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Class 361/166 - Plural relays or solenoids sequentially operated


Subclass of Class 361 - Electricity: electrical systems and devices
Definition: Subject matter having plural relays or solenoids as the
No. of patents: 117
Last issue date: 01/18/2011


1      
NumberTitleIssue Date
7872846Protective circuit for intrinsically safe electro-magnetic actuators, and protective circuit for intrinsically safe energy supply systems
A protective circuit (30) for intrinsically safe electromagnetic actuators operating at the voltage of a power supply approved for underground mining, for switching electrohydraulic valves in underground mining, comprising a coil (11) connected to a fi...
01/18/2011
7808764System and method for avoiding contact stiction in micro-electromechanical system based switch
A system that includes micro-electromechanical system switching circuitry, such as may be made up of a plurality of micro-electromechanical switches, is provided. The plurality of micro-electromechanical switches may generally operate in a closed switching condition...
10/05/2010
7580236Electronic device for controlling actuators
A device (1) for controlling inductive loads (111, 112), includes: several control stages (321, 322) having a bonding pad (331, 332) for an inductive load (321, 322), a receive input (301, 302
08/25/2009
7423555Human-machine interface apparatus with expanded function
A human machine interface with expanded function includes a panel and a printed circuit board. A first key apparatus electrically coupled to the printed circuit board is mounted on the panel. The printed circuit board provides an expansion interface for optionally c...
09/09/2008
7388735Current inductive timer socket
A current inductive timer socket comprises: a principle relay circuit including an output relay and a voltage input terminal, a reed relay circuit including a capacitor, a plurality of diodes, a reed relay and a resistance, a counter circuit including a DC rectifier...
06/17/2008
7336470Solenoid drive apparatus and drive method
A solenoid (30) has one end connected to the ground G and the other end connected to an N-MOS transistor (33) which applies current from a battery (31) to the solenoid (30). On the other hand, regenerative current generated when the N-MOS...
02/26/2008
7330344Method for driving actuators
A method for driving a plurality of actuators having an output stage having multiple channels, by way of whose channels boost currents are conveyed to the actuators. In this method, a check is made as to whether rising edges of multiple boost currents are present si...
02/12/2008
7324320Device and a method for magnetizing a magnet system
A device for magnetizing a magnet system preferably having several pulse-generator circuits which are mutually arranged so that their magnetic fields superimpose in a cumulative manner. Each pulse-generator circuit includes a capacitor element, a magnetization coil ...
01/29/2008
7324006Remote display ammeter for power plug or power strip
A power strip is providing including a housing coupled to a first end portion of a power supply cord, the housing having an electrical receptacle mounted thereto and connected to the power supply cord, the power supply cord having a second end connectable to a power...
01/29/2008
7321976Information processing apparatus, power supply control method for plural information processing apparatuses, and storage medium therefore
A representative computer requests performing a power-down process to other computer and notifies each of other computers of a next power-up date and time each time a power-down date and time comes, and has each power supply control device to enter the date and time...
01/22/2008
7318750Apparatus for managing multiple computers with a cartridge connector
A computer management apparatus is provided for interconnecting a user console including peripheral devices such as a keyboard, a video display unit, a mouse, and speakers for connecting to a plurality of host computers, selectively accessed via the user console (â€...
01/15/2008
7268998Ganged outlet power distribution apparatus
A power distribution unit is provided that may be used to distribute power to a plurality of electronic devices. The power distribution unit may have one or more outlet gangs with integral components providing a plurality of individual power outlets. Each outlet gan...
09/11/2007
7248453Circuit and method for controlling current flow through a solenoid
A solenoid control circuit that includes two switching networks that are selectively opened and closed in a current limit cycle to control the magnitude of the current flowing through the solenoid. The configuration of the switching networks is such that current flo...
07/24/2007
7196900Adaptable rack mountable power distribution apparatus
Embodiments of a power distribution apparatus that is adaptable to be readily mounted within a variety of differing types of electronic equipment racks are herein described. One such embodiment provides power distribution apparatus having an upper mounting adapter. ...
03/27/2007
7171461Network remote power management outlet strip
A vertical-mount network remote power management outlet strip embodiment of the present invention comprises a long, thin outlet strip body with several independently controllable power outlet sockets distributed along its length. A power input cord is provided at on...
01/30/2007
7141891Intelligent 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 rack. The housing can include a first end, a second end and plurality of ...
11/28/2006
7075769Next connect electrical receptacle assembly
An electrical assembly including a plurality of electrical modules, each of the plurality of electrical modules being sequentially electrically connected to at least one other of the plurality of electrical modules. Each of the plurality of electrical modules includ...
07/11/2006
7067940Submarine 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 re-configuration relay in series between the first cable termination an...
