentionally in your pocket accidentally triggers the problem that the device is usually personalized the particular construction of a lock must be adapted.
- From DE 32 07 998 A1 is a key with a storing display device for indicating the closed state of a door known, which is a direction of rotation having, consisting of two at right angles to each other arranged cylindrical Tube exists, which partially filled with an electrically conductive liquid are and at their ends in each case have two electrical contacts, which at a Turning of the key in the lock by the liquid alternately conducting be bridged.
- the switching states of the contacts become an evaluation unit fed, which determines the closed state of the lock.
- the tubes are arranged on the key in such a way that after plugging in the Key in the lock with the horizontal angle of 45 °, so that lying below the horizontal contacts to produce a well defined switching state of the liquid to be bypassed conductive.
- the Device has the disadvantage that due to the 45 ° arrangement of the tube a Closing process is only displayed when the key is more than 45 ° in the Castle was turned. In addition, there is a risk that at a fast Closing a sloshing of the liquid in the tube to one inadvertently closing a contact and causing it to malfunction.
- the device requires in the same way as the device after DE 43 27 294 A1 discloses a mechanical activation device when plugging the key must be pressed into the lock to the evaluation unit reset or activate.
- DE 34 07 033 A1 is a key with storing display device described which caused by the closing process in the castle Counterforce is controlled.
- the key has a shaft part, which with the Handle part of the key is rotatably connected via a pin.
- pin arrangements is the handle on the pin axially and radially according to the direction of rotation lockable.
- the object of the invention is to achieve a device, by the closed state of a key lock anywhere and to reliable and easy to determine at any time.
- a device for indicating the closed state of a Lock mounted on the key housing which preferably already at the production of the key is connected to the main body of the key, and in particular for advertising purposes may be provided with imprints.
- a direction indicator is arranged, which is a complete closed hollow body, which with a first electrically conductive Liquid filled and on its inside with several spaced apart arranged contacts is provided, which via electrical connection lines with an electronic evaluation unit are connected.
- the hollow body In addition to the first electric conductive liquid is the hollow body with a second, electrically non-conductive or at least less well-conducting liquid filled with the first liquid is immiscible, or this repels.
- the liquids may e.g. Oil and water, (distilled) water and mercury, or any other known liquids with be different specific conductivities, the first conductive liquid preferably a lower density than the second less well conductive or not having conductive liquid.
- the bridged by the conductive liquid contacts are for simplicity hereinafter referred to as closed, and by the second, non-conductive or Bad conductive liquid bridged contacts are referred to as open, although, strictly speaking, only changes in the electrical Resistance between two contacts acts. If following from contacts the Speech is, so are actually referred to pairs of contacts, each according to the size of the direction indicator at a distance of e.g. 2 to 5 mm are arranged within the peripheral surface of the hollow body. In the same way However, it is also possible that the pairs of contacts by the conductive liquid be bridged by a contact in the region of the side wall of the hollow body and another contact in the region of the inner peripheral surface of the hollow body be formed.
- the device according to the invention has the advantage that in a corresponding Alignment of the hollow body in the housing and with respect to the axis of rotation of the key in the lock a reliable indication of the closed state is possible without that an activation device, the insertion of the key in the lock the Evaluation unit activated, or reset, is mandatory.
- the hollow body is adapted in shape to the respective type of lock, e.g. whether the lock closes left or right and / or whether the lock a complete turn or just a turn of the key of few Degrees, e.g. 10 degrees required to be opened or closed.
- the hollow body has the Shape of a prism with two substantially parallel to each other Base surfaces, wherein the base surfaces preferably substantially perpendicular to Rotary axis of the key are arranged in the lock.
- a further improvement of the precision and insensitivity of the Device arises in particular in connection with the prism-shaped Embodiment of the hollow body and a corresponding arrangement of the contacts within the hollow body when the amount of light electrically conductive first Liquid less than the amount of heavier electrically non-conductive second Liquid is selected.
- the hollow body may e.g. a substantially cylindrical cross-sectional shape possess, wherein the cylinder longitudinal axis in the direction of the axis of rotation, or in Essentially parallel to the axis of rotation of the key in the lock points.
