Class 315/179 - Series connected diverse-type load devices

Subclass of Class 315 - Electric lamp and discharge devices: systems
Definition: Systems having two or more different type load devices connected
No. of patents: 40
Last issue date: 10/30/2007

Number	Title	Issue Date
7288902	Color variations in a dimmable lighting device with stable color temperature light sources A method and system allow a lighting device having light sources with multiple color temperatures to vary a color temperature of the lighting device in response to changing dimming levels. The light sources are non-incandescent light sources, such as light emitting ...	10/30/2007
7276863	LED array driving apparatus and backlight driving apparatus using the same The present invention relates to an LED array driving apparatus and a backlight driving apparatus using the same which enables regulation of analogue and PWM dimming for each channel and LED of a backlight, thereby allowing uniform luminance and color in all regions...	10/02/2007
7204622	Methods and systems for illuminating environments Provided herein are methods and systems for illuminating environments, including aircraft environments. The methods and systems include facilities for providing both white and non-white illumination, with color and color temperature control, in programmed response t...	04/17/2007
7170234	Light emitting apparatus generating white light by mixing of light of a plurality of oscillation wavelengths A current of the same amount or in a constant ratio is applied to each of a combination of a blue light emitting diode having a small wavelength variation and a green light emitting diode having a large wavelength variation. With this, as an amount of applied curren...	01/30/2007
7144130	Illumination device An illumination apparatus for illumination of light by emitting light from LED for each of RGB colors capable of optionally setting a color temperature and controlling the brightness after the setting while maintaining the color temperature as it is, in which a ligh...	12/05/2006
7132800	High-pressure discharge lamp A high-pressure discharge lamp has a discharge vessel that is enclosed, with an interspace, by an outer bulb. The end of the outer bulb is provided with a lamp cap. The lamp has an ignition circuit including a series connection of a glow starter and an ohmic impedan...	11/07/2006
7116294	LED driver circuits Several driver circuits for energizing series arrays of LEDs are disclosed. The LED driver circuits incorporate programmable microcontrollers and switching regulators in circuits that permit precise control of current applied to the series array of LEDs. One driver ...	10/03/2006
7102298	Integral lamp An integrated lamp/lamp electronics unit includes a lamp having a first end with first end electrical terminals, and a second end with second end electrical terminals. An end cap having an interior section is placed into electrical connection with the first end elec...	09/05/2006
7095056	White light emitting device and method A white light emitting device and method that generate light by combining light produced by a white light source with light produced by at least one supplemental light emitting diode (LED). The supplemental light can be used to adjust one or more properties of the g...	08/22/2006
7051290	Graphical interface for receiving eyeglass prescription information A high volume lens curing system is described. The high volume lens curing system is configured to cure multiple eyeglass lenses in a continuous manner. The lens curing system includes a computer-implemented method configured to collect prescription information, sav...	05/23/2006
7044623	Thru-hull light A thru-hull fitting assembly is connected to the forward end of a hollow lamp housing for mounting to a hole in the hull of a vessel in a water-tight fashion. An HID or other lamp is mounted in the lamp housing and is surrounded by a reflector which may have an oute...	05/16/2006
7038399	Methods and apparatus for providing power to lighting devices Methods and apparatus for providing power to devices via an A.C. power source, and for facilitating the use of LED-based light sources on A.C. power circuits that provide signals other than standard line voltages. In one example, LED-based light sources may be coupl...	05/02/2006
6942354	Lighting system and housing therefore A lighting system is provided including an illumination member, a housing and a resilient element. The illumination member has an electricity conductive portion and a light-emitting portion. The housing defines a chamber for receiving therein the illumination member...	09/13/2005
6636003	Apparatus and method for adjusting the color temperature of white semiconduct or light emitters An LED arrangement which produces a color temperature adjustable white light. The LED arrangement includes one or more white LEDs and a first drive circuit operable to supply a first drive current to the one or more white LEDs such that a white light is o...	10/21/2003
6617803	String of electrically powered ornaments A string of electrically powered ornaments such as lights connected in a series and sequentially identifiable indicia is applied sequentially in association with each ornament in the string to enable a person to trace the string for testing each ornament....	09/09/2003
5886423	Electric series circuit An electric series circuit with plural loads such as light bulbs connected in series and plural solid state switching devices, with each switching device connected in parallel with one of the loads. Each switching device conducts current when the load tha...	03/23/1999
5345149	Lighting system with fluorescent and incandescent lamps A lighting system using a 120 volt AC power source and including within a single enclosure a low wattage fluorescent lamp and a low wattage incandescent lamp. The fluorescent lamp provides an efficient light source operating at a low voltage and low watta...	09/06/1994
5277948	Action ornament for use with decorative light string sets A mobile decorative part of a Christmas tree ornament is orbited around a stationary decorative part by an electrical motor locked onto the stationary decorative part....	01/11/1994
5015918	Bicycle single-wire lighting system with steady-flashing-reflector rear warning device Red LEDs having sufficient brightness and efficiency are employed for a bicycle tail lamp. A xenon strobe provides extended visibility over the steady red LED beam, identifiable as a vehicle tail lamp; dispersed high intensity flashes of the strobe may be...	05/14/1991
