WO1982002811A1 - Systeme de securite - Google Patents
Systeme de securite Download PDFInfo
- Publication number
- WO1982002811A1 WO1982002811A1 PCT/US1981/000161 US8100161W WO8202811A1 WO 1982002811 A1 WO1982002811 A1 WO 1982002811A1 US 8100161 W US8100161 W US 8100161W WO 8202811 A1 WO8202811 A1 WO 8202811A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- key
- code
- security device
- codes
- security
- Prior art date
Links
Classifications
-
- 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
- G07C9/00309—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with bidirectional data transmission between data carrier and locks
-
- 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
- G07C9/20—Individual registration on entry or exit involving the use of a pass
- G07C9/21—Individual registration on entry or exit involving the use of a pass having a variable access code
-
- 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
- G07C9/20—Individual registration on entry or exit involving the use of a pass
- G07C9/29—Individual registration on entry or exit involving the use of a pass the pass containing active electronic elements, e.g. smartcards
-
- 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
- G07C2009/00579—Power supply for the keyless data carrier
- G07C2009/00603—Power supply for the keyless data carrier by power transmission from lock
- G07C2009/00611—Power supply for the keyless data carrier by power transmission from lock by using inductive transmission
-
- 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
- G07C2009/00785—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 light
Definitions
- This invention relates to security systems and more specifically to electronically encoded security systems.
- Prior electronic key and lock systems have used various encoding means such as magnetic cards or modules. Examples of such lock systems are set out in U.S. Patent Nos. 3,392,559, 3,660,729, and 3,800,284 for example.
- An object of this invention is to provide an improved security system and key therefor which eliminates a need for multiple keys and retains a high degree of security.
- a security system for control of a desired operation comprising a key storing a plurality of multidigit key codes that correspond to different controlled operations, a cooperating security device that includes a stored multidigit device code, compare logic for comparing the stored device code with key codes, and means responsive to detection by the compare logic of a key code that matches the device code to generate an output enabling said desired operation.
- Scan means responsive to presentation of the key to the coopera- tin security device rapidly presents a plurality of key codes stored in the key in sequence to the compare logic for comparison with the device code.
- Either the key or the security device may be . active or passive so long as at least one of the elements contains or has access to a power source.
- the key may contain a memory which can actively generate a digital pattern of the key codes or a memory which can be externally probed by an outside
- PI -2- active device and yield the pattern of key codes. If the code pattern of the security device coincides with a key code pattern- a recognition circuit allows the desired operation, for example by direct electronic triggering.
- the key may also have the capability of mechanically operating the lock upon recognition of code coincidence.
- the key which may be programmed with many key codes, depending on the number of . locks or security operations the user controls, preferably runs through its repertoire of codes in sequence upon presentation of the key to a cooperating security device.
- the security device may contain several dif erent codes.
- the security device's recognition or correlation cir- cuit produces a response when i 'senses a match between a stored code and .a key code- presented to it.
- the security system key is a small elongated cylinder " that houses a programmable read only memory that stores a qualifying header and over fifty key codes in binary form together with clock and control logic interconnected to sequentially interrogate the memory and transmit the key codes in serial pulse ' form to an LED transducer.
- the cooperating security device includes a key receptacle and a transducer that reads the key codes in response to insertion of the key in the receptacle. After the qualifying header is detected, the key codes are applied to compare logic. Further logic times the controlled operation in response to a successful comparison and locks out the security system in the absence of a successful comparison, thus discouraging tampering.
- Fig. 1 is a block diagram of a security system in accordance with the invention.
- Fig. 1A shows a modified key
- Fig. 2 is a schematic diagram of the power supply for the key of Fig. 1;
- Fig. 3 is a schematic diagram of key control logic and memory;
- Fig. 4 is a schematic diagram of sensor and header decoder circuitry.
- Fig. 5 is a block diagram of counter logic
- Fig. 6 is a block diagram of device memory and comparator logic
- Fig. 7 is a block diagram of reset and latch logic of the system shown in Fig. 1.
- the illustrated security system controls a lock solenoid 10 which, when energized, permits a .desired operation such as the unlocking of an access door.