- the hollow body is the cross-sectional shape a rosette, or one of a plurality of partial arcs, e.g. four or more Circular arcs, having a composite ring-like structure, wherein the contacts preferably arranged at a distance from the intersections of the circular arcs.
- the two contacts in this embodiment are the Invention not bridged by the first liquid, which is the evaluation device is considered as an unsuccessful closing process.
- the circumferential inner wall of the hollow body a radially outwardly arched or V-shaped tapered cross-sectional shape has, in the periphery of which the contacts are arranged in such a way that the lighter electrically conductive first liquid bridges the contacts only when the key is in the horizontal. This allows the reliability, with which distinguished a closing operation from a random bridging of the contacts can be further increased, since the key to a complete Rotation in the lock - unlike in your pocket - always in the horizontal.
- the hollow body has a kidney or heart-shaped cross-section, which in particular in locks, such as e.g. Auto locks, in which the closing or Aufschrudvorgang by a Key turn of a few degrees, e.g. 45 degrees, a likewise reliable Display of the closed state is ensured.
- locks such as e.g. Auto locks, in which the closing or Aufschrudvorgang by a Key turn of a few degrees, e.g. 45 degrees, a likewise reliable Display of the closed state is ensured.
- the hollow body is formed spherical, or another, the respective lock adapted form having.
- an activation switch e.g. operated with the thumb or with thumb and forefinger can be to the evaluation unit before an imminent closing in the Activate case of need.
- the evaluation unit in the way is connected, that after actuation of the activation switch for preferably a short period a change of the closing state of the castle of the Evaluation unit is considered as likely only if subsequently within a predetermined period of time, e.g. 1 to 5 seconds one characteristic of a closing process or Aufsch towervorgang contact sequence is detected.
- a predetermined period of time e.g. 1 to 5 seconds one characteristic of a closing process or Aufsch towervorgang contact sequence is detected.
- the new closed state of the castle the from the evaluation unit e.g. by comparing the new contact sequence with one in one Memory of the processing unit deposited contact sequence is determined, stored and acoustically and / or optically output.
- the activation switch simultaneously to Programming the evaluation unit is used.
- Such a change of Closing direction of a lock which is an individual adaptation of device according to the invention allowed on different locks, can in Connection thereto e.g. also be displayed in an optical or acoustic manner.
- the Evaluation unit preferably provided with a timer or timer, with the Evaluation unit is connected or included in this, and after a successful completed closing process generates a time signal, which the evaluation unit is supplied.
- the evaluation unit can from the signal of the timer the Determine closing time, and this desired case a display for display on which the user of the device according to the invention at any time can read the time of the last closing process.
- the Timers can also be used to determine the current time, the can also be shown on the display.
- the timer can be the simplest case be formed by a digital clock.
- the display which is preferably a known LCD display, can also for Display of the current closed state of the castle are used, with a Switching between the various types of display, e.g. also by a preferably several times pressing the activation switch within a certain period. In the same way, the Activation switch used to turn on illumination of the display become.
- the output of the closed state or even the Carrying out a closing operation by an acoustic signal transmitter the at an electrically conductive connection between two adjacent contacts of Direction indicator generates an acoustic signal.
- the at an electrically conductive connection between two adjacent contacts of Direction indicator generates an acoustic signal.
- the acoustic Signals during the closing process serve primarily to the user Functionality of the device and the proper detection of a Closing process by the display device according to the invention acoustically confirm, thereby monitoring an operation in the dark and also a unintentional operation of the device in the trouser pocket noticed by the user and for example via the activation switch or another Actuator switch can be undone.
- the Possibility after a closing operation by pressing the activation switch the instantaneous closing state by a flashing LED - e.g. a red one Diode for an open lock and a green diode for a locked lock - indicate, in a particularly advantageous manner, the time of Closing additionally displayed simultaneously.
- a flashing LED - e.g. a red one Diode for an open lock and a green diode for a locked lock - indicate, in a particularly advantageous manner, the time of Closing additionally displayed simultaneously.
- the hollow body is in accordance with a particularly advantageous in aesthetic terms Embodiment of the invention arranged visible from the outside in the housing, which can be made of transparent plastic. This opens up for the viewer, on the one hand, a further possibility of checking the function of the On the other hand, the interest of external viewers is on directed the device according to the invention, which in particular when using the Device as an advertising medium, in which the advertising is e.g. on the back of the Housing may be applied, is advantageous.
