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WO/1998/011553A1 |
In contact-free identification systems, the supply voltage is taken from the field and, consequently, is not constant as it is in battery identification cards, but fluctuates partly by some 100 mV. The RAM storage assembly, as it exists,...
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WO/1998/011689A2 |
The inventive method of cryptological authentification, applied in a scanning identification system with a station base which powers a transponder connected to the object to be identified across the alternating field of an enquiry signal...
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WO/1998/011496A1 |
Disclosed is a method of data transfer from a transponder to a reader, applied to a scanning identification system and consisting in modulating the load of an enquiry signal sent by the reader. First, a set number of data bits which are ...
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WO/1998/011505A1 |
The present invention relates to a method for tuning an oscillating receiver circuit of a transponder built into a RFID system with respect to the frequency resonance of an enquiry signal generated by a reader, the oscillating receiver c...
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WO/1998/007940A1 |
The present invention teaches a remote control system. The remote control system comprises a transmitter (11) for transmitting a first data signal (12) having a command and an identification code. Further, the remote control system compr...
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WO/1997/048867A1 |
The invention discloses an electronic key comprising, mounted in a key body, a key shank to be inserted in a corresponding housing of a lock cylinder to unlock it, the cylinder having one stator part and one rotor part integral with a ro...
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WO/1997/042385A1 |
The present invention teaches a wake-up detector system having a device (22) with a sleep mode of operation to conserve energy and an awake mode operation, and an input digital data stream (16) having a frequency. The system comprises an...
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WO/1997/041322A1 |
In a locking system, as for instance used on a vehicle, a switch or sensor, initiates the interrogation of a data storage medium via a control unit to check for access authorisation. If access authorisation is given the control unit rele...
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WO/1997/040474A1 |
An access control system rendered secure by means of a portable storage medium (C) on which is registered an electronic key (CL) comprises electronic key production means (LE) and means ensuring an electronic locking function (L) to auth...
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WO/1997/040481A1 |
A vehicle controller is presented for use in a remote keyless entry system for controlling a vehicle device function. The controller includes a receiver for receiving an RF request signal including a security code uniquely identifying a ...
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WO/1997/040473A1 |
A security access control system comprises a portable storage medium (C) on which is registered an electronic key (CL) including user identification data, the key being provided by a production means (LE), and a means ensuring an electro...
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WO/1997/037096A1 |
A locking device having both of a wireless door locking function and an immobilizer function. A cell (30), a switch (32) and a control IC (28) are accommodated inside a key (26). An antenna coil (12) is disposed at the end of a key cylin...
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WO/1997/032761A1 |
The invention concerns a security system for vehicles, in particular motor vehicles, the system rendering the vehicles secure against unauthorized use. The system consists of a radio receiver (2), which is disposed in the vehicle, for re...
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WO/1997/032098A1 |
In a system (1) with a lock (2) and a key (3) the lock (2) is provided with a write/read device (13) and a write/read coil (19) connected thereto, and the key (3) is provided with a transponder unit (14) and a transponder coil (32) which...
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WO/1997/030255A1 |
A locking system for a vehicle which uses a key system having a key (10; 90) including a coil (10f; 92a) and a key cylinder (12; 94) including an antenna coil (20a; 96). The coil (10f; 92a) transmits data to the antenna coil (20a; 96) by...
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WO/1997/025503A1 |
Security systems (10) are provided in which a plurality of different lock devices (19, 21, 20, 22) are all responsive to a single key (12). Outdoor lock devices (19, 21, 20, 22) which may not be used for a period of years are unlocked by...
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WO/1997/022772A1 |
A control unit (6) is electronically connected to an electronic lock (7) and adapted to receive radio signals via a paging receiver (4). The control unit (6) is activated by a code comprising a receiver identification code (RIC) and site...
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WO/1997/009209A2 |
The present invention teaches an optical anti-theft system having a security code. The optical anti-theft system comprises a member (12) having a plurality of reflective surfaces. The plurality forms a pattern corresponding with the secu...
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WO/1997/005579A1 |
The present invention pertains to a locking device (2) for systems used by a given user for a restricted period of time. The locking device (2) opens when an opening code (4) is entered. The locking device is characterised in that it iss...
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WO/1997/004997A1 |
A device is disclosed for protecting a motor vehicle controller (10) against illicit exchange. The core of the invention is a function-inhibiting device (11, 12, 13, 27) associated with a connection between the controller (10) and the co...
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WO/1997/004201A1 |
A charging capacitor (3) of a transponder (2) is wirelessly charged by energy signals from a transceiver (1). The level of the energy transmitted depends on the quality of the inductive transmission between the transponder (2) and the tr...
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WO/1996/041486A1 |
A keyless locking mechanism for use in a door. An operator activates the system by means of a portable remote handheld controller (900, 1000) which transmits coded signals to a door lock device (29). The electronic and electromechanical ...
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WO/1996/034167A1 |
Four write error check areas are provided in a memory (30) of a transmitter (12) of a transmitter/receiver (10) for a vehicle. Low is first written into the areas at the start of a write processing, and Hi is written at the end of the wr...
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WO/1996/032307A1 |
A remote control system for a vehicle includes a controller for learning a unique code of a remote transmitter to define a learned remote transmitter capable of causing performance of a function associated with the vehicle, for example. ...
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WO/1996/030236A1 |
Anti-theft system and method in which re-registration and deletion of a code is performed without using an exclusive tool. Modes are changed to a master key code registration mode when an ignition switch is switched from OFF to ON five t...
