EP0709534B1 - Schloss mit Identträger-Aktivierung - Google Patents
Schloss mit Identträger-Aktivierung Download PDFInfo
- Publication number
- EP0709534B1 EP0709534B1 EP95116769A EP95116769A EP0709534B1 EP 0709534 B1 EP0709534 B1 EP 0709534B1 EP 95116769 A EP95116769 A EP 95116769A EP 95116769 A EP95116769 A EP 95116769A EP 0709534 B1 EP0709534 B1 EP 0709534B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- lock
- test circuit
- code
- door
- lock according
- 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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- 238000010168 coupling process Methods 0.000 claims abstract description 13
- 238000005859 coupling reaction Methods 0.000 claims abstract description 13
- 238000012360 testing method Methods 0.000 claims description 24
- 230000007935 neutral effect Effects 0.000 claims description 8
- 238000013475 authorization Methods 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 2
- 230000003213 activating effect Effects 0.000 claims description 2
- 239000011889 copper foil Substances 0.000 claims description 2
- 229910000859 α-Fe Inorganic materials 0.000 claims description 2
- 238000004891 communication Methods 0.000 abstract description 2
- 230000006870 function Effects 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000004913 activation Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
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- 238000013270 controlled release Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
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- 238000002297 emergency surgery Methods 0.000 description 1
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- 210000001061 forehead Anatomy 0.000 description 1
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- 230000005693 optoelectronics Effects 0.000 description 1
- 230000033764 rhythmic process Effects 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
- E05B47/06—Controlling mechanically-operated bolts by electro-magnetically-operated detents
- E05B47/0676—Controlling mechanically-operated bolts by electro-magnetically-operated detents by disconnecting the handle
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C9/00—Individual registration on entry or exit
- G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
- G07C2009/00753—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated by active electrical keys
- G07C2009/00769—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated by active electrical keys with data transmission performed by wireless means
- G07C2009/00793—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated by active electrical keys with data transmission performed by wireless means by Hertzian waves
Definitions
- the invention relates to a lock according to the preamble of Claim 1.
- Such a lock is known from US-A-5 027 629 with an integrated reader, in one Code number card must be introduced to be electromagnetic in the case of authorization Coupling to the control element for the manual opening of a special locking element to activate, which is functionally a combination of bars and acts in the case of a normal door.
- a code card physically temporarily in a reader slot on the door fitting need to be inserted so that the door can then be opened manually.
- Publication does not appear, such as the coding of the lock, for example with regard to multiple authorizations could be done.
- Another lock with identification carrier activation is from WO-A-91/16517 for hotel doors known in which one arranged towards the interior of the room Function selector can be specified whether the The case of the door lock also from the outer handle (knob or latch) can be withdrawn from the frame; or whether for this from the outside used a key in a conventional manner must be, which is necessary there anyway in order (at not only slammed but locked door) too withdraw the bolt from the striking plate of the frame.
- the conventional key operation is always required, regardless of whether the function selection is on connect or disconnect the outer actuation handle regarding the trap is set.
- the trap can only be released via the bolt and not via one conventional lock-cylinder combination operated, but via one assigned to the bolt on the outside of the door Handle, but only with the bolt (for Locking or unlocking movements) in operative connection stands when an electromechanical built into the door Coupling via the outer handle an active connection to releases inner handle or directly to the bolt.
- This release then speaks and only then by lifting one Lock or engage a clutch when one in the reader or one installed at the door from the outside Code that records with a stored code in predetermined way agrees.
- the external code feed usually takes place from one to one Radio frequency field queried identifier, which the authorized person in a pocket, for example carries and typically on at least one Has approached the castle in question:
- the clutch takes effect, and the The person can use the latch and the outside handle Lead the trap back, i.e. open the door - or the bolt drive out into the striking plate when the latch is snapped in, so lock the door. From the inside, as mentioned, for these manipulations not the presence of one appropriately coded identifier, because the handle and knob inside always be in active connection with the latch or bolt; because it can be assumed that within the to be secured Only authorized persons are in the room.
- a lock that is initially neutral on the production side is closed by individualized the information it received from the master carrier query, which is like in the case of the identifier a high-frequency transponder.
- Any lock can only be assigned to a single master carrier, and each Master carrier differs in its data set from all other masters. That from a master carrier Information readable into the lock consists of a only awarded once during the production of the master carrier, deterministically generated and therefore known Identifying information, also given only once but customization code generated randomly during production, also known and z.
- B. on the master carrier is indicated visually, as well as from another randomly generated but unknown during production Control code for cryptographic information encryption to the identity code. Every identity holder too becomes a unique occurrence in production Identifying information deterministic (e.g. simply in continuous Count) that is known. By assignment the identity holder experiences a master carrier cryptographic modification of a control code.