- the power supply of the Display device by a battery and / or an accumulator, but can alternatively or supportively done by solar panels.
- the evaluation unit is through realized a digital and / or analog microchip circuit, their function and States programmable and in a preferably erasable and rewritable Memory are stored.
- the device 1 according to the invention shown in Fig. 1 for displaying the closed state a key lock, not shown, includes a on a key body 2 arranged housing 4, in which an evaluation unit 6 in the form of a electronic circuit is arranged on a circuit board 5.
- the evaluation unit 6 with one in the same way within the housing 4 arranged according to the invention direction of rotation transmitter 8, an externally readable Display 10 for displaying the closing state and / or the closing time and / or the time, an activatable from the outside activation switch 12 for Activation of the evaluation unit 6, or to switch between different Display forms of the display 10, a timer or timer 13 and a power source 14 connected in the form of a battery.
- the Housing 4 within the Housing 4 also two readable from the outside LEDs 16 and 18 are arranged be, the respective closing state after pressing the activation switch 12 as e.g. red light signal R for an opened lock or as a green light signal G show for a locked lock.
- the direction of rotation sensor 8 comprises a in Substantially perpendicular to the direction indicated in Fig. 1 axis of rotation 22 of the key in Lock arranged closed hollow body 24, in the area of its inner wall 26 is provided with electrical contacts A, B, C, D, E, F, G, H, at a distance arranged side by side, and - as shown in Fig. 6 - with the Evaluation unit 6 are connected.
- first electrically conductive liquid 28 Within the hollow body 24 is a first electrically conductive liquid 28, and a second non-electrically conductive liquid immiscible with the first liquid Liquid 30, which has a higher density than the first liquid 28, and the according to the lower part of the hollow body 24.
- the electrically conductive first liquid has a higher density than having the second electrically non-conductive liquid, then the logic of the Evaluation unit 6 is adjusted accordingly.
- a locking process corresponds to the position of the hollow body 24, and thus the contacts A, B, C, D, E, F, G, H compared to the two fluids 28, 30 changed their position due to the Maintaining gravity substantially.
- This will be when inserting the Bowl into the lock the contacts A and B, and after a rotation of 90 °, 180 ° and 270 ° the contacts G-H; E-F and C-D through the electrically conductive first fluid 28 bridged until the hollow body 26 at the end of the closing process again in the Initial situation is located, in which the Kotakte A-B are bridged again.
- the Evaluation unit recognizes this contact sequence of consecutive Contact conclusions and determines from this the lock state of the castle as "locked off", which then on the display 10, or by lighting up the green LED 18 is displayed.
- the determination of the closed state depending on the direction of rotation can doing this by comparing the detected contact sequence with in a memory 13 (FIG. 6) the evaluation unit 6 stored contact sequences for an up and Locking done, with a further switch, not shown, or by prolonged actuation of the activation switch 12 the one Aufsch Stamm associated contact sequences with a closing process assigned contact sequences can be swapped to between a to switch left-closing and right-closing lock.
- the Inner peripheral surface 26 thereof is composed of arcuate segments to to increase the angular range in which the respective contacts A-B, G-H, E-F, C-D, are bridged by the first liquid 28 conductive.
- the heart or kidney-shaped cross-sectional shape of the hollow body shown in FIG allows an embodiment of the display device 1 according to the invention, which particularly suitable for detecting a closing operation in which the key in the lock only by a predetermined angular amount of e.g. 30 ° clockwise or anticlockwise back and forth. This can be done by a Variation of the angle between the two underlying bulges 34 and 36th with respect to the lying between the contacts A and B reversal point 38 a Adjustment to the angular amount of an existing lock done.
- These Embodiment of the invention is particularly suitable for use in Related to an activation switch before plugging in the key into the respective lock, e.g. a car lock, is pressed by hand.
