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| Number | Title | Issue Date |
| 5982277 | Vehicle security system having enhanced convenience features A vehicle security system includes a controller for performing a function responsive to receipt of a corresponding command signal, and a remote transmitter for sending a command signal. A valet switch is included for placing the controller in a valet mode... | 11/09/1999 |
| 5982292 | Method of and system for entering identification codes into vehicle antitheft system A vehicle antitheft system has an immobilizer unit which reads in an identification code generated by and transmitted from an ignition key of the type having a built-in signal transmitter and compares the identification code read therein with an identific... | 11/09/1999 |
| 5978483 | Securely encrypted remote keyless entry system A remote keyless entry system particularly suited for preventing access to unauthorized individuals by securely encrypting messages transmitted from a remote transmitter to a receiver. A unique encryption algorithm is used to generate a multibit message h... | 11/02/1999 |
| 5966081 | Paging activated electronic security system An antitheft system for use in portable consumer electronic equipment. The antitheft system includes an antitheft receiver that receives a deactivation code that is transmitted by a paging system transmitted when the device is reported stolen. Upon receip... | 10/12/1999 |
| 5963141 | Apparatus for checking identification signal and method thereof An identification signal checking apparatus includes an apparatus (1) to be detected having a first wireless transmitting and receiving unit (4), a first signal processing unit (3) and a first memory unit (5) for storing an identification signal and inclu... | 10/05/1999 |
| 5959540 | Single-key security system A system for limiting access to certain components of a vehicle where the vehicle has a valet mode wherein access to the certain components of the vehicle is limited and a normal mode wherein the certain components are operable. The vehicle has a processo... | 09/28/1999 |
| 5955947 | Security structure unlocking system for use by emergency response personnel An emergency response security structure-opening assembly for use in unlocking a locked structure comprising: a radio frequency receiver formed to detect only uncoded radio frequency signals on a restricted emergency radio frequency; an actuator coupled t... | 09/21/1999 |
| 5955981 | Security for remote operation devices A remote controlled system for providing security measures includes an input interface through which a user can provide commands to secure and access a remote object. A security unit is coupled to the input interface and is responsive to the commands to p... | 09/21/1999 |
| 5952933 | System having advanced embedded code hopping encryption and learn mode therefor A system for monitoring and controlling an area comprising a controller for controlling system operational functions and responsive to at least one remote-control transmitter. The transmitter transmits system commands to the controller in a code word havi... | 09/14/1999 |
| 5953425 | Personal area network security lock and recharger combination apparatus for equipment access and utilization A mechanism is provided, for use with a portable authorization key, such as a "Personal Area Network" (PAN) device, wherein the PAN device is to be carried by a human user and to be used for authorization for the user's use of equipment, such as a compute... | 09/14/1999 |
| 5945936 | Learn mode for remote transmitters A remotely controllable vehicle system for generating a response to an incoming threat to a secured area and/or control of user selectable convenience features, comprising a wireless transmitter having at least one switch for generating and transmitting a... | 08/31/1999 |
| 5940002 | Security system with random number remote communication A security system that is useful for protecting vehicles from theft and buildings from unauthorized entry, for example, includes utilizing random numbers within remotely transmitted signals. A remote signaling device transmits a signal to a system control... | 08/17/1999 |
| 5940001 | Transmission and reception system for controlling locking/unlocking operation of key A transmission and reception system for controlling a locking/unlocking operation of a key includes a transmission section for transmitting a control signal having a predetermined frequency for effecting locking/unlocking of the key, and a reception secti... | 08/17/1999 |
| 5933086 | Remotely-operated self-contained electronic lock security system assembly A keyless locking mechanism for use in a door or the like. An operator activates the system by means of a portable remote handheld controller or a remote keypad unit, which transmit coded signals to an electronically controlled, electromechanical door loc... | 08/03/1999 |
| 5923758 | Variable key press resynchronization for remote keyless entry systems The present invention provides, in a preferred embodiment, a method whereby resynchronization between a transmitter and receiver is activated intuitively by, and transparently to, an authorized user, including: transmitting at least a first message from t... | 07/13/1999 |
| 5923264 | Multiple access electronic lock system An electronic door security system employs an input console having two readers for enhanced security. A microprocessor processes inputs applied at each of the readers to selectively permit access through a secured door. Application of an input to either r... | 07/13/1999 |
| 5920268 | Keyless entry systems for use with conventional locksets A keyless entry system for use with conventional locksets is provided. The system employs a battery operated motor and a gear train mounted on the inside of a door. The motor and gear train rotate the inside handle of the lockset in the same manner as a u... | 07/06/1999 |
| 5914667 | Advanced embedded code hopping system having master fixed code encryption A system for monitoring and controlling an area comprising a controller for controlling system operational functions; at least one remote-control transmitter for transmitting system commands to the controller in a code word having a fixed word and a hoppi... | 06/22/1999 |
| 5912631 | Mischief preventive automatic door locking apparatus and method for use with keyless entry system in automotive vehicle In automatic door locking apparatus and method for an automotive vehicle for locking and unlocking vehicle doors, a first timer unit in a controller starts a counting operation of a first set time period responsive to an unlock signal generated by a compa... | 06/15/1999 |
| 5912512 | Engine start control apparatus An engine start control apparatus, includes a code storing device which stores a plurality of normal codes which indicate a normal vehicle key belonging to a vehicle and a key corresponding to the normal vehicle key, and an immobilizer which determines as... | 06/15/1999 |
