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7405648 |
Remote control wiring mechanism
There is provided a remote control wiring mechanism, which makes it easy to construct a system by facilitating a connection work and treatment of members constructing the system. A main unit...
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7330345 |
Valve control method for circuitry for power generation systems
A fail-safe control system for controlling valves in power generation systems is presented. The AC-coupled, rectified signal supplied to one valve is disabled in the event that the other valve...
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7310032 |
Remote controlled circuit breaker switch handle engagement apparatus
A remote controlled circuit breaker switch handle engagement apparatus is provided. The apparatus is adapted to be removably attached across a circuit breaker face-plate of a traditional...
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7067940 |
Submarine branching unit having asymmetrical architecture
A branching unit for use in submarine systems that includes a ground termination; first, second, and third cable terminations each coupled to a power feed line of a respective submarine cable; a...
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7023683 |
Electric relay control circuit
A circuit and method for controlling two or more electric relays, wherein at least one of the relays are rated to handle a higher voltage level while at least one of the relays are rated to handle...
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6943540 |
Multiple-channel solenoid current monitor
An arrangement for monioring multiple channel solenoid currents wherein a plurality of separately controllable solenoid coils are coupled commonly by a single current measurement element to one...
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6917506 |
Control apparatus for master/slave outlets
A control apparatus for master/slave outlets having a current sensor, a driver, a large current switch component and a direct-bucking type power supply such that the working power source required...
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6895187 |
Branching unit and system for underwater optical communication
A branching unit, for use in optical communication systems, has three branches A, B and C each including a connection for a power feed and several inputs/outputs for optical fibers. Optical...
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6870723 |
Configuration comprising two contactors connected in series
An arrangement includes two series-connected switching contacts in two contactors. The tripping signal thereof is generated with a variable time offset so that the number of disconnection processes...
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6861931 |
Portable remote control circuit breaker system
A system for remotely manipulating circuit breakers between open and closed conditions in an electrical panel having a number of circuit breakers in a vertical array includes an activator unit...
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6765775 |
Submarine cable branching unit with current limiter
A submarine branching unit is disclosed that includes a termination for each of at least three line cables and a termination to sea ground. A relay is positioned between each pair of cable...
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6741443 |
Method of providing reliable switching for DSL relay array
A known method of addressing relays in an array is to provide two windings on each relay, wherein one winding is associated with a row drive signal and one winding is associated with a column drive...
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6741442 |
Intelligent power distribution system
An intelligent power distribution system including one or more intelligent power strips. The power strips can each include an elongated housing that may be adapted for mounting in an equipment...
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6653752 |
Switch device of theft-prevented type alarm
A switch device of theft-prevented type alarm has a first switch module controlled by a starting switch so that the first switch module is turned on when the starting switch is pressed at a first...
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6600643 |
Submarine cable branching unit with double-coil relays
A submarine branching unit including at least one power relay having two separate coils, rather than a single coil. The first coil provides an initial magnetic field capable of closing an...
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6559614 |
Electrical circuit arrangement for controlling an electromotor in a motor vehicle
An electrical circuit arrangement for controlling a unit, such as an adjustment system for windows or a sliding sunroof, that is driven by a motor and is situated in a motor vehicle. The...
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6513086 |
Signal conditioning system including low voltage and high voltage analog buses
A signal conditioning system which includes a low voltage analog bus and a high voltage analog bus. The signal conditioning system comprises a chassis having a plurality of slots, wherein each of...
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6459707 |
Relay multiplexer system and method for prevention of shock hazard
A relay multiplexing system which provides improved safety from hazardous voltage conditions. The relay multiplexing system comprises a relay multiplexer module and a terminal block which connects...
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6433991 |
Controlling activation of devices
An actuator assembly includes an operating actuator and a holding actuator that are engageable with an operator member of a device. The operating actuation is cycled between on and off states to...
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6392318 |
Programmable emergency-stop circuit
The invention comprises a programmable emergency-stop circuit apparatus and method that provides advanced functions not found in other systems. The circuit centralizes the control of high voltage...
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6388860 |
Dual switch control system
A quick stop circuit for a spring applied quick stop mechanism coupled to an electrically operated actuator includes a dual quick stop switch which includes a simultaneously operated normally open...
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6308668 |
Method for starting an electromechanical regulating device especially designed for controlling the charge cycle in an internal combustion engine
A method for starting an electromechanical regulating device especially designed for controlling the charge cycle in an internal combustion engine. The electromechanical regulating device has an...
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6266225 |
Method of programming relay based connectors
A method of programming one or more relay based electrical devices comprises the steps of selecting an electrical device to program, switching the relay from a first state to a second state, and...
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6246564 |
Activating device
An actuating device for a motor used in a power window of an automobile which can drive the motor reliably to open the window even when the automobile is submerged in water. This device has a...
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6236554 |
Electroactuator control device and method for controlling this control device
The control device comprises a piloting circuit for the electroactuators and a timing circuit which generates timing signals supplied to the piloting circuit for control of the electroactuators....
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6186743 |
Multiple pump sequencing controller
A sequential controller is provided for sequencing multiple electric loads such electric pumps. That is, for each cycle the next load is designated as the lead load in a round-robin fashion. The...