- the control key 12 is a small epoxy-filled cylinder that is designed to be inserted in recess 14 of security device recep ⁇ tacle 16 in wall 18 and has an output interface device 20—a light emitting diode—at one end.
- Light sensor 22 at the inner end of recess 14 is on the axis of recess 14 and is designed to interface with and respond to radiation from light source 20 when key 12 is inserted in recess 14.
- Sensor 24 detects the insertion of key 12.
- Key 12 has a pre-programmed read only memory chip 26, and power and clock pulses are transformer coupled to the key circuitry through winding 30 on ferrite core 32.
- the key circuitry includes clock circuitry 34 and logic circuitry 36 connected to memory 26 and to output interface device 20.
- Programmable Read Only Memory 26 has a storage capacity of 256 8-bit words * The first four 8-bit words are filled with binary ONEs and the second four 8-bit words are filled with binary ZEROs.
- Each key code consists of four 8-bit words sequentially located in memory 26 (each key code thus consisting of 32 bits) and memory 26 thus has capacity for storing sixty-two different key codes; Removeable end piece 38 provides access to memory chip 26 to permit loading of additional key codes or changing of key codes.
- Key 12 thus has capability for controlling a number of different desired operations.
- Eachkey is designed to control several different cooperating security units of the type illustrated in Fig. 1.
- That security unit includes a 100 kilohertz oscillator 50 which, when triggered in response to insertion of key 12 into ' recess 14 as signalled by a SCAN ENABLE signal over line 40 from sensor 24, provides a 100 kilohertz output on line 54 and energizes coil 52 disposed about recess 14 of receptacle 16. Key 12 then generates a serial train of data pulses which are sensed by interface sensor 22 mounted at the end of recess 14. The resulting serial data train, after amplification and shaping by amplifier 60, is applied over line 62 to header decoder 64 and input shift register 66.
- the security device logic also includes addressable memory 70, address counter 72, compare logic 74, delay and latch logic 76, and control logic 78.
- Clock pulses on line 54 are applied to header decoder 64, input register 66, address counter 72, compare logic 74, delay and latch logic 76, and control logic 78.
- clock pulses are applied to synchronizing divider circuit 80 which produces on line 82 a synchronizing pulse corres ⁇ ponding to each eighth clock pulse.
- clock circuit 34 of key 12 is shown in Fig. 2. That circuitry is connected to coil 30 and includes rectifier 82 and filtering capacitor 84 which provides a DC signal at terminal 86. The clock circuit further includes resistor 88 and protective diodes 90, 92 and provides a series of clock pulses at terminal 94. Further details of control logic 36 of key 12 are shown in Fig. 3. Clock pulses (at 100 Khz rate) from'terminal 94 drive counter 96 which, in response to every eighth clock, pulse, produces a synchronizing (codebyte) output on line 98 to increment address counter 100 and, through inverter 102, to load shift register 104. The PROM address counter 100 includes two 4-bit counters 106, 108 and PRO*. 26 is addressed over lines 110.
- Each addressed 8-bit data word is loaded from PROM 26 into shift register 104 over lines 112 and the following eight clock pulses from terminal 94 shift the 8-bit data word serially from register 104 over output line 114 through amplifier transistor 116 to energize infrared light-
- oscillator 50 causes all the stored key codes in memory 26 to be sequentially Q applied to the receiving interface sensor 22 essentially ath the 100 kilohertz clock rate for sensing by the security circuitry.
- Sensor 22 is a diode mounted at the end of recess 14 and picks up the serial data signals from key 12.
- Each output pulse signal from diode 22 is amplified by amplifier.120 and shaped by Schmitt 0 trigger circuit 122 so that an output serial train of data pulses is applied over line 62 to the header decoder circuitry 64.
- That circuitry is arranged to provide a COMPARE ENABLE output signal on line 124 to indicate detection of the code header 5 of 32- ONE-bits followed by 32 ZERO-bits (the header block).
- Decoder 64 includes counters 126, 128, each of which is stepped by clock pulses on line 54.
- the reset line 130 of counter 126 is connected through OR circuit 132 and inverter AND circuit 134 to the 0 serial data line 62; and the reset line 136 of counter 128 is connected through OR circuit 138 and AND circuit 140 to serial data line 62.