- the identifier storage content cannot be read Simulate unauthorized persons so that no other identifiers can be created are as part of the individual master carrier-lock assignment. That represents an extraordinary Increase in security against manipulation simple and reproducible after listening Data transmission.
- the (including that Lock cylinder) is in the present invention replaced by internal and fixed on the door leaf 12 external handling 16.1 / 16.2 in the form of pushers or how represented by rotary knobs. Their manual operation acts on a linkage 17 for pushing out or pulling in of the bolt 15 in or out of the striking plate Door frame, as usual with withdrawal of the latch 14 Pushing back action on the bolt 15.
- the linkage 17 is in the illustrated embodiment between the handles 16 divided in the sense that only those to be protected Space out, i.e.
- inside handle 16.2 always over the Linkage 17.2 is in operative connection with the bolt 15; while the one that can be operated from outside the space to be protected Handle 16.1 only in operative connection with the bolt 15 can be brought by the outer linkage 17.1 over a Electromagnetically actuated clutch 18 to the inside Linkage 17.2 or the bolt is connected directly.
- an undivided linkage optionally to block or to release for actuation.
- the remote-controlled release is used electromechanical transducer 19, the z. B. an engaging element 21 is ready to connect. That can be done with neutral position of the outer handle 16.1 and of your boom 17.1 for a torsionally rigid connection from the outer handle 16.2 to latch 15, z. B.
- This authorization must therefore be provided by a mobile small (approx Identifier 25 having a button or card shape that the person concerned is about to reverse infected or sunk in his pocket. Its construction and communication with one in the test circuit 24 contained reader 26 is approximately in the EP-OS 468 394 for a preferred circuit implementation described in more detail. Then the reader 26 radiofrequency energy radiated via a coil antenna 27 in the transponder circuit of the identifier 25 after Requirement of a stored digital identification information modulated and reflected back. If the modulation one corresponds to the approval code 29 stored in the memory 28, what is checked by a microprocessor 30 then a driver circuit 31 for outputting the enable signal 23 for z. B. activated the clutch function and the person standing outside the door with this identifier 25 can the latch 15 together with the outer handle 16.1 Pull latch 14 out of the striking plate, i.e. the door to open.
- the query antenna needs 27 only from the outside of the door leaf to be responsive. There it is under an aperture 32.1 made of electrically non or little shielding material, especially a commercially available plastic cover covered or integrated in it (edged or poured).
- an aperture 32.1 made of electrically non or little shielding material, especially a commercially available plastic cover covered or integrated in it (edged or poured).
- the Antenna lines 36 pass through the door leaf 12 in one Channel 37 and are on the inside of the door leaf 12 the reader 26 connected in the test circuit 24, the in turn arranged in or under the inner panel 32.2 is.
- the inner aperture 32.2 also takes one replaceable battery 38 for operating the test circuit 24 including drivers 31 for power consumers like the clutch converter 19.
- a service adapter 40 be made accessible.
- the interface then becomes a for an emergency opening function external energy source and a service control unit (e.g. in the form of a locksmith laptop) connected to the To control clutch 18 externally and then the door by means of outer handle 16.1 to be able to open.
- a service control unit e.g. in the form of a locksmith laptop
- the coupling 18 via the service adapter 40 must, however an individualizing the master carrier 41 of this test circuit 24 Identification information to be known and external, that is, from the service operator panel to a specific data format implemented, entered into the microprocessor 30.
- This master information is in itself only the rightful before, and she should be a key operator for emergency surgery only communicated via the service adapter 40 if necessary become.
- this release switch built into the door leaf 12 42 by means of the outer handle 16.1 (about one mechanical switching knobs or a swivel magnet) press and thus through the cable channel 37 to Microprocessor 30 in the test circuit 24 to connect.
- an acoustic signal generator 43 and / or an optoelectronic Signal generator 44 can be controlled briefly.
- this code lock 13 that is the one just saved To assign code 29, the identifier 25 in Presence of the master carrier 41 when the release switch is actuated 42 brought into the effective range of the antenna 27.
- the test circuit 24 this lock stored code 29 in the identifier 25 transmitted over the radio frequency field of the antenna 27.
- the signal generator 43, 44 After reading code 29 from memory 28 becomes one the signal generator 43, 44 in a significant manner (e.g. twice) controlled, and the operation of the switch 42 can be canceled again (until another identifier 25 in the same way this lock 13 should be assigned).
