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7619181 |
Heating system for bathing unit
A control system suitable for use with a bathing unit system having a water receptacle is provided. The control system comprises a heating module, a power source and a controller in communication...
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7595570 |
Solid state pressure switch
A pressure switch employs a Wheatstone bridge incorporating piezoresistive elements. The output of the bridge is monitored by a control circuit which produces a first control signal when a high...
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7592913 |
Wireless AV lighting fixture with auto sensor
A wireless AV lighting fixture with automatic sensor includes a sensor, a light-emitting device, a camera, a connection port, a wireless remote-controlled unit, and a memory. The sensor is a...
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7589299 |
Electronic power control for cooktop heaters
In one aspect, a cooktop heating system that include a first cooktop heating element, a second cooktop heating element, and an interface device. The system also includes a controller for...
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7586064 |
Method and system for providing thermostatic temperature control in an integrated circuit
A method for providing thermostatic temperature control in an integrated circuit is provided that includes internally heating the integrated circuit until the integrated circuit reaches an elevated...
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7573158 |
Portable electrical appliance with object sensing assembly
A portable electric appliance includes a housing, an electrically operable element positioned within the housing, a transmitter adapted to transmit a beam of radiation, and a receiver responsive to...
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7569950 |
Enhanced structure of plug switches
The invention discloses an enhanced structure of plug switches, comprising a housing; a plurality of emitting units disposed on the housing; a plug switch unit disposed on the housing and at least...
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7565258 |
Thermal sensor and method
In one embodiment, an apparatus is constituted with a temperature sensing circuit adapted to be coupled to a current sources circuit, and configured to measure a circuit temperature and to generate...
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7541697 |
Systems and methods for lighting control in flight deck devices
Systems and methods for illuminating flight deck devices are disclosed. In one embodiment, a flight deck panel illumination system includes at least one illuminated panel having at least one...
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7504747 |
Safety switch for reliably switching off a dangerous device
A safety switch for reliably switching off a dangerous device has an actuator which can be moved between a first position and at least one second position. It also has a detector for detecting the...
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7488921 |
Adaptive startup control method for electric drives
A controlled start up technique may eliminate the excessive peak junction temperature by controlling the speed of the electric device. Lower speed may result in reduced power to the load. Reduced...
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7408134 |
Programmable switch
A sensor circuit provides a signal to a microcontroller to indicate parameters of an environmental condition to which the sensor circuit is exposed, such as temperature. The sensor circuit and...
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7382272 |
System, a tool and method for communicating with a faulted circuit indicator using a remote display
Provided is a system, a tool and a method for communicating with a faulted circuit indicator (FCI), the faulted circuit indicator including a detection circuit for monitoring an electrical...
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7332692 |
Redundant control circuit for hot melt adhesive assembly heater circuits and temperature sensors
A redundant control circuit comprises a pair of heater circuits for heating a hot melt adhesive hose assembly to a predetermined temperature level, and a pair of temperature sensors which are used...
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7326887 |
Modified reset motor protector
A self-hold motor protector ( 10 ) has an open metallic housing ( 12 ) in which a thermostatic disc ( 14 ) carrying a movable electrical contact ( 18 ) is cantilever mounted. A heater seat plate (...
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7282818 |
Power hand tool having a proximity detector
The present invention provides a power tool with a hand proximity detector to detect the hand of an operator and a trigger circuit operable with the detector to control the operation of a light in...
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7258575 |
Light sense controller
A light sense controller uses a light sensor to sense light variations, and then turns a socket on or off in response to the light levels for controlling household appliances coupled the socket....
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7250695 |
Controlling power supplied to a circuit using an externally applied magnetic field
A power control circuit is used to control the power supplied to a circuit from a power source. The power control circuit is operable to connect and disconnect the power source from the circuit....
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7242113 |
Power semiconductor device
A power semiconductor device which makes a heat come hard to arise in a particular element and is able to control an increase of the amount of a power loss caused by a tail current, even in case...
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7180038 |
Device for switching on and off several heating mechanisms of cooking equipment as well as cooking equipment with such a device
A control is provided for switching on and off two heating devices of a hob forming a hotplate. In cyclic manner the continuous energy or power generation level can be adjusted by an energy control...
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7155317 |
Occupant Counter Control Switch for automatic turning on and off electrical appliances in a room
A provided smart switch called Occupant Counter Control Switch, or OCCS, basically comprises of a motion sensor PIR, a photo sensor, an amplifier with band-pass filter, a microprocessor, a digital...
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7135957 |
Universal garage door operating system and method
A universal garage door operating system and method. In one embodiment, a vehicle transmitter is provided transmitting a wireless garage door transmitter control signal. A control module is...
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7089736 |
Variable nozzle turbo (VNT) solenoid temperature estimator
A method of creating a solenoid temperature estimator includes operating a solenoid based on a data point including a plurality of operating parameters and determining a temperature of the...
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7034675 |
Intrusion detection system including over-under passive infrared optics and a microwave transceiver
An intrusion detection system includes a microwave transceiver detecting motion in a protected space. The microwave transceiver generates a first signal. A first infrared sensor detects a source of...