- Counter 126 is stepped by each clock pulse and inverter 134 is initially conditioned by the absence of a carry signal on line 142 from the carry output of counter 126.
- inverter 134 produces an output which is supplied through OR circuit 132 to 5 reset counter 126. Thirty-two ON ⁇ -bits must be transmitted in sequence on line 62 before the carry bit of counter 126 is asserted on line 142.
- Counter 128 operates in a manner similar to 15 counter 126, except that the serial data is not ' inverted. Hence, a ONE-bit on data line 62 will reset counter 128.
- the stages of counter 128 are outputted through OR circuit 144 to condition AND circuit 146, and should a reset signal be produced 0 by AND circuit 140 after OR circuit 144 has an output, counter 126 will also be reset, reinitiating the start of a header search.
- the carry bit of counter 128 is asserted producing a 5 COMPARE ENABLE signal on. line 124. That COMPARE ENABLE signal is also fed back to remove the conditioning input from gate 140 and the load line of counter 128 is asserted, insuring that the COMPARE ENABLE signal remains asserted until the header 0 decoder 64 is reset.
- a divide-by-8 counter 80 similar to key counter 96, is provided to generate address increment signals to step address counter 72.
- Divide—by-8 circuit includes a 4-stage counter which in response to every eighth clock pulse produces an output on line 82 which is passed (after AND circuit- 150 is conditioned) as a SYNC pulse and also to step address counter 72.
- the two lower stages of address counter 72 provide steering outputs on line 154 and 156.
- Address counter 72 also functions as a scan control device, i.e., when it overflows, that signal is transmitted over one line 158 as a SEARCH FAIL signal which remains asserted until a RESET signal is generated.
- FIG. 6 Shown in Fig. 6 is further detail of the cir- • cuitry of input register 66, read only memory 70, compare logic 74, and control logic 78 which controls lock solenoid 10.
- That circuitry includes a selector circuit 160 which is conditioned by a COMPARE ENABLE signal on line 124 and responds to steering signals on lines 154 and 156 to sequentially condition DIP memory-switch units 70-1 - 70-4, (Memory 70 may be hard wired or may be programmable as with the illus ttrated DIP switches.)
- Each of the four sets of eight code bits stored in memory 70 is applied through OR circuits 162-1 - 162-8 -in succession to exclusive OR circuits 170-1 - 170-8 of compare logic 74.
- Each corresponding second input of exclusive OR gates 170 is connected to corresponding POUT outputs of shift register 66.
- serial data from key 12 applied over line 62 is stored in shift register 66 and applied as a parallel data output to exclusive OR gates 170 of compare logic 74.
- Each 8-bit comparison is coupled through NAND circuit 180 and gate 182 which is sampled by the SYNC pulse on line 152 (each eighth clock interval). If comparison is satis ⁇ factory (all eight bits compare successfully) no output is produced by gate 182. In the event of an unsatisfactory comparison, however, AND gate 182 has an output which is applied through OR circuit 184 to reset counter 186 (unsuccessful comparison) .
- Counter 186 is enabled by each SYNC pulse on line 152 and stepped in the absence of a reset signal from OR circuit 184.
- Counter 186 will generate a carry only after four successive successful comparisons are made in series. That carry is transmitted on line 190 as a successful comparison signal.
- the signal one line 190 is applied to gate 192 . of lock control logic 78. If that gate is conditioned, a DOOR OPEN signal on line 194 and flip flop latch 196 is set which activates solid state relay 198 ' to energize the lock solenoid 10. To provide sufficient time for the user to open the door or otherwise perform the controlled operation, a delay is provided before reset by delay logic 76 illustrated in Fig. 7.
- the DOOR OPEN signal on line 194 sets latch 200 and the resulting output is passed through OR circuit 202 and monostable circuit 204 " to reset 24 stage counter 206 which is stepped by clock pulses on line 54 providing approximately ten seconds delay before stage_ 20 goes high.
- the counter stage 20 output on line 208 is passed by conditioned AND circuit 210 and OR circuit 212 to generate a RESET pulse on line 214.