Landscapes
- Lock And Its Accessories (AREA)
- Push-Button Switches (AREA)
- Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
- Maintenance And Inspection Apparatuses For Elevators (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
- Circuits Of Receivers In General (AREA)
Description
- Fig. 1
- eine Seitenansicht der erfindungsgemäßen Anzeigevorrichtung mit einer schematischen Darstellung der einzelnen Komponenten,
- Fig. 2
- einen Schnitt durch die Anzeigevorrichtung nach Fig. 1 in Höhe des Drehrichtungsgebers mit einem zylindrischen Hohlkörper, bei welcher der Betätigungsschalter und die Batterie sowie der akustische Signalgeber mit eingezeichnet sind,
- Fig. 3a-h
- die Position des Hohlkörpers und der darin enthaltenen Flüssigkeiten bei einer vollständigen Drehung des Schlüsselkopfes während eines Schließvorgangs,
- Fig. 4
- eine weitere Ausführungsform einer erfindungsgemäßen Anzeigevorrichtung mit einem Drehrichtungsgeber, der einen aus mehreren Teilkreisbögen zusammengesetzten Querschnitt aufweist,
- Fig. 5
- eine weitere Ausführungsform einer erfmdungsgemäßen Anzeigevorrichtung mit einem Drehrichtungsgeber, der einen im Wesentlichen nierenförmigen Querschnitt aufweist,
- Fig. 6
- ein Blockschaltbild der Anzeigevorrichtung nach der Erfindung.
Claims (15)
- Vorrichtung (1) zur Anzeige des Schließzustandes eines Schlüssel-Schlosses, mit einem, im Gebrauchszustand, am Schlüssel (2) angebrachten Gehäuse (4) und einem darin aufgenommenen Drehrichtungsgeber (8), der einen mit einer ersten elektrisch leitenden Flüssigkeit (28) gefüllten, elektrisch leitende Kontakte (A, B, C, D, E, F, G, H) aufweisenden Hohlkörper (24) zur Erzeugung von schließrichtungsabhängigen elektrischen Kontaktfolgen umfasst,
sowie mit einer elektronischen Auswerteinheit (6), die aus den elektrischen Kontaktfolgen den Schließzustand des Schlosses bestimmt,
dadurch gekennzeichnet, dass
der Hohlkörper (24) im Wesentlichen vollständig mit der ersten elektrisch leitenden Flüssigkeit (28) sowie mit einer zweiten elektrisch nicht leitenden und die erste Flüssigkeit (28) abstoßenden Flüssigkeit (30) gefüllt ist. - Vorrichtung nach Anspruch 1,
dadurch gekennzeichnet, dass
die erste Flüssigkeit (28) eine geringere Dichte als die zweite Flüssigkeit (30) aufweist. - Vorrichtung nach Anspruch 1,
dadurch gekennzeichnet, dass
der Hohlkörper (24) die Form eines Prismas mit zwei im Wesentlichen parallel zueinander verlaufenden Grundflächen besitzt, wobei die Grundflächen im Wesentlichen senkrecht zur Drehachse (22) des Schlüssels (2) im Schloss angeordnet sind. - Vorrichtung nach Anspruch 1 oder 2,
dadurch gekennzeichnet, dass
der Hohlkörper (24) eine im Wesentlichen zylindrische Querschnittsform besitzt. - Vorrichtung nach Anspruch 1 oder 2,
dadurch gekennzeichnet, dass
der Hohlkörper (24) eine im Wesentlichen aus Teilkreisbögen zusammengesetzte Querschnittsform besitzt. - Vorrichtung nach Anspruch 1 oder 2,
dadurch gekennzeichnet,dass
der Hohlkörper (24) eine im Wesentlichen nierenförmige Querschnittsform aufweist. - Vorrichtung nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, dass
am Gehäuse (4) ein mit der Auswerteinheit (6) verbundener Aktivierungsschalter (12) angeordnet ist. - Vorrichtung nach Anspruch 7,
dadurch gekennzeichnet, dass
eine Betätigung des Aktivierungsschalters (12) mit einer sich daran innerhalb eines vorgegebenen Zeitraums anschließenden, einen Schließvorgang oder einen Abschließvorgang charakterisierenden Kontaktfolge zu einer Aktivierung der Auswerteinheit (6) und Ausgabe des neuen Schließzustandes führt. - Vorrichtung nach Anspruch 7 oder 8,
