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Document Title |
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8148851 |
Simplified lighting control system
The invention offers an improvement in lighting control systems by providing a simplified power switching control system (i.e., using direct AC line voltage or DC current power switches instead of...
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7964997 |
Lighting apparatus
A lighting apparatus comprises a power unit, a fan unit, a charging unit, a light source unit and a control unit. The power unit receives power from an external power source. The fan unit is...
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7960872 |
Side illumination light emitting diode lighting device
The present invention discloses a side illumination LED lighting device which includes at least one semiconductor light emitter mounted on a thermally conductive substrate and positioned within a...
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7813131 |
Modular outdoor LED power supply
The main objective of the present invention is a modular outdoor LED power supply disposed inside or outside of an outdoor LED light or an LED device so as to decrease the distance between the...
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7808767 |
Control unit
A control unit includes an input terminal and an output terminal for a signal to be controlled, a control input terminal and a control output terminal for a control signal, variable capacitors...
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7672760 |
Searchlight
A searchlight (3) on board a vessel (1) arranged for illuminating a point (2p) and maintain said point (2p) illuminated regardless of the movements of said vessel (1).
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7531922 |
Method and apparatus for using lighting to perform facility-wide power factor correction dimming and remote functions and to communicate with a building control system over a power line communications method(s) which can be programmed after manufacture
Electronic lighting ballast in a facility intentionally presents a non-unity power factor load to an inductive or capacitive power supply, such a capability being used to correct the power factor...
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7499261 |
Load control device having a split enclosure
A load control device is adapted to be installed in an electrical wallbox having a barrier. The load control device comprises a split enclosure having first and second enclosure portions spaced...
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7385310 |
Electronic ballasts which can be connected in parallel on the basis of the type of lamp
The invention relates to the supply of lamps (8″, 8′″) of at least two different lamp types, of which a first lamp type (8′″) has a wattage which is approximately a whole multiple of the wattage o...
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7276818 |
Energy-saving drive apparatus for DC loads
Energy-saving drive apparatus for DC loads including a blocking oscillator, an amplifier, an AC-DC-converter, a voltage comparator, a current comparator, and a signal feedback circuit. The DC power...
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6727601 |
Motor vehicle headlight with ignition device
The invention concerns a motor vehicle headlight with an ignition device (3) for generating an ignition voltage for operating a light (4). The headlight has a safety device 1 for protection from...
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6388345 |
Corner light switch assembly
A corner light switch assembly to be mounted against a corner edge of a wall corner at a predetermined location and vertical height. The corner light switch assembly includes 1) a main switch body;...
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6256909 |
One plug system for a snowplow
An external electrical connector for connecting one or more components of a snowplow blade unit. The electrical connector includes two housing components that are securable together. Each housing...
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6020692 |
Marco lamp life extension in installation for ADI, AEI
A circuit for use with optical inspection lamps, e.g., tungsten-halogen or Marco lamps, in semiconductor fabrication machines performing ADI and AEI operations, that will lower the operating...
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6008551 |
Light control keyboard
A portable light control keyboard for electrically energizing illuminating devices using piano keys, wherein each piano key, when depressed, activates switches so as to provide power to a...
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6005308 |
Electrical switch and dimmer control device
An electrical switch and dimmer device for controlling current applied to a load comprises a bezel assembly (16) which includes a bezel housing (17), a switch actuator (18) and a dimmer actuator...
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5932973 |
Multifilament lamp, a method for varying its brightness and control and operating circuit therefor
An incandescent lamp has an attachment for connection to a two-wire electrical power line and a bulb containing a radiating element. At least two filaments are housed in the bulb and constitute the...
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5889339 |
Controller and control device for a low-pressure fluorescent lamp
A control device for a fluorescent lamp comprises two independent circuits based on a power transistor and a switching control circuit, series-connected between a high voltage and the ground. The...
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5819405 |
Method for rapidly wiring electrical loads
Plug-in connectors primarily intended for connecting lighting fixtures into system circuitry, the connectors include selector mechanisms which allow selection of a hot conductor or conductors...
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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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5763964 |
Distributed neon power supply system
A high frequency power supply for distributed luminous tube signage including a master power unit and one or more slave units. The master unit includes a digital oscillator, controller, and...
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5751115 |
Lamp controller with lamp status detection and safety circuitry
A ballast includes safety circuitry which senses lamp status through various phases of ballast operation. According to one feature, the ballast is prevented from supplying an output voltage upon...
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5751116 |
Apparatus to retrofit an HID light fixture
An apparatus for retrofitting an HID light fixture is described in several embodiments. The apparatus is coupled in series with the secondary winding and the HID lamp of the HID light fixture. A...
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5714808 |
Touch control supply system for an electrical device, method of implementation and applications
A system for supplying at least one electrical apparatus with a touch control. The system may be utilized in a home automation system for supplying electrical equipment, e.g., light bulbs, motors,...
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5675193 |
Manual override mechanism for automatic switching circuit
A manual override circuit for use in commercial and household electronic devices. The override circuit may employ as little as a single integrated-circuit operational amplifier, two capacitors,...
