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7259953 Method and apparatus for modular embedded control system  
An embedded control system is provided, which includes a generically applicable computer module, display module, keyboard module, power supply module, and at least one input/output module. The...
6724607 Driving apparatus of vibration type actuator  
A driving apparatus of a vibration type actuator includes an apparatus for forming a vibration wave by applying four-phase AC signals having temporal phase differences to four-phase driving phases...
6608548 Control device with redundancy for fitting to a lock  
The present invention relates to a control device ( 20 ) with redundancy for fitting to a lock having a mechanism ( 21 ) for locking an unlocking an access door, the device ( 20 ) being adapted to...
6567255 Electromagnetic actuator  
An electromagnetic actuator with a control circuit, a combinational circuit and a power section as well as with a magnetic coil, which is connected via electrical lines to the output of the power...
6259362 System for conveying vehicle status information upon exit from a vehicle  
A system (10) for a vehicle (12), wherein the system includes transmitter components (26, 28), located at the vehicle, that are operable to send communication that conveys a vehicle system status....
6222441 Process and circuit for connecting an actuator to a line  
An improved circuit and method for connecting a device to an actuator-sensor interface ("ASI") bus. The circuit provides the proper AC and DC coupling between the device and bus during normal...
6169650 Single access control system and method  
A way of controlling access to golf cart starter keys, (referred herein as user-keys) is described. A specially coded and specially shaped key, the user-key is given to a golf cart renter once an...
6111504 Electronic equipment security and recovery system  
The present invention describes an apparatus and method for an electronic equipment security and recovery system in which the disconnection of electrical power and subsequent movement of the...
6108188 Electronic locking system with an access-control solenoid  
An electronic locking system with an access-control solenoid for controlling the operation of a locking mechanism is substantially immune to "hot-wiring." The locking system includes an actuating...
6100607 Safety method and device for full-voltage power supply to a user apparatus only when required, and control assembly comprising such a safety device  
A method of detecting a condition requiring connection of a user apparatus with a feeder line comprises the steps of low-voltage power supplying the user apparatus through a detection impedance...
6075356 Power supply control unit for a lamp  
A power supply control unit for a lamp having a luminous means and an at least partly electrically conductive lamp housing comprises a first and a second line via which a power supply signal can be...
6028760 Resonant power converter for energizing a coil  
A pulse generator is provided for energizing a coil with period bipolar current pulses for the purposes of airborne prospecting. The pulses have a generally square waveform, and the pulse generator...
5973411 Apparatus for protecting motor vehicle against unauthorized operation  
An antitheft apparatus for a motor vehicle can allow operation of an internal combustion engine of a motor vehicle to be started notwithstanding of decision of discrepancy in an engine start...
5905446 Electronic key system  
An electronic security system for controlling access to a plurality of storage locations. The system includes an electronic lock associated with each storage location, a central control terminal...
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...
5841363 Locking system especially for automobiles  
A locking system for an automobile, comprises an operating key, an operating key receptacle and an associated operating unit. The operating key and the operating key receptacle have first means for...
5781398 Dual fault tolerant actuator control system  
A dual fault tolerant control system for controlling power delivered to an actuator from a power source includes decoders which accept commands representing the length of time power is to be...
5684454 Anti-vehicle-thief apparatus  
An anti-vehicle-thief apparatus having an immobilizer unit for comparing a specific first code received from a transponder to a stored code just after an engine is started, and when these codes are...
5673017 Remote vehicle starting system  
A system for remotely starting a motor of a vehicle and also capable of operating various vehicle accessories such as alarm system, door locks, door windows, trunk latch, etc. The system comprises...
5617082 Electronic access control device utilizing a single microcomputer integrated circuit  
An electronic access control system for controlling a lock in which the inputs and outputs are multiplexed, the electrically programmable read only memory is written to and read from in a serial...
5614883 Automotive opto-electric starter interlock  
An automotive opto-electric starter interlock for use in a motor vehicle for the purpose of preventing the engine from being remotely started unless the transmission is in neutral. The starter...
5530615 Method and apparatus for enhancing relay life  
An electronic control for gas furnaces controls a two speed main blower fan and an induction draft fan based on 24 volt input signals from a room thermostat, a high limit and an ignition control...
5508569 Battery driven equipment having a locking mechanism  
Disclosed herein is a battery driven equipment including an equipment body, a battery pack detachably mounted in the equipment body, a locking mechanism for releasably locking the battery pack with...
5479151 Electromagnetic door lock with on-board programmable access control  
An electromagnetic door lock system employs an on-board microprocessor which is mounted in the housing for the electromagnet. The microprocessor is pre-programmed with possible operating parameters...
5410444 Electronic control system for a locked drawer  
An electronic control system (10) for use in controllably unlocking a locked drawer. Portions of the system (10) are located in the vicinity (12) of the locked drawer and portions are located in a...