- the master carrier must also be deleted 41, a lock test circuit 24 and its identifier 25 is assigned, again in addition to this identifier 25 be in the detection range of the antenna 27, during the Enable switch 42 defined (now about a defined Minimum time period and / or in a certain Rhythm) is operated.
- This causes the microprocessor 30, via the antenna 27 the memory in the additionally present and identification carrier 25 assigned to this master carrier 41 to delete it without losing the content of the code memory 28 To influence castle 13.
Description
- Fig. 1
- in schematischer Darstellung ein Türblatt gegen seine mit einem Einsteckschloß ausgestattete Stirnfläche und mit einer elektronischen Identfernsteuereinrichtung zum mechanischen Freigeben der Ankopplung einer externen Betätigungshandhabe an den Türschloß-Riegel, sowie
- Fig. 2
- im Blockschaltbild die auf das Türblatt nach Fig. 1 applizierte Identfernsteuereinrichtung.
Claims (10)
- Schloß (13) mit elektromechanischer Kupplung (18) in der Wirkverbindung (17) einer äußeren Hanthabe (16.1) und mit einer in der Nähe installierten Prüfschaltung (24) zum Aktivieren der Kupplung (18) in Gegenwart eines Identträgers, dessen Identcode (29) in vorgegebener Relation zu einem in der Prüfschaltung (24) abgespeicherten Berechtigungs-code steht,
dadurch gekennzeichnet,
daß an die Prüfschaltung (24) eine Antenne (27) zur Kommunikation mit externen Nicht-stationären Transpondern angeschlossen ist, wobei von einem Transponder als Masterträger (41) Informationen in die noch neutral-inhaltslose Prüfschaltung (24) und in seiner Gegenwart ein verschlüsselter Identcode (29) von der Prüfschaltung (24) auf einen anderen Transponder als Identträger (25) übertragbar sind. - Schloß nach Anspruch 1,
dadurch gekennzeichnet,
daß es mit einem versteckten Freigabeschalter (42) ausgestattet ist, der in Abhängigkeit von der Anwesenheit des Masterträgers (41) zu betätigen ist, wenn das Schloß (13) diesem Masterträger (41) zuzuordnen oder wenn ein Identträger (25) danach diesem Schloß (13) zuzuordnen oder wenn eine solche Zuordnung wieder zu löschen ist. - Schloß nach Anspruch 2,
dadurch gekennzeichnet,
daß der Freigabeschalter (42) durch Betätigen der äußeren Handhabe (16 1) manuell aktivierbar ist. - Schloß nach einem der vorangehenden Ansprüche,
dadurch gekennzeichnet,
daß als Antenne (27) eine flache Zylinder-Spule (33) auf einer, gegenüberliegend mit einer Kupferfolie (35) kaschierten, Ferritplatte (34) mit dazu orthogonal orientierter Spulenachse aufliegt. - Schloß nach einem der vorangehenden Ansprüche,
dadurch gekennzeichnet,
daß die Prüfschaltung (24) mit einem Code-Speicher (28) und mit einer Treiberschaltung (31) für den Betrieb der Kupplung (18) unter einer Blende (32.2) auf der zum Rauminneren der Tür gelegenen Seite verbunden ist. - Schloß nach einem der vorangehenden Ansprüche,
dadurch gekennzeichnet,
daß der neutral-inhaltslose Erstmontage-Zustand der Prüfschaltung (24) von den Informationen nur eines einzigen Masterträgers (41) speisbar ist, die außer einer deterministischen Identinformation einen zufällig vergebenen aber bekannten Individualisierungscode und einen ebenfalls zufällig vergebenen aber unbekannten Kontrollcode für eine kryptographische Verschlüsselung bei der Übertragung des Identcodes (29) aus der Prüfschaltung (24) auf einen in den Auffaßbereich ihrer Antenne (27) verbrachten Identträger (25) enthalten. - Schloß nach einem der vorangehenden Ansprüche,
dadurch gekennzeichnet,
daß unter einer Blende (32.1) auf der Raumaußenseite der Tür ein nicht ohne weiteres zugänglicher Service-Adapter (40) zum Einspeisen von Betriebsenergie und/oder von Funktionsinformationen aus einem Service-Bediengerät in die Prüfschaltung (24) vorgesehen ist. - Schloß nach einem der vorangehenden Ansprüche,
