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7248230 |
Ornament apparatus, system and method
Embodiments of the present invention are directed to an ornamental system, apparatus and method that is dynamically modifiable. Embodiments of the ornament system comprise a processor, at least one...
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7215523 |
Apparatus for protecting an integrated circuit and method thereof
An apparatus for protecting an integrated circuit is applied to an electrical apparatus having a control unit. The control unit is used for controlling the integrated circuit and the protecting...
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7102301 |
Year-round decorative lights with selectable holiday color schemes
A decorative light strand has user-selectable color schemes corresponding to each holiday for year-round use. The light strand has a plurality of differently colored lights; a decorating selector...
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6933680 |
Decorative lights with at least one commonly controlled set of color-controllable multi-color LEDs for selectable holiday color schemes
A decorative light strand has user-selectable color schemes corresponding to several holidays for year-round use. The light strand has a plurality of lights including at least one...
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6768268 |
Dimmer for vehicle use
A dimmer for vehicle use of the present invention has a circuitry in which an output part of an amplifier in an oscillating circuit is grounded through a diode and a ground resistor in series, an...
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6621224 |
Light-controlling device used for vehicle
A light-controlling device of this invention includes a controlling circuit having a function for turning an incandescent lamp and an LED off simultaneously, which have different minimum voltages...
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6329755 |
Light adjustment device for a vehicle
A light adjustment device for a vehicle comprises: a control circuit 8 connected to a lamp 2; a first variable resistor 20 for adjusting the intensity of illumination of the lamp 2 by changing the...
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6169373 |
Work light
A work light includes a generally cylindrical, at least partly transparent housing, a first light source which is an elongated, rodlike bulb disposed within the housing, a second light source which...
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6155694 |
Composite warning light with emission pattern matching
A multi-flash strobe light pattern is superimposed on each individual light pulse produced by an incandescent lamp to provide a warning signal of enhanced visibility in a particulate laden ambient...
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5793164 |
Low intensity aircraft rotor tip illumination
A wing tip system for rotor craft includes a downwardly-facing light housing to provide a visual aid to rotor wingtip position. This system is visible to crew members and to adjacent crew,...
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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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5661347 |
Circuitry arrangement for controlling a plurality of consumers, in particular lamp ballasts
In accordance with the invention the circuitry arrangement comprises a central unit (5) and a plurality of peripheral units, such as control apparatuses for lamps, connected with the central unit...
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5491385 |
Instant-on screw-in fluorescent lamp
A compact folded fluorescent lamp and a small incandescent lamp are both mounted on an ordinary Edison-type screw-base capable of being screwed into an ordinary lamp socket at which ordinary AC...
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5374876 |
Portable multi-color signal light with selectively switchable LED and incandescent illumination
A portable multi-color signal light having at least two color LED, such as red or blue or green or yellow, with or without covering color films, and at least one incandescent lamp, with or without...
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5309061 |
Compact fluorescent lamp having incandescent lamp starting aid
A lamp assembly includes a tubular incandescent lamp located between the four tube sections of a double twin tube compact fluorescent lamp such that heat is transferred from the incandescent lamp...
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5008595 |
Ornamental light display apparatus
Ornamental and decorative light display utilizing LEDs constructed of two or more individual diodes. Each diode or portion of a diode is alternately selected and energized at a sufficient frequency...
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4958143 |
Synchronized pulse-enhanced dual light source
An intermittent low intensity light source that is switched on by a drive signal is enhanced by a high intensity light source. The high intensity light source is coupled with the low intensity...
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4958102 |
Three way gas discharge lamp
A three way lamp having two gas discharge light tubes mounted on the same housing having three terminals arranged thereon as provided on a three-way incandescent lamp.
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4933603 |
Circuit arrangement for indicator lights in motor vehicles
A circuit arrangement for indicator lights in motor vehicles comprises four differently dimmable groups of lights I for tachometer and speedometer illumination 1, 2, II for the remaining dashboard...
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4908552 |
Electronic flash unit
This invention concerns with an electronic flash unit in which, as two capacitors of large and small capacitances are charged, even when a trigger operation is actuated before the capacitor of...
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4899087 |
Triggering circuit for series connected flash lamps
Lamp operating voltage levels are reduced by using a boost circuit to initiate a triggering sequence in one of two lamps connected in series. The boost circuit is connected across one of the lamps...
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4894585 |
Combination lamp
A combination lamp includes a first light and a second light. The first light includes a discharge lamp and serves to generate light. The second light serves to generate light and also heat, and...
