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9041315 Lighting apparatus  
Provided is a lighting apparatus that may form and control a multi-zone of a plurality of lighting devices connected to a wireless network. The lighting apparatus may include a plurality of...
8944162 Ambient-activated switch for downhole operations  
An apparatus includes a radiation source to output radiation after power is supplied. The apparatus also includes a power source to supply power. The apparatus includes an ambient-activated switch...
8878497 Image processing apparatus  
An image processing apparatus, including: a rechargeable battery that includes a temperature detecting terminal from which temperature status of the rechargeable battery is obtained; a connector...
8872387 Non-contact selection switch  
The present invention relates to a non-contact switch which is used for an elevator or general automatic doors, and comprises: buttons B including a push button or an optical sensor button for...
8836522 Safety shut-off device and method of use  
A safety shut-off system and method for eliminating power to a load in the event of smoke detection. The system may comprise a device located at the appliance for detecting a signal from a smoke...
8810073 Selecting a power path based on temperature  
This document discusses, among other things, a method for a portable electronic device comprising measuring a temperature of the portable electronic device and switching a power path for the...
8810360 Method and apparatus for controlling the status of a device  
The status of a device is controlled by detecting (403) the presence of a user; changing the status of a device to a first state (405) if the presence of a user is detected within a first,...
8791602 System and method for controlling a solar panel output  
A control system includes a control module and one or more input sources. The control module is coupled to an output of the solar module in order to operate the solar panel so that an output of...
8779670 Lighting device, lighting control device and lighting system  
A lighting device includes a pyroelectric sensor, a shutter and a lighting control unit. The lighting control unit is configured, when the lighting load is turned off, to turn the lighting load on...
8760280 Method and apparatus for communicating with non-addressable notification appliances  
A non-addressable fire alarm system, with a fire alarm control panel and one or more non-addressable devices, is provided. The fire alarm control panel sends a broadcast command to the one or more...
8754550 Self-contained apparatus/automatic door having a non-contact sensor switch assembly  
A non-contact sensor switch assembly includes a switching transistor adapted for switching on/off the supply of a power supply to the control unit of an automatic handwash dispenser, automatic...
8729730 Automatic transfer switch with transfer inhibitor  
Apparatuses and methods for providing a capability to prevent an automatic transfer switch from automatically switching from a primary to a secondary power source are illustrated. The automatic...
8692416 Overload protection of a voltage reduction device  
A system for reducing the voltage of an AC electrical supply to a load for the purpose of energy efficiency, comprising a transformer and power converter in circuit between an AC electrical supply...
8686596 Fuse box system and method  
A fuse box system and method providing for visual and/or remote sensing of interrupted fusing elements is disclosed. The system incorporates LEDs and/or remote sensing apparatus to permit...
8659188 Distributed power harvesting systems using DC power sources  
A method for maintaining reliability of a distributed power system including a power converter having input terminals and output terminals. Input power is received at the input terminals. The...
8634988 Time, space, and/or wavelength multiplexed capacitive light sensor, and related methods  
In certain example embodiments, techniques for operating vehicle lights are provided. A capacitive light sensor is configured to sense a presence and intensity of light over at least one...
8575783 Solar panel as infrared signal receiver and processor  
This invention is to control and monitor a solar module by optical communication using solar cells in the solar module as a receiver of the incoming optical signal. The optical communication is by...
8558464 Arrangement of an outdoor light enabling ambient light detection  
An arrangement of an outdoor light enabling ambient light detection comprises an ambient light detector coupled to the outdoor light; and a user interface accessible by a user separate from the...
8536741 Thermostatically controlled terminal box and photovoltaic power generation system utilizing the same  
A system comprising a photovoltaic module and a terminal box. Two terminals of the box output voltage generated by the photovoltaic module. A thermal switch shorts the two terminals in response to...
8508135 User interface for an indoor light switch  
A user interface for an indoor light switch coupled to control an outdoor light having a sensor for controlling an on/off state of the outdoor light is disclosed. The user interface comprises a...
8482162 Two lead electronic switch system adapted to replace a mechanical switch system  
A system adapted to replace a mechanical switch with an electronic switch, without the need of additional wiring. The electronic switch includes a bridge array for sensing a characteristic, e.g.,...
8450879 Power control apparatus  
A power control apparatus comprises a transducer having an output (12,13) which is connected to a remotely activated device (25) mounted in a mains consumer unit (14). When a predefined parameter...
8410445 Human body sensing apparatus with improved accuracy  
The present invention relates to a human body sensing apparatus with improved accuracy, in which whether a moving direction of a human body is a ‘determinate entry or exit’ or an ‘indeterminate...
8350416 Transition-rate control for phase-controlled AC power delivery system  
A phase-controlled power delivery system for a load such as an incandescent lamp controls the rate of transition of an AC power waveform as a function of switch temperature or other heat-related...
8242640 Power system with light-controlled function and the control method thereof  
A power system with light-controlled function and the control method thereof, which power system comprising a light sensor module, a first microprocessor, a wireless transmitter, at least one...
