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7610119 |
Safety controller and system using same
A safety controller provides a safety output to a target controlled system such as a magnet contactor based on an input from an input device such as a safety door switch to thereby control...
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7586215 |
ID tag
When a predetermined voltage is applied between electrodes ( 302 ), metal ions deposit in a solid electrolyte ( 308 ), and thereby a conduction channel ( 310 ) is formed therein. The solid...
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7579717 |
Wall-mountable timer for an electrical load
A wall-mountable electrical timer for controlling the delivery of power from an AC power source to an electrical load, such as a lamp or a fan motor, includes: a timer adjustment actuator for...
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7579565 |
Mechanical timer switch assembly
A mechanical timer switch assembly for replacing a mechanical on/off toggle switch includes a replacement cover plate having an inner and outer side and adapted to fit over and be attached to a...
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7538455 |
Electronic device, power source control method, ROF system and its power supplying method and remote unit
Electronic devices to which power is supplied from a power supplying unit commonly connected with other electronic devices, each of the electronic devices comprising a switch unit having an input...
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7535131 |
Smart switch
A universal switch interface includes a monitored switch having an ON mode and an OFF mode of operation and connected circuitry. The circuitry includes a rising edge sensor coupled to the monitored...
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7525058 |
Light switch with automatic turn off
A “light switch” that is the most common and easiest to operate. The toggle switch, rocker switch or paddle switch, is used for turning on and off 110 volt ac lights. The switch can be preset,...
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7507977 |
System and method of ion beam control in response to a beam glitch
The present invention is directed to a switch circuit and method to quickly enable or disable the ion beam to a wafer within an ion implantation system. The beam control technique may be applied to...
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7498862 |
Switch for handling terminal voltages exceeding control voltage
A switch provided between a first terminal and a second terminal with a varying cross terminal voltage. The switch contains two transistors, with the source terminal of the first transistor being...
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7482715 |
Switching voltage supply of voltage domain of semiconductor circuit
A method of switching on a voltage supply of a voltage domain of a semiconductor circuit includes switching, initially, a first switchable element, via which elements of the voltage domain are...
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7482714 |
Preventive maintenance tapping and duty cycle monitor for voltage regulator
A preventive maintenance tapping technique includes noting a tap position of a load tap changer and noting a duration that the tap position has been held. The duration that the tap position has...
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7441727 |
Highway-rail grade crossing controller with out of service mode
An electronic controller for a highway-railroad grade crossing warning system is coupled to an approach circuit and to an island circuit and activates a warning device when a train is present in...
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7410702 |
Hole transport polymers and devices made with such polymers
The present invention is generally directed to a hole transport polymer comprising a polymeric backbone having linked thereto a plurality of substituents comprising fused aromatic ring groups, with...
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7391133 |
Hybrid switch
An electrical switching topology for a hybrid switch provides extremely low losses in both cryogenic and non-cryogenic electronic systems. In this switch having switch modules connected in...
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7378762 |
Electrical circuit for limiting switching-on current
The invention concerns an electrical circuit for limiting the switching-on current through a load during a switching-on process, comprising an electrical component which is connected in series to...
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7319282 |
Switch circuit
A switch circuit for controlling the supply of electrical power from an electrical power source to a load includes a power supply switch comprising input, output and control terminals. The circuit...
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7259950 |
Load-protection control circuit of power supply
A load-protection control circuit of a power supply, which applies to the power supply that has a maximum power-limiting function. The power supply includes a power transformation circuit which...
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7251142 |
Timer switch
The present invention discloses a timer switch that uses an integrated circuit to control the time and a self-locking electromagnetic coil solenoid valve to drive the operation of a microswitch,...
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7239045 |
Power distribution system and control system for same
A control system for a power distribution system includes electrical operators each of which has an open input, a close input and an operator member adapted to cooperate with a corresponding...
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7231262 |
Apparatus for monitoring and controlling use of equipment
Apparatus is provided for controlling and limiting the amount of time that a television, computer game, or other electrical appliance can be utilized. The apparatus is inserted in the electrical...
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7196436 |
Solid state relay for switching AC power to a reactive load and method of operating the same
A solid state relay coupleable to first and second phase busses of an AC power source for switching power from the first and second phase busses to a load including a reactive component comprises:...
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7196435 |
Solid state relay and method of operating the same
A solid state relay coupleable to first and second phase busses of an AC power source for switching power from the first and second phase busses to a load comprises: first and second power...
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7185187 |
Protected dual purpose power/enter switch apparatus and method
A protected dual purpose power/enter switch for an integrated receiver/decoder has a first relay and a second relay adapted for operative communication with a motherboard and with each other. A...
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7183672 |
MOSFET based, high voltage, electronic relays for AC power switching and inductive loads
A MOSFET based, high voltage, high current AC electronic relay includes a MOSFET switching circuit selectively switching between switch conducting and switch isolation. The relay also includes a...
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7170200 |
Starter assembly for a gas discharge lamp
The present invention comprises a unique starter assembly for a gas discharge lamp. The starter assembly comprises a main current path with a first leg connected to one electrode of a gas discharge...