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4751432 |
High-pressure discharge lamp
The invention relates to a high-pressure discharge lamp comprising an outer bulb accommodating a first and a second discharge vessel, these discharge vessels being connected electrically in series....
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4709188 |
Operation of standby filament associated with an AC arc discharge lamp ballast
An AC polarity-reversing bridge ballast for an arc discharge lamp using an incandescent filament for resistive ballasting and standby illumination powers the filament during hot restart without...
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4694224 |
Lighting apparatus for an electric discharge lamp
A lighting apparatus for an electric discharge lamp includes a lighting ballast capacitor connected in series to an electric dicharge lamp for stabilizing a lighting current to the lamp; a...
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4560909 |
Dual load remote power control for a ceiling fan
An arrangement is disclosed for controlling the power applied to two remote loads energized from a common ac line. An example is a circuit for controlling fan speed and lamp brightness, both loads...
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4495446 |
Lighting unit with improved control sequence
An energy efficient lighting unit is described designed for functional similarity to the incandescent light used in the home. The lighting unit utilizes a metal vapor arc lamp as the main source of...
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4480211 |
Flash lamp and circuitry for use with an incandescent light
A flash lamp in which a flash tube, transformer, capacitor and base are coupled together to form a unitary integral lamp. A portion of the flash tube, the transformer and capacitor may be...
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4471268 |
Lighting unit having power supply with improved switching means
An energy efficient lighting unit is described designed for functional similarity to the incandescent light used in the home. The lighting unit utilizes a metal vapor arc lamp as the main source of...
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4422015 |
Electric insect trap power supply
A power supply for an electric insect trap having an electrocution grid and a fluorescent lamp for attracting insects to the grid employs an inverter to generate a high frequency alternating...
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4388562 |
Electronic ballast circuit
An electronic ballast circuit for powering a plurality of fluorescent lamps or the like from an unsmoothed DC voltage source includes a sine wave converter operatively connected to receive said DC...
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4358713 |
Brightness control device for light emitting display of electronic meter
A brightness control device for a light emitting display of an automotive vehicle electronic meter wherein the brightness of the light emitting display is controlled in response to the variable...
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4287454 |
High pressure discharge lamps with fast restart
A light source including two high intensity discharge devices, such as metal vapor discharge tubes, electrically coupled in parallel to provide fast restart and immediate illumination after a...
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4185228 |
Electrodeless light source with self-contained excitation source
An electrodeless light source having a termination fixture adapted for connection to a high frequency power source has an electrodeless lamp with a self-contained ultraviolet excitation source and...
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4167688 |
Composite illumination fixture and control circuit therefor
A control circuit including at least one switch and a plurality of rectifiers for selectively applying a-c utility power to either or both of two remote electrically-powered apparatus at respective...
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4104565 |
Lamp socket for use with multi-level bulb and nightlight
A lamp socket for use with a three-way bulb and a nightlight has five positions including off, nightlight, nightlight and low, nightlight and medium, and high. The socket includes a screw base for...
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4016453 |
Proximity pad with controlled illumination
A small thin console or pad has a metal proximity switch actuated by a control ring mounted on one surface, with a small light bulb within the ring. The pad is used for remote control of a load...
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3889154 |
Vibrating filament lamp with auxiliary stationary filament
An incandescent lamp with a vibrating filament in which a secondary, stationary, element, such as a filament is used to produce additional light and/or also to select and adjust the electrical...
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3860853 |
FLASH LAMP SYSTEM
A flash tube has an internal gas pressure above 600 millimeters of mercury. It is energized by a capacitor having an operating voltage such that the ratio of the discharge gap of the tube to said...
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3723808 |
LIGHTING SYSTEM UTILIZING HIGH INTENSITY DISCHARGE LAMPS
A lighting system is disclosed in which high intensity discharge lamps (e.g. mercury vapor lamps) are operated in combination with other lamps (e.g. incandescent lamps) to afford consistent and...
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3493813 |
LAMP FLASHER
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3391304 |
FLASHER CIRCUIT EMPLOYING A SILICON CONTROLLED RECTIFIER LAMP CIRCUIT WITH AN ADDITIONAL EXTINGUISHING CIRCUIT
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3377505 |
Emergency lighting system with low, medium and high voltage outputs
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3376471 |
Nonlinear lighting control
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3348096 |
Variable pulse energy discriminator
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3231783 |
Spectrophotometer power supply
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3177399 |
Multi-level light control
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3091321 |
Paper end indicator for typewriters
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2995659 |
Mass spectrometers
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2975331 |
Starting and operating circuit for high pressure arc lamps
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