dadurch gekennzeichnet,
daß unter einer Blende (32.2) die zur Rauminnenseite der Tür gelegen ist, eine Batterie (38) für den Betrieb der Prüfschaltung (24) und der Kupplung (18) austauschbar angeordnet ist. - Schloß nach einem der vorangehenden Ansprüche,
dadurch gekennzeichnet,
daß ein mit der äußeren Handhabe (16.1) drehstarr verbundenes äußeres Gestänge (17.1) mittels eines federbelasteten Eingriffselementes (21) über ein drehstarr mit der inneren Handhabe (26.2) verbundenes inneres Gestänge (17.2) in Wirkverbindung zum Riegel (15) der Tür versetzbar ist. - Schloß nach einem der vorangehenden Ansprüche,
dadurch gekennzeichnet,
daß ein Service-Adapter (40) in der äußeren Blende (32.1) hinter einer Sollbruchstelle (39) zugänglich und nur mit der in die Prüfschaltung (24) geladenen Identinformation des diesem Schloß zugeordneten Masterträgers betreibbar ist.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4438832A DE4438832A1 (de) | 1994-10-31 | 1994-10-31 | Schloß mit Identträger-Aktivierung |
DE4438832 | 1994-10-31 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0709534A1 EP0709534A1 (de) | 1996-05-01 |
EP0709534B1 true EP0709534B1 (de) | 1999-01-13 |
Family
ID=6532111
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP95116769A Expired - Lifetime EP0709534B1 (de) | 1994-10-31 | 1995-10-25 | Schloss mit Identträger-Aktivierung |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0709534B1 (de) |
AT (1) | ATE175750T1 (de) |
DE (4) | DE4438832A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104123767A (zh) * | 2014-06-13 | 2014-10-29 | 江苏省电力公司江阴市供电公司 | 一种用于配电站所箱柜的低功耗门禁系统 |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19727422C1 (de) * | 1997-06-27 | 1998-06-25 | Meyers Pierre | Koppelsystem für elektronische Verschlußeinrichtungen |
DE19743655C2 (de) * | 1997-10-02 | 1999-08-12 | Rolf Maniago | Schließvorrichtung für ein Schloß |
DE19851308C2 (de) * | 1997-11-07 | 2002-11-07 | Simons & Voss Identifikationss | Schließzylinder |
DE19756341B4 (de) * | 1997-12-18 | 2007-08-23 | Marquardt Gmbh | Schließsystem, insbesondere für Kraftfahrzeuge |
DE19805497C1 (de) * | 1998-02-11 | 1999-08-05 | Pierre Meyers | Innenbeschlag mit Getriebe und elektrisch betätigbarer Kupplung für ein Türschloß |
DE19823668A1 (de) * | 1998-05-20 | 1999-12-02 | Herrmann Datensysteme Gmbh | Sicherheitseinrichtung für eine mindestens im Verschlußbereich eigensteife Verpackung, Umhüllung oder dergleichen |
AU737076C (en) * | 1998-06-11 | 2002-08-08 | Assa Abloy Australia Pty Limited | Electrically controlled lock |
AUPP400798A0 (en) | 1998-06-11 | 1998-07-02 | Lockwood Security Products Pty Limited | Electrically controlled lock |
DE19832516A1 (de) * | 1998-07-20 | 2000-01-27 | Schulte Schlagbaum Ag | Schloß, insbesondere für eine Schließanlage |
DE19845515C2 (de) * | 1998-10-02 | 2001-06-07 | Rolf Maniago | Schließvorrichtung für ein Schloß |
ATE352687T1 (de) | 1998-11-05 | 2007-02-15 | Simonsvoss Technologies Ag | Schliesszylinder |
DE19854454C2 (de) * | 1998-11-13 | 2000-09-07 | Ulf Klenk | Schließzylinder |
DE19853207C2 (de) * | 1998-11-18 | 2001-02-01 | Simons & Voss Identifikationss | Schließvorrichtung |
DE19960791C1 (de) * | 1999-12-16 | 2001-04-05 | Sphinx Elektronik Gmbh | Schloss mit einer elektromechanischen Kupplungsvorrichtung |
ES2229929B2 (es) * | 2003-10-02 | 2006-03-01 | Ojmar, S.A. | Cerradura electronica sin contacto. |
DE102004004257A1 (de) * | 2004-01-28 | 2005-08-25 | Seccor High Security Gmbh | Stromsparendes Wecken in Transponder-Schließsystemen |