06/27/2006
7043543Vertical-mount electrical power distribution plugstrip
A vertical-mount electrical power distribution plugstrip comprises a long, thin plugstrip body with several power outlet plugs distributed along the length of one face. A power input cord is provided at one end, and this supplies operating power to each of the power...
05/09/2006
7023683Electric 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 a lower voltage level. A controller selectively activates the relays ...
04/04/2006
6967549Method and apparatus to control modular asynchronous contactors
A modular asynchronous contactor assembly includes a contactor for each phase or pole of an electrical device. The contactor assembly is applicable as both a switching device and an isolation or load protection device. As such, each contactor is constructed so that ...
11/22/2005
6961856Personal computer protection device
A personal computer protection device for disconnecting a computer system from a communications channel during power down periods. The personal computer protection device includes a power sensor for sensing power drawn by the computer system, an input port for conne...
11/01/2005
6956728Method and apparatus to control modular asynchronous contactors
A modular asynchronous contactor assembly includes a contactor for each phase or pole of an electrical device. The contactor assembly is applicable as both a switching device and an isolation or load protection device. As such, each contactor is constructed so that ...
10/18/2005
6943654Method and apparatus to control modular asynchronous contactors
A modular asynchronous contactor assembly includes a contactor for each phase or pole of an electrical device. The contactor assembly is applicable as both a switching device and an isolation or load protection device. As such, each contactor is constructed so that ...
09/13/2005
6943540Multiple-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 side of a current supply. ...
09/13/2005
6917506Control 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 by the master/slave equipment can be supplied stably. Further, the con...
07/12/2005
6914765Relay, relay unit and electrical junction box
A relay, a relay unit and an electrical junction box are disclosed as including a plurality of relays (2A˜2D), each of which includes a pair of switch connector circuit components (5a˜5d, 6a˜6d...
07/05/2005
6903284Timed switch control for electric devices
A power switch control unit for controlling the operation of a controlled electric device connected to the unit includes a housing having a timing mechanism therein; a power cord having a plug on one end thereof, for connection to a power supply, and having the hous...
06/07/2005
6850402Circuit and method for controlling current flow through a solenoid
A solenoid control circuit that includes two switching networks that are selectively opened and closed in a current limit cycle to control the magnitude of the current flowing through the solenoid. The configuration of the switching networks is such that current flo...
02/01/2005
6822201Laundry dryer
A laundry drier has a heater control circuit for controlling the drive of a heater using one of a plurality of high voltages, using a switching circuit realized by a form C contact relay provided between a current-buffered microcomputer output and plurality of heate...
11/23/2004
6741442Intelligent 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 rack. The housing can include a first end, a second end and plurality of ...
05/25/2004
6738250Latchable relay
A solenoid-actuated latchable relay is controlled by a microprocessor that turns on at least one triac to selectively energize a solenoid coil with a desired polarity energization signal. The triac is only operated momentarily so that a single energization pulse is ...
05/18/2004
6735069Solenoid driver circuit
A solenoid driver circuit includes an idling control portion for applying a very low voltage less than an activation threshold value to a solenoid from a switching circuit; a computing portion for computing the resistance value of the solenoid with the current value...
05/11/2004
6724606Single-winding dual-latching valve actuation solenoid
A solenoid with two magnetically separate yoke regions, providing two distinct armature latching positions, is driven by a single effective winding. In one embodiment, the yoke regions consist of U-cores on either side of the armature and a single winding consisting...
04/20/2004
6687112Control system for an electrostatically-driven microelectromechanical device
The present invention relates to a control system for an electrostatically-driven microelectromechanical device, which uses multiple electrodes to control the microelectromechanical device, i.e. the lower driven electrode of a capacitor with known two par...
02/03/2004
6611416Safety relay circuit for large power contactors
An apparatus and method for monitoring main contacts and auxiliary contacts of a power contactor is disclosed. The apparatus includes four circuits, the first of which has an on state in which a coil of the contactor is energized, and an off state. The fi...
08/26/2003
6559614Electrical 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 arrangement guarantees that, in the case of a short-circuit of circu...
05/06/2003
6509658Device for the automatic shut-off of equipment's stand-by power
The present invention relates to a device for the automatic shut-off of equipment's stand-by power which can switch on or off the power for a set of electric and electronic appliances and can reduce the power consumption in a state of waiting for use. The...
01/21/2003
6507472Transmission control circuit
A transmission control circuit 10 which is adapted for use with an electronically controlled transmission having several transmission control solenoids 12, 14 and 16 and a selectively positionable gear selector 18. Circuit 10 includes a conventional contr...
01/14/2003
6431155Electromagnetic fuel injector and control method thereof
An electromagnetic fuel injection valve in an engine injects fuel by opening/closing a fuel flowing path with a valve element. A controller controls opening/closing of the fuel flowing path and changes magnetic force generated by a control coil driving th...
08/13/2002
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