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6158618 |
Control circuit for multi-product fuel dispenser
A control circuit array for controlling operation of a plurality of multi-product fuel dispensers ("MPDs") in response to control inputs from a control input source. The control circuit array...
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6157098 |
Feed line connection circuit and optical transmission system
A feed line connecting circuit for selectively connecting first, second and third feed line connecting terminals under a predetermined current feeding condition comprises a first current detector...
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6154355 |
Apparatus and method for independently controlling multiple material applicators
An apparatus for independent voltage, air pressure, and/or fluid pressure control of multiple material or coating applicators, such as paint spray guns, includes a multiple gun control board that...
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6101082 |
Control circuit for an electromagnet
Control circuit for electromagnet with two coils used to determine a call phase and a hold phase, and powered from a DC power source. The energy source comprises a current generator and a capacitor...
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6091596 |
Contactor and controller for a contactor
A contactor comprises first and second armatures which are urged towards contact-making positions by first and second windings, respectively. Each of the armatures displaces the other armature from...
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6075690 |
Relay multiplexer system and method for improved debounce of relays
A system and method for controlling relays. The method may comprise receiving one or more input commands for a plurality of relays, with the plurality of relays including a first relay, and a last...
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6046900 |
Solenoid driver circuit for use with digital magnetic latching valves
A driver circuit having logic circuitry which controls the coil and assoced contacts of a four pole double throw relay. The four pole double throw relay is toggled such that a large latching...
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6031709 |
Switching multiplexor arrangement of relays for balancing thermal offset
A switching multiplexor arrangement of relays having configuration flexibility and operative for balancing thermal offset of the relays Accumulated thermal offset of the relays along the various...
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6025656 |
Electrical circuit for automobile lights
An automobile electrical circuit including a battery, turn signal switch, flashers, parking light switch, brake switch, relays, and front and rear lights. In the daytime or at night, the high...
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6005763 |
Pulsed-energy controllers and methods of operation thereof
Pulsed-energy controllers and methods of operation thereof for driving inductive loads such as the actuator coil or coils of electromechanical actuators. The controllers utilize an inductor through...
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5982052 |
DC power control of switching devices
A system for controlling the connection of power from a main supply (11) to electrical devices (22) by way of switching devices (19). The system includes a low voltage, direct current power supply...
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5953197 |
Method for operating a replay arrangement to reduce noise due to acceleration
A method is described for operating a relay arrangement having a magnetic circuit comprising two excitation core each arranged on a core, a yoke and an unstably mounted armature, two contact...
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5929540 |
Switching circuit for switching the mode of operation of a subterranean probe and method of switching
A switching circuit for use in a subterranean probe for switching between to two modes of operation used to perform a survey of a well borehole. The switching circuit comprises a first voltage bias...
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5909348 |
Fault current recognition circuitry
A circuitry for detecting a fault current or leakage current on the supply line of an electronic circuit includes a current source which is rated for a maximum allowed fault current or leakage...
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5909352 |
Alternator circuit for use in a liquid level control system
An alternator circuit for alternately operating one of first and second electrical load devices which uses a magnetic latch relay to perform the alternation. The circuit includes a first circuit...
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5909353 |
Circuit arrangement for mutually independant switching of several inductive switching units in paralell
A circuit arrangement for independently switching the induction coils of several d.c.-operated solenoid valves connected in parallel that, with a reduction of power loss, features a disconnection...
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5892650 |
Solenoid valve driving device
A solenoid valve driving device includes a bypassing current path of which one end is connected to a point between a first switching device and a first solenoid valve and another end is connected...
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5889645 |
Energy preservation and transfer mechanism
An arrangement for driving actuator coils for two or more driven devices employs a microprocessor or similar controller and an actuator driver circuit. The actuator driver circuit controls two or...
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5880954 |
Continous real time safety-related control system
A safety-related control system (SRCS) designed to safeguard personnel operating hazardous production equipment. The SRCS integrates the safety-related part of a machine into one homogenous system...
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5877931 |
Device for controlling inductive loads, in particular of injectors of an internal combustion engine injection system
The control device has a drive circuit, in turn having a number of modular circuits--one for each inductor--activated selectively and receiving timing signals, and a common circuit connected to the...
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5861685 |
Pump and master valve circuit isolator apparatus
A circuit isolator apparatus for use with pump or master valve circuits having a plurality of controllers connected thereto. One isolator apparatus is used in association with each controller. The...
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5821876 |
Communication interface for bus connected circuit breakers
The present invention provides a circuit breaker control arrangement that is reliable, accurate and cost-effective to manufacture, install and maintain. This circuit breaker arrangement also...
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5811892 |
Power supply system including mechanical output switches for use with a plurality of display tubes
A low voltage power inverter utilizes reed switches to control a number of display tubes. The reed switches are controlled by magnetic coils or permanent magnets. The magnetic coils receive a...
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5812424 |
Relay control circuit
A relay control circuit is provided to perform on/off control on multiple kinds of relays, each having a different operation speed, which are contained in a source-voltage supply circuit which is...
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