- a SEARCH FAIL signal is generated on line 158 and sets latch 216 (scan failure) .
- the resulting latch output on line 218 generates an OPEN INHIBIT signal which removes the conditioning input from gate 192 and is passed through OR circuit 202 to permit stepping of counter 206.
- the counter stage 24 output on line 220 is passed by conditioned AND circuit 222 through OR circuit 212 to provide a system RESET signal on line 214 permitting another scan cycle to be repeated.
- conditioned AND circuit 222 through OR circuit 212 to provide a system RESET signal on line 214 permitting another scan cycle to be repeated.
- the user inserts key 12 into receptacle 16. Insertion of the key causes sensor 24 to actuate oscillator 50 to generate clock pulses and commence read out of the key codes from the programmable memory 26 through LED transducer 20.
- the serial train of data pulses is sensed by photo diode 22, amplified and applied to header decoder 64 and input shift register 66.
- comparison of each key code byte with a corresponding code byte stored in memory 70 is initiated. Successful comparison produces an output on line 190 to operate the lock control logic and energize lock solenoid 10, permitting the desired operation to be performed. If the scan operation under the control of address counter 72 does not result in a successful comparison, delay and latch logic 76 is energized as a safeguard against tampering.
- the key 12 can take many forms and may include a mechanical lock operator position 42, for example, as indicated in Fig, 1A.
- Rotation of key 12' after DOOR OPEN signal (line 194) is asserted, operates a mechanical lock or latch member that has been released by lock solenoid 10.
- code data may be translated from the key to the security device in a variety of manners and in various forms.
- the several security devices for use with a single key may control diverse functions including conventional lock mechanisms for the user's house, office, and automobile, for example as well as other security mechanisms such as those for monetary transfer or other banking or credit transactions, for example.
- Enhanced security of certain operations is possible with the system of the invention as the controlled device, e.g., ' lock solenoid 10 may be remote from receptacle 16.
- the key receptacle may be on the steering column and the ignition switch in the motor compart ⁇ ment accessible only through the separately locked hood.
- Supplemental control functions may be provided in systems in accordance with the invention as for example, the provision of a watch clock record or similar record of key codes through which access was obrained to the controlled or supervised operation. Therefore, while a particular embodiment has • been shown and described, other embodiments will be apparent to those skilled in the art and therefore it is not intended that the invention be limited to the disclosed embodiment or to details thereof and departures may be made therefrom within the spirit and scope of the invention.
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Lock And Its Accessories (AREA)
Abstract
Un systeme de securite utilise une clef electronique (12, 12') qui contient de nombreux codes relatifs a l'utilisateur afin de commander plusieurs dispositifs de securite differents. La clef peut etre ou ne pas etre electriquement active, et peut comporter des moyens d'acces mecaniques (42) ainsi qu'electroniques. Chaque dispositif de securite contient un code stocke (70) et etablit par voie electronique la correlation (74) entre le code stocke et les impulsions d'entree des codes de la clef. On peut utiliser un grand nombre de codes de clef sans compromettre le fonctionnement du systeme de securite. Chaque dispositif de securite repond a un code de clef particulier ou a plusieurs codes de ce type dans un systeme principal de verrouillage. La clef (12, 12'), lorsqu'elle est excitee, presente l'ensemble du repertoire de ses codes au dispositif de securite et l'acces est autorise lorsque le dispositif de securite detecte son code correspondant.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP81901416A EP0071600A1 (fr) | 1981-02-06 | 1981-02-06 | Systeme de securite |