| 5907287 | Keyless entry control apparatus In a keyless entry control apparatus having a fault diagnosis unit provided separately from a car and a keyless entry C/U, the fault diagnosis unit transmits a signal to each control unit connected to a communication line, and when receiving a communicati... | 05/25/1999 |
| 5900823 | Vehicle protection system with audio/visual alarm and auxiliary lock for storage compartment A vehicle protection system with an auxiliary locking device that automatically locks the storage compartment where to a storage compartment of the vehicle and audio and visual alarms when the engine is started while the protection system is activated. Th... | 05/04/1999 |
| 5898230 | Motor vehicle with a central locking unit and a remote control for its operation A central locking system of a motor vehicle is provided with communication between the transmitter of the remote actuation unit and the receiver of the central locking system in a frequency-hopping spread spectrum mode where M channels are used of a total... | 04/27/1999 |
| 5896094 | Keyless entry system A keyless entry system for use with a mobile transmitter for transmitting an ID code specified therefor along with a command for vehicle door lock/unlock remote control to a control unit. The control unit is operable in an ID code registration mode for re... | 04/20/1999 |
| 5892459 | Processing circuit for input signal from key or remote-controller A key scanning circuit scans a key matrix circuit to generate key input data as for key operations. A remote control decoder decodes an encoded signal, which has been output from a remote control transmitter and received by a remote control receiving circ... | 04/06/1999 |
| 5889472 | Electronic vehicle key A vehicle key with an installed electronic system is used, for example, for wireless communication with the vehicle for controlling a vehicle locking system or a drive-away blocking system. The electronic vehicle key has a voice memory, a voice output uni... | 03/30/1999 |
| 5889603 | Optical drive away prevention security system The security system generally includes a key having an infrared transmitter and photocells which charge a power supply. The lock includes a pair of infrared receivers and a pair of light sources which charge the power supply in the key. The infrared trans... | 03/30/1999 |
| 5883443 | Countermeasure method and system for securing a remote keyless entry system The present invention teaches a method for preventing the use of an unauthorized reproduction of a remote unlock signal. In this scenario, the unauthorized reproduction occurs by jamming the receiver from receiving the remote unlock signal while intercept... | 03/16/1999 |
| 5872513 | Garage door opener and wireless keypad transmitter with temporary password feature A garage door opener system includes providing temporary access permission for some user or users while maintaining near permanent access permission for other users. The temporary access permission may be controlled by number of uses or a predetermined am... | 02/16/1999 |
| 5867106 | Password switch to override remote control A wireless interface device is adapted to be interfaced with a host computer. While the wireless interface device is connected to the host computer, the keyboard and mouse input devices of the host computer are locked out to prevent unauthorized access. S... | 02/02/1999 |
| 5850188 | Self-diagnosing remote entry apparatus A remote keyless entry apparatus is disclosed for use with a vehicle. The apparatus includes a receiving unit disposed within the vehicle and a key fob transmitter for transmitting a plurality of signals to the receiving unit. The transmitter includes a t... | 12/15/1998 |
| 5844495 | Key for operating both motor vehicle and building locks A key operable with both motor vehicles and buildings includes a mechanically coded part and a transponder for exchanging an identification code that includes a fixed code and a second code part. The fixed code can be used within the framework of a door-l... | 12/01/1998 |
| 5844496 | Signal generation method and structure for a transmission and reception system A transmission and reception system including a transmitter for transmitting a signal including identification (security) information and function information, and a receiver for receiving and decoding the signal and for executing the operation defined by... | 12/01/1998 |
| 5835022 | Keyless entry system When the opened condition of the either door is detected after the detection of the closed condition of all the doors and the detection of the locked condition of the driver seat door, the plurality of actuators are lock-driven even when the locked condit... | 11/10/1998 |
| 5831533 | Entering/leaving control system An entering/leaving control system for a user who is carrying a wireless medium which stores at least collating information and has a wireless communication function. The entering/leaving control system includes a receiving unit provided near a gate for e... | 11/03/1998 |
| 5828316 | Keyless entry function expander An add-on, or after-market, remote-control vehicle security system expander allows auxiliary remote-control functions to be added to previously-installed remote-control systems. Using complementary remote control functions for multiple actuation encoding ... | 10/27/1998 |
| 5815557 | Homeowner key for an electronic real estate lockbox system A secure entry system makes use of radio transmissions to communicate with locks, keys, and related components throughout the system. The radio transmissions can be made using a paging system, a cellular telephone system, or any other RF carrier. Some emb... | 09/29/1998 |
| 5811885 | Process for controlling the use of a motor vehicle using a two part code signal A process for controlling the use of a motor vehicle is provided using a code signal having two parts which is contained in a code memory carried by the user. A code comparator is contained in the motor vehicle into which the code signal is fed and which,... | 09/22/1998 |
| 5808372 | Ignition key-vehicle communication device which is protected against incorrect operation The invention provides an ignition key-vehicle communication device having at least one electronic key which can be inserted into a vehicle-end ignition lock. A wireless key-vehicle communication component arranged on the key actuates at least one vehicle... | 09/15/1998 |
| 5798711 | High throughput embedded code hopping system with bypass mode A system for monitoring and controlling an area comprising a controller for controlling system operational functions; at least one remote control transmitter for transmitting at least one system command to said controller in a code word having a fixed wor... | 08/25/1998 |