5402303 Remotely-powdered and remotely-addressed zero-standby-current energy-accumulating high-power solenoid drivers, particularly for systems that are micropowered  
One or more loads, commonly solenoids, requiring a high-power drive--typically 500 ma. 7.5 v.d.c.--are selectively actuated by energy that is accumulated over time--typically over several hundred...
5397929 Integrated outlet for communications and electrical power  
The present invention relates to an integrated outlet that allows supply of AC power to an outlet receptacle when certain conditions are satisfied. The integrated outlet contains separate modules...
5270900 Solenoid response detector  
An apparatus for energizing the coil of, and detecting the resultant armature actuation in, a solenoid of the type having a movable armature reciprocable along an axis between first and second...
5252960 Secure keyless entry system for automatic garage door operator  
A secure, keyless secondary transmitter unit for use in an automatic garage door operator transmits a code set by a code setting device as modified by digits entered at a keyboard. A controller...
5138986 Internal combustion engine starting control to prevent unauthorized starting  
A novel machine with an internal combustion engine, and practical use-control means to prevent an unauthorized person from starting such engine, and anti-bypass means to prevent a knowledgeable...
5041810 Antitheft device for an automobile  
Automobiles such as a cash carrying car, truck, police car and so on, are prevented from being ridden away during loading or unloading cash or goods or being robbed by robbers after having been...
5021916 Theft deterring security system for attachment to powered appliances  
A security device intervenes in the primary power input connection to an existing appliance. The user must set numbered thumbwheels to a correct numerical sequence preset through those same...
4964014 Solenoid valve driver  
A solenoid current control system includes a microprocessor which periodically generates a desired peak current value and which energizes the solenoid coil. Current through the coil is sensed via a...
4945210 Card controlled soldering iron temperature control device  
A card controlled temperature control device for soldering iron in which only a specific person can set and control the tip temperature of the soldering iron. The device comprises a card having a...
4928098 Method for code protection using an electronic key  
In a method for code protection of an electronic key, a plurality of codes n are stored in a transmitter and in a receiver and a new, coinciding code is automatically set in the transmitter and in...
4918566 Electronic control of solenoid operated circuit breakers  
An electronic controller, connected to a digital communication network, is responsive to commands from a master controller to control solenoid operated circuit breakers. The electronic controller...
4916333 Binary logic level electrical detector namely to prevent the detection of secret codes contained in a memory card  
To prevent fraudulent action by ill-intentioned users, the detection of the secret codes, contained in a memory card with MOS integrated circuit and transmitted to an input/output unit, is...
4896246 Electronic lock with energy conservation features  
Battery power in an electronic lock system is conserved by delaying application of energy to the unlocking mechanism until a movable member, used to open the lock system, is moved.
4888575 Device having a modifiable code for protecting against theft of automobile vehicles  
The device can be applied to vehicles provided with an electronic control device for the vehicle engine. The protecting device for includes a keyboard for entering a user's code, a microprocessor...
4868409 Vehicular anti-theft system  
A vehicular anti-theft system which combines a mechanical key and an electronic key involving a code light signal. A light emitting element is provided in a casing attached to a base end of the...
4809199 Keyless access and engine control system  
A keyless marine access and engine control system. The system is caused to change from a dormant state to an enabled state when a sequence of actuation signals entered through a keypad matches data...
4796151 Ignition system for vehicle  
An ignition system for vehicle includes switching means which is turned on in response to a given code input. The switching means may be connected in a supply line which provides a connection...
4788623 Key operated mechanism for producing coded signal combinations for selecting a function of a multifunctional device  
This invention pertains to a key operated mechanism for producing coded signal combinations for selecting a function of a multifunctional device. The mechanism includes a plurality of magnetically...
4742426 Electronic locking apparatus  
A battery powered electronic lock includes a control for indicating low battery voltage and reserving a portion of the battery's energy for operating the lock upon insertion of maintenance or...
4723121 Electronic locking apparatus for motor vehicles  
A simple and economical, yet tamper-proof, electronic locking apparatus for motor vehicles features an electronic key and an electronic lock, which each contain a synchronized, constantly...
4697171 Electronic lock and key  
An electronic lock and key includes an electronic key which produces a specific electric signal such as a frequency signal, photo signal or logic signal when inserted into the key holder of the...
4679031 Device to facilitate the arming of an alarm system and to provide lock-out protection  
A burglarproof device which can facilitate the activation of an alarm system and can provide lock-out protection. It uses a set of correct-signal generating reed switches and a set of...
4656850 Electric lock  
An electric lock comprising a solenoid which has a permanent magnet for attracting a plunger and an electromagnetic coil which is positioned adjacent the permanent magnet so as to control the...
4654745 Electronic access control system for use with conventional switch plates and boxes  
An electronic access control system is provided including a two dual button self contained sequential code device that can be accommodated in a standard wall box and used in conjunction with a...
4652860 Security installation  
A security installation with a portable transmitter and a receiver arranged at the object to be protected for an IR, respectively, UHF code signal which is changeable at least in part; alone the...
Matches 1 - 50 out of 256 1 2 3 4 5 6 >