dadurch gekennzeichnet, dass
eine Umschaltung der Auswerteinheit (6) zwischen einem im Uhrzeigersinn schließenden Schloss sowie einem im Gegenuhrzeigersinn schließenden Schloss über den Aktivierungsschalter (12) erfolgt. - Vorrichtung nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, dass
diese einen mit der Auswerteinheit (6) verbundenen oder in dieser enthaltenen Zeitgeber (13) zur Bestimmung des letzten Schließzeitpunktes umfasst. - Vorrichtung nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, dass
am Gehäuse (4) ein mit der Auswerteeinheit (6) verbundenes Display (10) zur Anzeige des Schließzeitpunktes und /oder des Schließzustandes des Schlosses vorgesehen ist. - Vorrichtung nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, dass
ein akustischer Signalgeber (20) vorgesehen ist, der bei einer elektrisch leitenden Verbindung zwischen zwei benachbarten Kontakten (A-B, G-H, E-F, D-C) des Drehrichtungsgebers (8) ein akustisches Signal erzeugt. - Vorrichtung nach Anspruch 1,
dadurch gekennzeichnet, dass
am Gehäuse (4) eine erste, einen geschlossenen Zustand des Schlosses signalisierende optische Anzeige (18) und/oder eine einen geöffneten Schließzustand des Schlosses signalisierende weitere optische Anzeige (16) vorgesehen sind. - Vorrichtung nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, dass
die Stromquelle (14) der Anzeigevorrichtung (1) durch eine Batterie und/oder einen Akkumulator und/oder Solarzellen gebildet wird. - Vorrichtung nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, dass
die Auswerteinheit (6) durch eine digitale und/oder analoge Mikrochip-Schaltung realisiert wird, deren Funktion und Zustände programmierbar sind.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10126526A DE10126526C1 (de) | 2001-05-30 | 2001-05-30 | Vorrichtung zur Anzeige des Schließzustandes eines Schlosses |
DE10126526 | 2001-05-30 | ||
PCT/EP2002/005911 WO2002097223A1 (de) | 2001-05-30 | 2002-05-29 | Vorrichtung zur anzeige des schliesszustandes eines schlosses |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1395725A1 EP1395725A1 (de) | 2004-03-10 |
EP1395725B1 true EP1395725B1 (de) | 2005-10-19 |
Family
ID=7686772
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP02750988A Expired - Lifetime EP1395725B1 (de) | 2001-05-30 | 2002-05-29 | Vorrichtung zur anzeige des schliesszustandes eines schlosses |
Country Status (7)
Country | Link |
---|---|
US (1) | US6959568B2 (de) |
EP (1) | EP1395725B1 (de) |
CN (1) | CN1289776C (de) |
AT (1) | ATE307257T1 (de) |
DE (2) | DE10126526C1 (de) |
HK (1) | HK1068667A1 (de) |
WO (1) | WO2002097223A1 (de) |
Families Citing this family (21)
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US6886382B1 (en) * | 2004-04-30 | 2005-05-03 | Harold St. Felix | Key with indicator |
EP2113047A2 (de) * | 2004-07-06 | 2009-11-04 | Master Lock Company | Schloss |
US20060107713A1 (en) * | 2004-11-22 | 2006-05-25 | Moshe Kugel | Fluid-operated communication system |
WO2007039898A2 (en) * | 2005-10-02 | 2007-04-12 | Qsens Ltd | Key and adapter for a key |
WO2007148322A2 (en) * | 2006-06-21 | 2007-12-27 | Microdel Ltd. | Locked or unlocked status key indicator system |
AT502682B1 (de) * | 2006-08-07 | 2007-05-15 | Evva Werke | Vorrichtung zur zutrittskontrolle |
