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| Number | Title | Issue Date |
| 7805968 | System for setting up and controlling a conference circuit An instruction for establishing a network-wide conference circuit in a telecommunication or IP network is transmitted to a switching computer or server in the network. At least one item of routing information with respect to the subscribers or other parties to the c... | 10/05/2010 |
| 7391319 | Wireless fire alarm door unlocking interface A wireless fire alarm door unlocking system includes a remote alarm panel interface to receive information from a central alarm panel interface over an RF channel. The central alarm panel interface monitors an output from an alarm control panel and, when an alarm co... | 06/24/2008 |
| 7357429 | Safety lock A safety lock for a closing-off device which can be opened, has an actuating unit with an actuator which is guided in a displaceable manner, and has a locking unit into which the actuator, with the closing-off device closed, can be pushed and can be locked via an el... | 04/15/2008 |
| 7336001 | Door lock control device A door lock control device prevents deterioration in anti-theft property of a vehicle by restricting unjust cancellation of a locked state of a door of the vehicle. In-vehicle operation detecting means detects a predetermined operation performed in a compartment of ... | 02/26/2008 |
| 7271725 | Customer service robot A customer robot enabling a customer service including key management with respect to a plurality of lock-equipped objects in an environment such as vehicles in a parking lot is provided. The robot has an unlock/lock signal database storing unlock/lock signals respe... | 09/18/2007 |
| 7242282 | Wireless anti-lockout system The wireless anti-lockout system automatically unlocks a driver's side door when the driver locks the car keys within the car. The anti-lockout system includes door-lock and trunk-lock sensors, a key chain transponder, transponder sensors and an occupant presence se... | 07/10/2007 |
| 7233244 | Alarm and control system for a switch cabinet The invention relates to an alarm and control system for at least one switch cabinet that can be opened and closed by an operator. Said switch cabinet comprises an electroactuated locking unit (17) for locking and releasing its door lock and a plurality of mo... | 06/19/2007 |
| 7097226 | Safety system for a compartment of a vehicle A safety sensing and/or release system for a closed compartment of a vehicle is operable to detect an occupant within the vehicle compartment. The system may be operable to sense ambient conditions in the vehicle compartment, and may generate a control signal in res... | 08/29/2006 |
| 6965294 | Workspace security system A workspace security system having processors, sensors, and actuators for local and remote monitoring, control, and automation of physical and environmental security, safety, efficiency, and productivity. The system includes passive and active access authentication ... | 11/15/2005 |
| 6883840 | Vehicle outer handle system A vehicle outer handle system includes a handle main body formed from a synthetic resin and having a hollow grip part, and an electrode for detecting a change in capacitance. One end of the handle main body is swingably supported in a door outer panel, and the elect... | 04/26/2005 |
| 6462652 | Distributed verification, confirmation or delay time system and method A multi-unit monitoring system includes a plurality of units coupled to a communication medium. The system can also incorporate a common control element coupled to the medium. The individual units include control circuitry which is capable of carrying out... | 10/08/2002 |
| 6445281 | Dynamically controlled electronic locking system and control system fitted with such a locking system The invention relates to a dynamically controlled electronic locking system. The locking system includes apparatus (10) for entering data into the locking system, an electronic data processing circuit (12) and a locking and unlocking control system (14). ... | 09/03/2002 |
| 6271751 | Magnetic lock and status detection system and method therefor An electromagnetic lock and status detection system and method therefor includes an armature, an electromagnet, and a status detection unit. The electromagnet is magnetically attracted to the armature into a mating relationship. A relatively high inductan... | 08/07/2001 |
| 5974367 | Electronic lock system and use thereof In a preferred embodiment, with a system employing an electronic lock and electronic key apparatus, a method, including: providing as the electronic key apparatus an electronic key selected from the group consisting of a master key, and audit key, and a s... | 10/26/1999 |
| 5823027 | Electrical/mechanical access control systems and methods A retrofit electromechanical door knob assembly is adapted to fit within an aperture in a door in place of a conventional mechanical lock assembly. The retrofit door knob assembly is similar in appearance to a conventional door handle assembly, but includ... | 10/20/1998 |
| 5808555 | Lock system for a motor vehicle with electrical lock activators A vehicle lock system has individual door locks each having an actuator provided with a printed circuit board on which a microcontroller, motor driver of the lock actuator, and a multiplexing element are encapsulated, the printed circuit board being mount... | 09/15/1998 |
| 5777902 | Analyzer An analyzer constituted by a combination of a plurality of specific units selected from a large number of units, the analyzer includes a controller which allows, in response to an inputted user identification code of a user, the user to use a plurality of... | 07/07/1998 |
| 5774066 | Programmably operable system for the delayed locking/unlocking of a security installation A programmable activation system for the timed locking/unlocking of a security installation includes at least one activation module (10a, 10b) for unlocking an opening element (4) and apparatus for controlling the module to program a time value correspond... | 06/30/1998 |
| 5749253 | Electrical/mechanical access control systems and methods An access control system, comprises at least one door to a secured area, each door having a strike plate, a host computer. The access control system further comprises at least one electro-mechanical key to independently actuate a lock that corresponds to ... | 05/12/1998 |