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7016744 |
Man-machine interface
A man-machine interface is provided for a domestic appliance in which remotely sensed buttons, slider bars, marker pucks and a knob are used. The sensing coils for remotely sensing the positions of...
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6987249 |
Apparatus and regulating method for electrically heating a motor vehicle
The invention relates to an electric heating system for a motor vehicle in which a PTC heating element ( 4 ) is controlled by a regulator ( 1 ) by means of an infinitely variable electronic power...
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6975047 |
Temperature-based cooling device controller apparatus and method
A temperature-based cooling device controller is implemented in an integrated circuit such as a microprocessor. The temperature-based cooling device controller includes a register to store a...
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6974934 |
Remote reference resistor
An apparatus including a reference resistor for use with ratiometric temperature sensing of a device to be sensed. The resistive element has a resistance dependant upon a temperature of the device...
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6967416 |
Shared on-chip decoupling capacitor and heat-sink devices
A method and structure for an integrated chip structure comprises a substrate having a power supply, a chip attached to the substrate, at least two decoupling capacitors attached to the chip and to...
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6912429 |
Home automation system and method
A home automation system and method for automatic control of controlled devices throughout a home. A unique architecture of occupancy sensors includes entry/exit sensors for detecting movement...
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6891284 |
Electronic timer with photosensor
A switch and method are provided for turning on and off an electrical device. The switch includes a control module, having a time module and an electrical output to which an electrical device can...
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6847300 |
Electric power meter including a temperature sensor and controller
An electric power meter ( 102 ) includes a temperature sensor ( 114 ) and a controller ( 112 ). The controller ( 112 ) is operable, based on the temperature reported from the temperature sensor (...
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6794771 |
Fault-tolerant multi-point flame sense circuit
A fault-tolerant multi-point flame sense circuit utilizes a single electronic switch to signal the presence or absence of flame to an electronic controller. Multiple flame sense electrodes may be...
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6791209 |
Power and control for power supply fans
A device is presented having at least one power supply. The power supply is connected to a power supply fan. A first power source terminal is connected to the at least one power supply. A second...
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6774505 |
Vehicle switch assembly with proximity activated illumination
The inventive vehicle switch assembly includes a switch for producing a signal to control a vehicle accessory, a light for illuminating the assembly, and a sensor for actuating the light in...
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6770985 |
In-vehicle electric load drive/controlling device incorporating power MOSFET thermal protection
An in-vehicle load drive-control circuit including a power MOSFET between connected in series between a load and a power source, said power MOSFET on/off controlling the power supply to said load,...
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6759767 |
Apparatus and method for isolating a field power source and a control power source in a controlled process
An industrial control output device is provided which provides electrical isolation between device power and field power. The device includes two isolation devices, one of which is adapted to...
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6750562 |
Fan control module for a system unit
A fan control module is provided for a system unit. The fan control module includes power outputs for supplying power to a plurality of fan. It also includes a temperature sensor for giving a...
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6743988 |
Optically controlled switches
An optically controlled switch includes first and second electrodes, a channel extending between the electrodes, and a light source positioned to illuminate the channel. The light source produces a...
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6707172 |
Self-normalling jack with electronically controlled normal circuit or relay
A self-normalling jack with an electronically controlled normal circuit or relay comprising a pair of receptacles having a sensing means for sensing the insertion of a plug, the sensing means in...
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6630748 |
Load control apparatus and method having single temperature detector
A load control apparatus, in the form of a hybrid IC, comprises a microcomputer, control IC, and a plurality of MOS transistors. The control IC comprises only one temperature detection circuit for...
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6600241 |
Method and apparatus for compensating for ionizing radiation induced threshold shift in metal oxide semiconductor field effect transistors
A compensation circuit and method for compensating for the threshold shift in an irradiated MOSFET. The method determines the gate threshold voltage to body voltage relationship to vary the body...
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6587051 |
Power converting apparatus and burglarproof method therefor
As the application range of solar power generation systems widens, a number of relatively compact and lightweight inverters must be installed outdoors. However, an inverter has no burglarproof...
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6566819 |
Touch operated control system for electrical devices
A touch operated control system is provided that advantageously provides enhanced functionality, including a programmable timer that sets a light coupled to the dimmer to OFF after a predetermined...
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6555935 |
Apparatus and method for fast FET switching in a digital output device
An industrial control output device is provided which provides electrical isolation between device power and field power. The device includes two isolation devices, one of which is adapted to...
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6552441 |
Electronic control unit for a motor vehicle
A control unit has a circuit support, on which electrical and/or electronic components of an electronic circuit of the control unit are disposed. The circuit support is composed of a...
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6525478 |
Device for checking the evaluation circuit for automatic switching operations of illumination device in vehicles
A device for checking the evaluation circuit for automatic switching operations of the illumination devices in vehicles. A sensor device contains a global sensor for detecting the light conditions...
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6522258 |
Garage door status light system
A garage door status light system comprises a garage door. The garage door is movable between a raised open orientation and a lowered closed orientation. A garage door opener is provided. The...
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6509658 |
Device 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...
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6504134 |
Temperature controlling protection system for heater of wet etching device
A temperature controlling protection system for a heater of the wet etching device has a temperature controlling protection circuit and a heating ON/OFF controller, in which the temperature...
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