5012157	Long-life luminaires There is provided a luminaire primarily for use with exit signs and other emergency-type lighting comprising a series string of low-voltage, extremely long-life bulbs positioned within an enclosure for protection and electrically connected to a standard b...	04/30/1991
4980608	Electric motor rotator for Christmas tree ornaments This invention pertains to the an electric motor of very small size which is adapted to plug into a lamp socket of a string-set of series connected decorative incandescent lamps so as to utilize the output of the motor to rotate ornaments and like devices...	12/25/1990
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 preheating ballast capacitor connected in parallel to the lamp for...	09/15/1987
4682079	Light string ornament circuitry A decorative device is disclosed which includes a motor, music module or other electrical loads and electrical circuitry and a connector for connection to a selected socket of a string of conventional sockets for connection to an A.C. line. The connector ...	07/21/1987
4626745	Ballast circuit for lamps with low voltage gas discharge tubes A ballast circuit arrangement for providing a predetermined desired A.C. voltage to enhance the operation of the gas discharge tube serving as the main light source in a lighting unit of the type which also comprises an incandescent filament serving as a ...	12/02/1986
4555647	Ballast circuit for gas discharge tubes utilizing time-pulse additions Ballast circuits for a gas discharge tube are disclosed. One embodiment of a single-phase non-inductive ballast for operation of a gas discharge tube by direct current (D.C.) using a resistive current-limiting means and a relatively small capacitor is dis...	11/26/1985
4536680	Resistive lamp ballast with re-ignition circuit A discharge lamp is provided with a resistive ballast together with means for sensing lamp voltage conditions. If the lamp voltage exceeds a predetermined threshold then a control circuit operates to apply the output of a relatively high frequency oscilla...	08/20/1985
4494041	Incandescent ballast assembly Apparatus for use with a fluorescent lamp having a longitudinal axis and a filament winding at each end includes a pair of terminals formed for connection to a potential source with means for connecting one of the terminals to a filament winding, an incan...	01/15/1985
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 light supplemented by a standby filamentary light source....	09/11/1984
4438369	Unitary light source comprising compact HID lamp and incandescent ballast filament Unitary light source comprises compact HID lamp and starting and operating circuit therefor operable from household AC energizing potential. The HID lamp is ballasted by incandescent filament means which also provides the major portion of developed light ...	03/20/1984
4367432	Blended lamp In a blended lamp, an incandescent filament and a high-pressure discharge tube are arranged electrically in series. The filament forms part of a halogen incandescent lamp and the discharge tube contains a sodium amalgam which is very high in mercury. A re...	01/04/1983
4358717	Direct current power source for an electric discharge lamp A solid-state electronic ballast circuit for supplying direct-current power to an electric discharge vapor lamp is disclosed. The source-drain channel of a Vertical Metal Oxide Semiconductor (VMOS) Field Effect Transistor (FET) is connected in parallel wi...	11/09/1982
4350929	Fluorescent lighting device A fluorescent lighting device which includes a preheating type fluorescent discharge tube and as the ballast thereof an incandescent bulb. The fluorescent lighting device is ignited by the use of a pulse transformer and a neon tube. A semiconductor elemen...	09/21/1982
4316124	Mixed light arrangement The invention relates to a mixed light lamp arrangement intended to be connected to an a.c. power supply. The lamp arrangement comprises a rectifier bridge having output terminals interconnected by the mixed light combination consisting of a series arrang...	02/16/1982
4297616	Fluorescent lamp with incandescent ballasting systems Ballasting for a fluorescent lamp is provided by one or more incandescent lamps connected in series between the line voltage source and the fluorescent lamp. Lamp operation is initiated by a triggering pulse applied to a conductive member placed adjacent ...	10/27/1981
4268780	Integrated fluorescent-incandescent lamp assembly A lamp assembly (10) comprises a base plate (12) having both an incandescent bulb (18) and a fluorescent bulb (16) affixed thereto. The incandescent bulb (18) acts as ballast and light source. A glow switch (26) and capacitor (27) act as starter and are c...	05/19/1981
4224570	Engine speed indicator An engine rpm sensor utilizes a gas filled lamp for connection to a circu including an engine ignition system and a spark plug. A light pipe is exposed to the lamp and couples an optical signal each time a spark plug is fired to a remote location for uti...	09/23/1980
4211958	Phantom fluorescent lamp with safety switch A safe "phantom" lamp structure for replacing a fluorescent lamp in a two-lamp series circuit connected fluorescent fixture which permits the remaining lamp of the two-lamp fixture to operate. The structure includes, in different embodiments, one or more ...	07/08/1980
4100462	Combination incandescent/fluorescent lighting system A combination incandescent/fluorescent lighting system is shown that gives an efficient, high quality light. An incandescent lamp in series with the fluorescent lamp is used as a ballast. An auxiliary starting circuit is used to create a high voltage for ...	07/11/1978
3956665	Device for replacing a fluorescent lamp in a serially connected fluorescent lamp system A device for replacing a fluorescent lamp in a two lamp serially connected fluorescent fixture either of the type which includes a rapid-start type transformer for every two rapid-start fluorescent lamps or an instant start fixture for every two instant s...	05/11/1976
3940659	Discharge device control circuit including a thyristor A main capacitor is connected across a series combination of a flash discharge lamp and a thyristor to flash the flash discharge lamp through the thyristor in its ON state. A commutation circuit connected to the thyristor includes a commutation capacitor ...	02/24/1976

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Class 315/179 - Series connected diverse-type load devices