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7166936 |
Method and an apparatus for controlling an electric switching device
An apparatus for controlling an electric switching device ( 1 ) for alternating current arranged in a current path for opening the switching device and for breaking the current in the current path...
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7107957 |
Protected control apparatus
A control apparatus for protected switching of a load encompasses at least two switch units in series with a load, to permit delivery of energy to a load when each switch unit is switched on and to...
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7061143 |
Actuator unit with a base actuator an additional actuator and control unit
An actuator unit includes a base actuator and an additional actuator, via which a useful circuit can be opened and closed. Given proper functioning, the base actuator can be activated by supplying...
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7042117 |
Power supply circuit for actuator of an on-board travel control device
A power supply circuit for various actuators includes control lines associated with the actuators that receive power from a single voltage increasing circuit. The power supply circuit supplies...
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7026729 |
Exhaust fan timeout system
A system for activating a load such as an exhaust fan within an enclosed area concurrently with the activation of a lamp switch and for continuing the operation of the load for a predetermined...
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7024254 |
Method for controlling a discrete system
A system and method for controlling a controlled parameter that affects a target parameter of a target zone is disclosed. The method comprises providing a feedback control loop having a switching...
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7020794 |
Interleaved delay line for phase locked and delay locked loops
An interleaved delay line for use in phase locked and delay locked loops is comprised of a first portion providing a variable amount of delay substantially independently of process, temperature and...
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7019419 |
Protecting a motherboard from damage due to installation of a higher voltage card
A motherboard is protected from burning or other damage caused by installation of card of a higher voltage than that for which the motherboard is designed, such as the installation of an AGP 2×...
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6960844 |
Electric switching device
An electric switching device for alternating current comprises two branches ( 2, 3 ) connected in parallel in a current path and having each at least two contact members ( 4–7 ) connected in...
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6919651 |
Circuit arrangement for high-speed switching of inductive loads
A circuit arrangement for switching an inductive load ( 12, 12 a-d ) with connections to a power supply source ( 11, 11′, 11 ″) by means of which an exciter voltage can be applied to the...
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6903284 |
Timed 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...
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6876166 |
Electric-motor drive
An operational check of the safety unit or the safety circuit takes place within the delay time of the relay, assigned to each motor, caused by the pick-up delay or the release delay. Also, the...
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6873120 |
Power consumption controller for pressurized gas lights
A power controller for the regulation of power consumption by gas pressurized vapor lamps includes a series of stages that steps down power being applied to the lamp without a significant loss of...
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6873110 |
Hid single light emitting point lamp tube switching device for switching lamp tube in positions of far light and near light and the method of the same
An HID single light emitting point lamp tube switching device is provided for switching the lamp tube between a far light position and a near light position. Initially, a strong current coil and a...
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6825579 |
Safety switching apparatus having a first and a second input switch and method of manufacturing the same
The present invention relates to a safety switching apparatus having a first and a second input switch, whose respective switch settings define an input-side manipulated variable redundantly with...
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6822344 |
Determination of ac path states by floating controls
An electronic control, with a floating ac power supply, that compares the digital signals produced by connections between ac circuit nodes and digital nodes to determine whether path(s) in ac...
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6804562 |
Method and apparatus for overload-free driving of an actuator
The invention relates to a method for overload-free driving of an actuator, in which an activation counter is incremented or decremented each time an activation request signal occurs, in which,...
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6777828 |
Management apparatus
A management apparatus for allowing a parent to limit the amount of time a specific user is allowed access to an electronic device. The management apparatus includes an enclosure that has an...
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6759831 |
Power supply disabler
A power supply disabler that can be retrofitted to a battery-operated device includes a resettable timer, a switch and a pair of electrodes, all of which are fitted in a thin profile case. The case...
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6750568 |
Remote controlled auxiliary lock
With an auxiliary lock operated by a built-in battery, it is desired to prevent the door from being kept locked even if the battery dies. The auxiliary lock body is provided with first and second...
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6680548 |
Electronic timers using supercapacitors
A concise electronic timer is composed of an adjustable resistor, a supercapacitor and an electromagnetic relay. After a main power is turned off, electricity supplied from the capacitor to the...
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6670727 |
Timed switch
A timed switch has a housing member, an output connecting leg connected to an appliance, and a circuit board including both a timing device and an electromagnet. The output connecting leg is...
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6664662 |
Method and device for control of an auxiliary unit in a motor vehicle
Method and device for controlling an auxiliary unit ( 10 ) in a motor vehicle by means of a device consisting of a control unit ( 40 ) and a switch ( 30 ) for switching the auxiliary unit on and...
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6661123 |
Power control circuit with power-off time delay control for microprocessor-based system
A power control circuit with a power off time delay circuit for controlling an AC power supply to a microprocessor-based system is disclosed. The control circuit includes a relay, a switch unit, a...
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6650030 |
Electrical device having a power supply unit, a transformer power supply unit and a control card for an electrical device
In an electrical device for controlling functional units and processing data, for connection to an external data network communicating signals, and for switching between quiescent and active...
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