| 5670940 | Electronic lock system with occupancy block The electric lock system operates to block access to the room when a guest key has been used and the guest is detected as being present in the room. The lock blocks access to hotel staff and provides the guest greater privacy in the room. The lock system ... | 09/23/1997 |
| 5659291 | Key-in-ignition lock reminder system A key-in-ignition lock reminder system uses a key having a transponder with an identification code. An ignition lock for receiving the key has an adjacent antenna. A door proximity switch connected to the door generates a door open signal when the door is... | 08/19/1997 |
| 5614769 | Vehicle door locking apparatus and control method therefor A vehicle door locking system comprises a control portion for performing control operations of changing positions of lock levers into locking positions and of changing positions of anti-theft mechanisms into anti-theft positions. The control portion cause... | 03/25/1997 |
| 5600302 | Vehicle-based anti-lockout system An electronic system for preventing keys from being locked inside a vehicle. An ignition or door key houses a wireless transmitter which can send a signal to lock or unlock the vehicle doors. As a driver approaches a locked car, the unlock button on the t... | 02/04/1997 |
| 5486812 | Security arrangement A security arrangement for a building comprises a control module, an alarm and a multiplicity of stations each station being actuated upon receipt of a signal from the control module, each station incorporating a detector adapted to provide a signal indic... | 01/23/1996 |
| 5438312 | Anti-lockout system An electronic system for preventing keys from being locked inside a vehicle. An ignition or door key houses a wireless transmitter which can send a signal to lock or unlock the vehicle doors. As a driver approaches a locked car, the unlock button on the t... | 08/01/1995 |
| 4942747 | Operator lockout prevention device A device for preventing an operator of a vehicle from locking an ignition key in the vehicle includes a key-in-ignition sensor switch, an open-door sensor switch, and a power door lock sensor switch. A logic circuit outputs a pulse to activate a power doo... | 07/24/1990 |
| 4848114 | Locking system for the doors of automotive vehicles An automotive vehicle has a body provided with a passenger compartment and a luggage compartment. Doors, which close the passenger compartment, carry latches which engage the body to secure those doors. While the doors have exterior handles which are conn... | 07/18/1989 |
| 4827744 | Vehicle use lock system A vehicle enabling lock system that is wireless signal controlled, includes a vehicle side main controller and external controller which is formed into a card. These controllers are in two way communication with each other via wireless signals. There is p... | 05/09/1989 |
| 4730120 | Automatic locking device for automobile door An automatic locking device for an automobile door which can automatically lock a door a few seconds after the key is removed from the ignition switch and the door is closed. The device includes a key switch for detecting the insertion and removal of a ke... | 03/08/1988 |
| 4726203 | Locking device for accessory compartments of two-wheel vehicles A locking device especially useful in locking accessory compartments of motorcycles and the like. Each accessory compartment is provided with a lock mechanism including a pressure-actuated cylinder, a locking member fixed to a piston of the cylinder, and ... | 02/23/1988 |
| 4652862 | Surveillance and control system for emergency exists installed in a building A building has at least one security guard post to control the secured building exits, each of which has an unlocking instrumentality, without forbidding their emergency use. When activating the unlocking instrument to open a secured exit, there is a tran... | 03/24/1987 |
| 4572320 | Automatic door lock prevention system A system to prevent an automobile door from being locked while the key is in the ignition switch and the driver is outside comprising an electric circuit including a switch on the ignition lock that is closed when the key is in the lock, a switch on the d... | 02/25/1986 |
| 4562343 | Recodable electronic lock Recodable electronic lock where the coding unit which contains the code and/or other readable information preferably is removed from the lock after the recoding operation. The lock is coded by help of input of information and brought to accept recoding to... | 12/31/1985 |
| 4541258 | Latch, in particular for an automobile vehicle door Devices for controlling the unlatching and locking of the latch are hydraulic. Connected to a single unit having a plurality of slide valves are an expansion vessel, transmitting pumps controlling the unlatching, a receiving unlatching fluid motor and one... | 09/17/1985 |
| 4360074 | Hydraulic anti-theft device A hydraulic anti-theft locking device is provided for backhoes and other construction machines which may be set to render the machines inoperable and incapable of movement. The locking device includes an assembly of rotary flow control valves that must be... | 11/23/1982 |
| 4353230 | Combination controlled fluid pressure actuated door lock A fluid-actuated locking device for the doors of dwellings or offices or for armored doors having a plurality of tubes for the flow of a fluid supplied from a reservoir, which fluid may either be pressurized to operate a lock or may flow back through the ... | 10/12/1982 |
| 4322959 | Locking means for a trunk in an automobile A locking means for a trunk in an automobile is disclosed which can be unlocked by the rotation of a key inserted in a key cylinder of the trunk and which comprises a first switch provided at a proper location in the room of the automobile to open and clo... | 04/06/1982 |
| 4187704 | Hydraulic locking system A vault door lock of a combination type that operates on fluid pressure. The locking system has a master control valve assembly mounted on the rear face of the vault door and operatively associated with variously positionable dials mounted on the front fa... | 02/12/1980 |
| 4019763 | Safety locking mechanism A safety lock for a centrifuge prevents the opening of the rotor housing if the rotor is in operation and conversely prevents the rotor from being operated if the rotor housing is not latched and locked. A plunger linked to a cam follower is used to lock ... | 04/26/1977 |
| 4012583 | Pay TV control system A simple recyclable key and locking system for enabling a pay TV converter is disclosed. The key is a small tag such as might be attached to the room key of a hotel room and is to be turned in with the room key. The TV viewing key is inserted into a locki... | 03/15/1977 |