EP1752929B2 (de) | 2005-07-28 | 2022-06-22 | Inventio AG | Verfahren zur Kontrolle des Zugangs für einen von Personen zugänglichen Bereich, insbesondere für einen durch eine Tür abgeschlossenen Raum |
DE102005039959B4 (de) * | 2005-08-24 | 2014-03-27 | Schulte-Schlagbaum Ag | Türbeschlag mit Außendrückerbetätigungssperre |
DE102006061297A1 (de) * | 2006-12-22 | 2008-06-26 | Conti Temic Microelectronic Gmbh | Antenne eines RFID-Lesegeräts für induktive Datenkommunikation |
DE102007034593A1 (de) | 2007-07-25 | 2009-01-29 | Identec Solutions Ag | Verfahren und Vorrichtung zum stromsparenden Betrieb einer Vielzahl von RFID-Datenträgern |
CN104662242A (zh) * | 2012-10-17 | 2015-05-27 | 多尔马德国有限责任公司 | 具有集成的联接装置的门操作件 |
EP2998470B1 (de) | 2014-09-22 | 2018-12-19 | dormakaba Deutschland GmbH | Beschlag für eine gebäudetür |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4073527A (en) * | 1977-01-12 | 1978-02-14 | Schlage Lock Company | Electrically controlled door lock |
DE3347896C2 (de) * | 1982-05-13 | 1986-02-13 | Klaus Dr. 8022 Grünwald Meister | Verschlußeinrichtung mit abkoppelbarem, inneren Betätigungsteil |
DE3225754A1 (de) * | 1982-07-09 | 1984-01-12 | Hülsbeck & Fürst GmbH & Co KG, 5620 Velbert | Verfahren zur schliesswirksamen wechselwirkung eines schluesselartigen teils mit einem schlossartigen teil |
DE3338604C2 (de) * | 1983-10-24 | 1986-02-13 | Klaus Dr. 8022 Grünwald Meister | Verschlußeinrichtung mit Zweiachsen-Koppelvorrichtung, Haltemagnet und Mitnehmer |
DE3421540A1 (de) * | 1984-06-08 | 1986-01-02 | Audi AG, 8070 Ingolstadt | Schliesssystem mit einem batteriebetriebenen infrarot-handsender |
SE8503257L (sv) * | 1985-07-01 | 1987-01-02 | Volvo Ab | Elektroniskt lassystem |
DE3602989A1 (de) * | 1986-01-31 | 1987-11-19 | Herz Gmbh | Elektromechanisches schlosssystem |
DE3738906A1 (de) * | 1987-11-17 | 1989-05-24 | Bks Gmbh | Tuerbeschlag mit innen- und aussenlangschild |
DE3914751A1 (de) * | 1988-11-08 | 1990-05-17 | Schulte Schlagbaum Ag | Beschlag, insbesondere fuer tueren oder dergleichen |
DE3905651A1 (de) * | 1989-02-24 | 1990-08-30 | Daimler Benz Ag | Verfahren zur sicherung von codeworten eines fernwirksystems und fernwirksystem mit durch codeworte uebertragbarem code |
US5027629A (en) * | 1990-01-22 | 1991-07-02 | Liu Yin Chic | Control mechanism of electronic lock |
ATA96090A (de) * | 1990-04-25 | 1991-12-15 | Skidata Gmbh | Tuerschloss mit einer von einer seite mittels eines schluessels oeffenbaren falle |
DE4102816C2 (de) | 1990-07-27 | 1994-06-30 | Diehl Gmbh & Co | Hochfrequenz-Kommunikationseinrichtung |
DE9013254U1 (de) * | 1990-09-19 | 1991-05-08 | May Tzy Industrial Co., Ltd., Taoyuan, Tw | |
DE4201568C2 (de) * | 1992-01-22 | 1995-12-21 | Vdo Schindling | Verfahren zur Synchronisation von Sender und Empfänger |
-
1994
- 1994-10-31 DE DE4438832A patent/DE4438832A1/de not_active Ceased
-
1995
- 1995-01-26 DE DE19502288A patent/DE19502288A1/de not_active Ceased
- 1995-10-25 DE DE59504799T patent/DE59504799D1/de not_active Expired - Fee Related
- 1995-10-25 EP EP95116769A patent/EP0709534B1/de not_active Expired - Lifetime
- 1995-10-25 AT AT95116769T patent/ATE175750T1/de not_active IP Right Cessation
-
1996
- 1996-01-20 DE DE19601959A patent/DE19601959A1/de not_active Ceased
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104123767A (zh) * | 2014-06-13 | 2014-10-29 | 江苏省电力公司江阴市供电公司 | 一种用于配电站所箱柜的低功耗门禁系统 |
Also Published As
Publication number | Publication date |
---|---|
DE19601959A1 (de) | 1997-07-24 |
DE4438832A1 (de) | 1996-05-02 |
DE59504799D1 (de) | 1999-02-25 |
DE19502288A1 (de) | 1996-08-01 |
EP0709534A1 (de) | 1996-05-01 |
ATE175750T1 (de) | 1999-01-15 |
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