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WO/1996/029684A1 |
An automatic locker device for items such as hand luggage, comprising at least one module with locking/unlocking means, and a fastening member (7) to be passed through a luggage item (19), one end or the operative end of said fastening m...
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WO/1996/025575A1 |
An electronic key for actuating a lock is particularly useful for closure systems of motor vehicles. The housing (1) of the electronic key is shaped as a thin wedge. The narrow end (2) of the wedge is designed to be introduced into the l...
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WO/1996/023122A1 |
A programmable electronic locking device comprising a lock (12) operated by means of a key (18) when a match is found between a lock identification code and a related key identification code. The lock comprises a plug (14) with a portion...
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WO/1996/022202A1 |
A secure access vehicle security system has a driver acess key assembly (12) having a data processing assembly (14) with processor means (16) and data storage means (17) which stores data relating to the use of the driver access key asse...
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WO/1996/020100A1 |
A vehicle anti-theft system in the form of a mechanically interengagable electronic key and lock includes stored key and vehicle identifiers in both the key and in the lock. A random number is generated in the lock each time the vehicle ...
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WO/1996/019629A1 |
A drive-away prevention security system used in connection with an RF remote keyless entry system. A microprocessor (14) and associated circuitry are configured within the head (58) of an ignition key (52) for a vehicle such that when a ...
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WO/1996/018790A1 |
An electric or electronic lock, in particular a cylinder lock, has an electric energy generator with at least one coil (8), an electromagnetic locking member with a locking bolt (10), and operates with a key that is introduced into the l...
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WO/1996/018014A1 |
A cylinder for locks, adapted to be mounted to a lock body, has an outer cylinder which serves as a housing. A first inner cylinder, into which an electronic key is inserted, and a second inner cylinder adapted to be connected to a locki...
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WO/1996/017319A1 |
Disclosed is a finger ring with an information storage unit and at least two electrically conductive, mutually insulated ring elements that serve as contacts (1). The aim of the invention is to provide an arrangement of the contacts (1) ...
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WO/1996/010813A1 |
A door security system for use with a door having a contact switch (20) indicating whether the door is open or closed, includes a detector (10) providing a signal to allow passage through the door. In response to a signal from the detect...
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WO/1996/009943A1 |
The invention concerns an immobilization device for vehicles having a control apparatus (10, 12, 15) which is isolated only when an authorization check has been carried out. A preliminary release arrangement (19) unconditionally releases...
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WO/1996/008626A1 |
An electronic lock system for controlling access to a plurality of enclosures (12) each having an openable and closeable panel (32). The system is comprised of a lock mechanism (40) mounted to each of the panels (32). The lock mechanism ...
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WO/1996/004446A1 |
In order to allow an energy accumulator (20) mounted in a key (1) for high power consumers to be recharged without contact, said energy accumulator (20) is connected to a transponder (22) integrated in the key (1) and the high frequency ...
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WO/1996/003563A1 |
An electronic security system includes an electronic lock mechanism (9005) and an electronic key (100), each of which is provided with a microprocessor controller and a memory storing data including an ID code and encryption key codes. T...
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WO/1995/033114A1 |
A key body (14) is inserted into a recess (16) to be held on a card key support (12). When a spare key (10) is used, the key body (14) is removed from the recess (16) and inserted into a recess (26) whereby a lock insertion portion (14B)...
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WO/1995/023394A1 |
A three part security access arrangement in which the first part (1) is associated with an authorised person in the form of, for example a belt buckle, the second part (2) is attached to a valuable item, for example a wallet, and the thi...
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WO/1995/012940A1 |
Corrupted memory is detected during the communication sequence by generating a checksum of the authentication code at the initiation of the communication sequence and comparing it with a checksum previously stored. If the checksums do no...
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WO/1995/012733A1 |
Secret information is stored in the transmitter and receiver of the keyless entry system. The information includes a resynchronization authorization code. When resynchronization is requested by the user pressing the appropriate key fob b...
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WO/1995/012047A1 |
A user of a self-powered electronic combination lock rotates an outer dial (101) to cause generators to generate energy for storage in a capacitor bank. The user then rotates an inner dial (102) to cause a microprocessor to sequentially ...
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WO/1995/007829A1 |
A first carrier signal generation circuit (15) generates a carrier signal (S1) of a first frequency used for the frequency-modulation of a preset identification code (S). A second carrier signal generation circuit (16) generates a carrie...
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WO/1995/001685A2 |
An automobile door lock receiver module (30) and a plurality of keychain fob transmitter units (16) contain identification numbers, secret initial values, and secret feedback masks so as to authenticate encrypted messages from any of the...
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WO/1995/001686A1 |
An automobile door lock receiver module (30) and a plurality of keychain fob transmitter units (16) contain identification numbers, secret initial values, and secret feedback masks so as to authenticate encrypted messages from any of the...
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WO/1994/021878A1 |
A process for operating a remotely controllable locking system in a dialog process with a portable key unit and a lock unit, in which the codes (n, x, y, y+1) represent the signal (1, 2, 3) of an alternate code. Initially a first signal ...
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WO/1994/019219A1 |
A transmitter (20) is provided for transmitting a command signal, the transmitter including a rolling code generator (26) operable in response to a control logic (22) to provide a code forming at least part of said transmitted signal. Th...
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WO/1994/015048A1 |
A method for programming a spare key containing an electronic coded security code into the memory (18) of a security system (10) whereby a known key is inserted into the lock cylinder (12) and the security device is triggered to read its...
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