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5616971 |
Power switching circuit
A power switching circuit includes a power switching NPN transistor (1) having its collector electrode coupled to a reference potential terminal (17) and its emitter electrode coupled to an output...
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5600187 |
Electronically controllable capacitors using power MOSFET's
An electrically controllable variable capacitor includes the interelectrode capacitance of at least one power MOSFET, a capacitance connected in series with the MOSFET and having one terminal...
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5553294 |
Portable computer powered by rechargeable batteries
When a computer is not externally powered, it operates from installed first and second batteries. In top surface of the computer, LEDs are provided which indicates three states of each battery;...
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5532557 |
Electric light socket constructions
Light socket improvements include a thermal conductor which removes heat by inducing a flow of air within the socket and/or which acts as heat sink that more efficiently transfers heat to the...
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5504395 |
Lamp bulb having integrated RFI suppression and method of restricting RFI to selected level
An incandescent lamp bulb which is driven by an electronic control module (ECM) and method of manufacture characterized in that an inductor comprising a magnetic element and a winding thereon is...
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5504394 |
Lamp bulb having integrated lighting function control circuitry and method of manufacture
An incandescent lamp bulb which is driven by an electronic control module (ECM) and method of manufacture characterized in that an inductor comprising a magnetic spool and a winding thereon is...
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5426347 |
Lighting system with emergency standby feature
A power supply is plugged into an ordinary household electrical outlet and conditionally provides a high frequency current at a power receptacle operative to receive the power plug of an ordinary...
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5343124 |
Shock-hazard-free lighting means
A power supply is integrally combined with a power plug, and the combination is adapted to be plugged into an ordinary household electrical outlet and operable to provide a power-line-isolated...
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5315160 |
Sequentially shifting control circuit for extendible light strings
A sequentially shifting control circuit for extendible light strings which includes a main controller in one end, a backward signal-generating circuit in the other end and a plurality of...
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5208516 |
Touch controlled electric light socket with high current tolerance
A light socket for engaging and energizing a light bulb is adapted for attachment to a lamp base or other light fixture and has an internal chamber in which a touch responsive control circuit is...
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5070522 |
Combined signal and power distribution system
From a central point, both telephone signals and Class-2 high frequency electric power are transmitted by way of a common transmission cable to the location of a telephone apparatus; thereby to...
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RE33285 |
Touch controlled switch for a lamp or the like
A small electronic module to regulate the power delivered to a lamp or similar appliance is plugged into the household electrical outlet and the lamp to be controlled is, in turn, plugged into the...
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4937702 |
Light intensity controller using a proximity sensor
An apparatus for controlling the intensity and on/off status of an incandescent light bulb as a function of the proximity of an object to a sensing plate. The frequency of a signal is varied from a...
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4820935 |
Multiple function driver circuit
An integrated circuit for driving five external signalling components such as four LEDs and a piezo horn. The integrated circuit includes three pairs of series connected transistors, each pair...
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4803380 |
Cover and support plate arrangement for wall mounted devices
A cover and support plate arrangement for a wall mounted device, such as a wall switch, display, dimmer, etc., for mounting to a wall box embedded in the wall and having overall surface dimensions...
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4775802 |
Modular interconnecting wiring system with molded mating components
A modular wiring system including a fixture interceptor for electrically wiring together several overhead light fixtures of an office building using modular components whereby a selected group of...
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4764708 |
Touch control lamp socket interior
An electronic touch control light socket used to convert a lamp to touch-sensitive use which includes a circuit housing and a light bulb insertion socket mounted thereto which together are adapted...
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4755725 |
High intensity light shut-down circuit for night vision goggle
A circuit for automatically removing battery power from a night vision goggle (10) upon its detachment from a headgear (12) or when subjected to excessive light. A magnet (34) on the headgear (12)...
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4739188 |
Starting circuit enclosure
The present invention relates to a starter circuit case assembly having a starter section and a cap assembly. The starter section includes a starter circuit mounted on a circuit board and is...
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4726377 |
Modular control for tanning beds
A modular timer assembly for controlling tanning beds and alike including a power supply module and a plurality of removably attached timer modules affixed between end panels; the timer modules...
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4713586 |
Decorative light sets
The present invention is an improved decorative light set with clusters of light bulbs, an electric circuit and a d.c. power source for actuating the bulbs of clusters of the light bulbs and the...
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4688154 |
Track lighting system with plug-in adapters
Subject track lighting system comprises a more-or-less regular lighting track having at least two pairs of track conductors. Of these track conductors, an initial pair carries the regular 120...
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4668876 |
Touch control switch and lamp system
Disclosed is a touch control lamp system, including a touch control dimmer switch adapted to be plugged into a standard electrical household outlet, and a lamp having a male electrical plug adapted...
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4626953 |
Doubly overload-protected power distribution system
A power distribution system consists of an inverter means providing power to a plurality of separate outputs, with each separate output being protected by its own individual overload protection...
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4613790 |
Tough-responsive electric light socket
A touch-responsive socket for receiving an electric light bulb and controlling the power delivered to the bulb in response to the touching of an electrically-conductive member includes a housing...
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