JP50190781A JPS58500203A (ja) | 1981-02-06 | 1981-02-06 | 安全システム |
PCT/US1981/000161 WO1982002811A1 (fr) | 1981-02-06 | 1981-02-06 | Systeme de securite |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
WOUS81/00161810206 | 1981-02-06 | ||
PCT/US1981/000161 WO1982002811A1 (fr) | 1981-02-06 | 1981-02-06 | Systeme de securite |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1982002811A1 true WO1982002811A1 (fr) | 1982-08-19 |
Family
ID=22161081
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US1981/000161 WO1982002811A1 (fr) | 1981-02-06 | 1981-02-06 | Systeme de securite |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0071600A1 (fr) |
JP (1) | JPS58500203A (fr) |
WO (1) | WO1982002811A1 (fr) |
Cited By (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2512231A1 (fr) * | 1981-08-25 | 1983-03-04 | American District Telegraph Co | Dispositif de securite avec des niveaux d'acces multiples |
EP0103790A2 (fr) * | 1982-09-17 | 1984-03-28 | Siemens Aktiengesellschaft | Procédé de codage pour une clé électronique |
EP0224607A1 (fr) * | 1985-12-03 | 1987-06-10 | Fritz Fuss GmbH & Co. | Dispositif de fermeture comportant un système électronique d'identification |
WO1987004482A1 (fr) * | 1986-01-23 | 1987-07-30 | Maurice Bloch | Commutateur a clef |
FR2607545A1 (fr) * | 1986-12-01 | 1988-06-03 | Brune Jean Pierre | Systeme de securite electronique comprenant une cle multicodes et une serrure dont le mecanisme ne peut etre force |
FR2610033A1 (fr) * | 1987-01-23 | 1988-07-29 | Parienti Raoul | Clef et serrure electroniques |
FR2614642A2 (fr) * | 1987-01-23 | 1988-11-04 | Parienti Raoul | Clef et serrure electroniques |
EP0290330A1 (fr) * | 1987-04-29 | 1988-11-09 | Raoul Parienti | Serrure électronique |
ES2080638A1 (es) * | 1992-12-14 | 1996-02-01 | Robaina Medina Orencio | Cerradura universal. |
ES2080639A1 (es) * | 1992-12-31 | 1996-02-01 | Medina Orencio Robaina | Llave electronica universal de claves multiples. |
ES2080633A1 (es) * | 1992-01-27 | 1996-02-01 | Santacruz Domingo Pena | Sistema de cerradura. |
FR2743652A1 (fr) * | 1996-01-16 | 1997-07-18 | Telecommunications Sa | Serrure actionnee par signal infrarouge depuis une cle de commande |
EP0818756A2 (fr) * | 1996-06-24 | 1998-01-14 | AES Angewandte Elektroniksysteme GmbH | Procédé et dispositif pour détecter sans contact la présence d'une personne à des stations de contrÔle différentes |
FR2773405A1 (fr) * | 1998-01-08 | 1999-07-09 | France Telecom | Procede et systeme de controle d'acces a une ressource limite a certaines plages horaires |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62221952A (ja) * | 1986-03-25 | 1987-09-30 | Kokusan Kinzoku Kogyo Co Ltd | 車輌用盗難防止装置 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4216375A (en) * | 1979-03-12 | 1980-08-05 | A-T-O Inc. | Self-contained programmable terminal for security systems |
US4250533A (en) * | 1979-05-21 | 1981-02-10 | Nelson Avi N | Security system |
-
1981
- 1981-02-06 EP EP81901416A patent/EP0071600A1/fr not_active Withdrawn
- 1981-02-06 JP JP50190781A patent/JPS58500203A/ja active Pending
- 1981-02-06 WO PCT/US1981/000161 patent/WO1982002811A1/fr unknown
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4216375A (en) * | 1979-03-12 | 1980-08-05 | A-T-O Inc. | Self-contained programmable terminal for security systems |
US4250533A (en) * | 1979-05-21 | 1981-02-10 | Nelson Avi N | Security system |
Cited By (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2512231A1 (fr) * | 1981-08-25 | 1983-03-04 | American District Telegraph Co | Dispositif de securite avec des niveaux d'acces multiples |
EP0103790A2 (fr) * | 1982-09-17 | 1984-03-28 | Siemens Aktiengesellschaft | Procédé de codage pour une clé électronique |
EP0103790A3 (fr) * | 1982-09-17 | 1984-09-05 | Siemens Aktiengesellschaft | Procédé de codage pour une clé électronique |