SE530564C2 (sv) * | 2006-11-10 | 2008-07-08 | Carlos De La Fe Dahlin | Nyckelminne |
US7866195B2 (en) * | 2007-05-25 | 2011-01-11 | Levine Jonathan E | Door lock indicator |
US8085125B2 (en) * | 2007-09-08 | 2011-12-27 | Nima Bigdely-Shamlo | Method, apparatus, and system for an electronic key usage history indicator |
US20090234503A1 (en) * | 2008-03-12 | 2009-09-17 | Shoel-Lai Chen | Automatic switch device by sensing direction for a handheld apparatus having double-sided keypad arrangement |
US20090293567A1 (en) * | 2008-05-29 | 2009-12-03 | Ki Sheung Yuen | Door lock recording device |
US20100328089A1 (en) * | 2009-06-13 | 2010-12-30 | Joseph Eichenstein | Dead bolt lock reminder using passive receiver |
US20100315233A1 (en) * | 2009-06-13 | 2010-12-16 | Joseph Eichenstein | Dead bolt lock reminder triggered by proximity detector |
JP5153749B2 (ja) * | 2009-10-07 | 2013-02-27 | ケイデン・セキュリティー機器販売株式会社 | キーボックス構造 |
US9057209B2 (en) * | 2011-10-28 | 2015-06-16 | Joseph Eichenstein | Low-cost door key with switch sensor indicator to detect dead bolt lock status |
CN105442949B (zh) * | 2014-08-26 | 2017-07-07 | 宿迁泽达职业技术学院 | 基于磁致变色原理的记忆型锁匙 |
KR101834337B1 (ko) * | 2015-06-15 | 2018-03-05 | 김범수 | 이중 인증 기반의 전자 키 및 전자식 잠금장치 |
CN105735760B (zh) * | 2016-02-26 | 2018-10-19 | 移康智能科技(上海)股份有限公司 | 一种智能钥匙套、智能钥匙组件及上锁提示方法 |
PL236117B1 (pl) * | 2018-06-22 | 2020-12-14 | Locky Spolka Z Ograniczona Odpowiedzialnoscia | Sposób wykrywania zmiany stanu zamknięcia zamka oraz urządzenie do wykrywania zmiany stanu zamknięcia zamka |
CN108894609A (zh) * | 2018-07-03 | 2018-11-27 | 成都明图通科技有限公司 | 开关锁的记录方法、装置及钥匙 |
JP3221283U (ja) * | 2019-02-26 | 2019-05-16 | オムロン株式会社 | 鍵付属品 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3207998A1 (de) * | 1982-03-05 | 1983-09-08 | Jost 7801 Vörstetten Hoener | Schluessel |
DE3407033A1 (de) * | 1983-05-25 | 1984-11-29 | Jost 7801 Vörstetten Hoener | Schluessel |
IL84520A (en) * | 1987-11-18 | 1992-01-15 | Shlomo Blumberg | Reminder apparatus |
US4908605A (en) * | 1988-03-15 | 1990-03-13 | Hiroshi Hasegawa | Device for confirming whether a lock is locked or unlocked |
DE4327294C2 (de) * | 1993-01-05 | 1996-04-18 | Wolf Kesselhut | Anzeigevorrichtung zur Überprüfung des Schließzustandes eines Schlosses |
DE19654443A1 (de) * | 1996-12-31 | 1998-07-02 | Vos Verkehrs Optimierungs Syst | Verfahren und Vorrichtung zur Schließkontrolle von Schlössern |
-
2001
- 2001-05-30 DE DE10126526A patent/DE10126526C1/de not_active Expired - Fee Related
-
2002
- 2002-05-29 DE DE50204610T patent/DE50204610D1/de not_active Expired - Lifetime
- 2002-05-29 AT AT02750988T patent/ATE307257T1/de not_active IP Right Cessation
- 2002-05-29 EP EP02750988A patent/EP1395725B1/de not_active Expired - Lifetime
- 2002-05-29 WO PCT/EP2002/005911 patent/WO2002097223A1/de not_active Application Discontinuation
- 2002-05-29 CN CN02811038.2A patent/CN1289776C/zh not_active Expired - Fee Related
-
2003
- 2003-11-21 US US10/718,778 patent/US6959568B2/en not_active Expired - Fee Related
-
2005
- 2005-02-04 HK HK05100937A patent/HK1068667A1/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
US6959568B2 (en) | 2005-11-01 |
WO2002097223A1 (de) | 2002-12-05 |
HK1068667A1 (en) | 2005-04-29 |
DE50204610D1 (de) | 2006-03-02 |
DE10126526C1 (de) | 2003-01-30 |
CN1524153A (zh) | 2004-08-25 |
ATE307257T1 (de) | 2005-11-15 |
US20040103702A1 (en) | 2004-06-03 |
CN1289776C (zh) | 2006-12-13 |
EP1395725A1 (de) | 2004-03-10 |
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