8212421 Temperature dependent switching circuit  
A temperature activated switching circuit 100, comprising a temperature activated switch U1 for switching an output 102 at a threshold temperature, the temperature activated switch U1 having at...
8089180 Integrated circuit device, method of controlling operation of integrated circuit device, and method of fabricating integrated circuit device  
Disclosed is an integrated circuit device comprising a startup operation circuit (101) for carrying out processing necessary for startup and a post-startup operation circuit (102) for carrying out...
8084890 Apparatus and method for fire protection of electrical installations  
A system for detecting and preventing electrical fire includes an intake fuse box, a main distribution panel/housing, a subdistribution panel/housing, a main power circuit (MPC) connecting the...
8022578 Electric power supply cut-off circuit and liquid droplet discharge apparatus  
An electric power supply cut-off circuit comprises an IC which outputs a normal operation signal when the IC is operated normally, a switch which makes connection or disconnection between the IC...
8022570 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...
7966839 Method and system for controlling a compressor for an HVAC module  
A system for controlling a heating and cooling system for use on a machine includes a condenser, an evaporator assembly, an electric motor driven compressor, and a master controller operable to...
7952236 Control apparatus for load device, and vehicle  
A control apparatus for a load device mounted on a vehicle is provided with: a temperature sensor detecting a temperature of an inverter; a voltage sensor detecting an applied voltage of the...
7932643 Lighting control system  
A lighting control system comprises a plurality of toggle switches, a plurality of pushbuttons, a plurality of timer circuits, a plurality of relays, and a plurality of photocells to control a...
7911087 Switching system  
The switching system for reducing standby power consumed by an electrical device includes a remote control device configured to selectively emit a radio frequency signal and a switching apparatus...
7893565 Power saving hand-held electronic device  
A power-saving hand-held electronic device has a front side and a back side wherein each of the front side and the back side is provided with one light sensor, respectively, for controllably...
7884727 Wireless occupancy and day-light sensing  
A system to control energy consumption in a room uses a wireless mesh network that allows for continuous connections and reconfiguration around blocked paths by hopping from node to node until a...
7875997 Circuit interruption device  
A circuit interruption device (110) is provided in which an interruption element (112) and a fuse element (114) are configured electrically in parallel. The interruption element includes an...
7868779 Circuitry for powering on and maintaining activation of a powered off electronic component  
Circuitry for automatically powering on and maintaining activation of a powered down electronic component in a first device in RF communication with a second device, wherein the first and second...
7868746 Electrical circuit  
The invention relates to an electric circuit arrangement for generating or receiving an output signal or switched condition definitive for the effective locking condition of a door system,...
7834485 Controlling apparatus of a power converter of single-phase current for photovoltaic generation system  
A control apparatus of a single-phase power converter for a photovoltaic power generation system is disclosed, including a POS MPPT controller for calculating a rating current by applying a POS...
7804200 Photosensor circuits including a switch mode power converter  
Photosensor circuits include a relay coil configured to control application of an alternating current (AC) power source to a load. A pulse width modulator circuit is configured to generate a pulse...
7791054 Photo controller for switching a load in a hazardous environment  
A photo controller circuit for use in hazardous areas has an output switching (OS) circuit comprising an alternistor for ON/OFF switching of a load, and an optoisolator for gating the alternistor....
7786623 Power management for electronic devices  
A cordless electronic device with power management system and method is provided that includes an outer surface, a power consumption circuit operable to consume power and for use in a cordless...
7783386 Device and method for safeguarding a machine-controlled handling device  
An apparatus and method is disclosed for protection of a machine-controlled handling appliance having moving parts, having a safety sensor system for detection of objects in the working area of...
7763874 Signal detection circuit and signal detection method, and state detection circuit  
A signal detection circuit comprises: a driving power source that drives a photosensor and applies a voltage to a mechanical switch, wherein the photosensor has a light-emitting device, and a...
7761274 Temperature-based clock frequency controller apparatus and method  
A temperature-based clock frequency controller is implemented in an integrated circuit such as a microprocessor. The temperature-based clock frequency controller includes a register to store a...
7732747 Tool with contactless switch  
An electric tool has a handle, and an element for varying tool functions located in the handle and including a photoelectric cell incorporated onto the handle in such a way that if the...
7679223 Optically triggered wide bandgap bipolar power switching devices and circuits  
An electronic circuit includes a primary wide bandgap bipolar power switching device configured to supply a load current in response to a control signal applied to a control terminal thereof, and...
7663866 Remote control duo power set  
A remote control duo power set comprises one first power outlet which has one first housing, a plurality of first sockets being set on one surface of said first housing, a power cord extending...
7663457 Magnetic latch for a voice coil actuator  
Magnetically latching and releasing a voice coil actuator for controlling electrical switchgear. The voice coil actuator includes a voice coil magnet disposed on a common longitudinal axis with...