EP0224607A1 (fr) * | 1985-12-03 | 1987-06-10 | Fritz Fuss GmbH & Co. | Dispositif de fermeture comportant un système électronique d'identification |
WO1987004482A1 (fr) * | 1986-01-23 | 1987-07-30 | Maurice Bloch | Commutateur a clef |
FR2607545A1 (fr) * | 1986-12-01 | 1988-06-03 | Brune Jean Pierre | Systeme de securite electronique comprenant une cle multicodes et une serrure dont le mecanisme ne peut etre force |
FR2610033A1 (fr) * | 1987-01-23 | 1988-07-29 | Parienti Raoul | Clef et serrure electroniques |
FR2614642A2 (fr) * | 1987-01-23 | 1988-11-04 | Parienti Raoul | Clef et serrure electroniques |
EP0290330A1 (fr) * | 1987-04-29 | 1988-11-09 | Raoul Parienti | Serrure électronique |
US4856310A (en) * | 1987-04-29 | 1989-08-15 | Raoul Parienti | Electronic lock |
ES2080633A1 (es) * | 1992-01-27 | 1996-02-01 | Santacruz Domingo Pena | Sistema de cerradura. |
ES2080638A1 (es) * | 1992-12-14 | 1996-02-01 | Robaina Medina Orencio | Cerradura universal. |
ES2080639A1 (es) * | 1992-12-31 | 1996-02-01 | Medina Orencio Robaina | Llave electronica universal de claves multiples. |
FR2743652A1 (fr) * | 1996-01-16 | 1997-07-18 | Telecommunications Sa | Serrure actionnee par signal infrarouge depuis une cle de commande |
EP0818756A2 (fr) * | 1996-06-24 | 1998-01-14 | AES Angewandte Elektroniksysteme GmbH | Procédé et dispositif pour détecter sans contact la présence d'une personne à des stations de contrÔle différentes |
EP0818756A3 (fr) * | 1996-06-24 | 1998-12-30 | AES Angewandte Elektroniksysteme GmbH | Procédé et dispositif pour détecter sans contact la présence d'une personne à des stations de contrÔle différentes |
FR2773405A1 (fr) * | 1998-01-08 | 1999-07-09 | France Telecom | Procede et systeme de controle d'acces a une ressource limite a certaines plages horaires |
WO1999035617A1 (fr) * | 1998-01-08 | 1999-07-15 | La Poste | Procede et systeme de controle d'acces a une ressource limite a certaines plages horaires |
Also Published As
Publication number | Publication date |
---|---|
JPS58500203A (ja) | 1983-02-10 |
EP0071600A1 (fr) | 1983-02-16 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US4250533A (en) | Security system | |
WO1982002811A1 (fr) | Systeme de securite | |
US3859634A (en) | Digital lock system having electronic key card | |
US3848229A (en) | Electronic lock system | |
US4213118A (en) | Combination changing system and method | |
US4553211A (en) | Vending machine with doors | |
US3866173A (en) | Access control system for restricted area | |
EP0044630B1 (fr) | Dispositif électronique de sécurité | |
US3544769A (en) | Electronic identification and credit card system | |
US4283710A (en) | Security system | |
US3857018A (en) | Controlled access systems | |
US4102493A (en) | Systems for storing and transferring data | |
US4646080A (en) | Method of code changing for electronic lock | |
US4408119A (en) | Individualized portable object such as a credit card | |
US4209782A (en) | Method and circuit arrangement for the electronically controlled release of door, safe and function locks using electronically coded keys | |
US4498000A (en) | Security method and device for communicating confidential data via an intermediate stage | |
DE3471712D1 (en) | A lock system | |
GB2118614A (en) | Method of code changing for electronic lock | |
US3609690A (en) | Secure personnel access control system | |
US4912308A (en) | Device and method for effecting personal identification utilizing an IC card | |
US5321395A (en) | System providing verified information exchange between an electronic record carrier and a read/write unit | |
EP0197899B1 (fr) | Cassette verrouillable pour papiers et/ou objets de valeur | |
CA1252854A (fr) | Systeme de verrouillage controle par micro-ordinateur | |
US3959633A (en) | Security guard recording system | |
GB1582989A (en) | Security systems |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
AK | Designated states |
Designated state(s): JP |
|
AL | Designated countries for regional patents |
Designated state(s): AT CH DE FR GB LU NL SE |