Celebrity Inventors
Glam girl Heddy Lamar may have used her good looks to good effect on the silver screen, but she put her smarts to better use as an inventor. During World War II, she co-patented a frequency-switching system for torpedo guidance that was considered years ahead of its time.
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| Number | Title | Issue Date |
| 7323849 | Rechargeable portable light with multiple charging systems A rechargeable portable light having a housing member with an opening for the emission of light, and two possible charging systems including an AC charger, and an auto or boat charger. An electronic circuit is located within the housing member and includes at least ... | 01/29/2008 |
| 7279829 | Flat-type fluorescent lamp device and method for fabricating the same A flat-type fluorescent lamp device includes a first substrate, a plurality of first and second electrodes arranged on the first substrate at fixed intervals, a first fluorescent layer on an entire surface of the first substrate including the first and second electr... | 10/09/2007 |
| 7258464 | Integral ballast lamp thermal management method and apparatus A lamp having a lighting source, integral electronics, and a thermal distribution mechanism disposed in a housing. The thermal distribution mechanism may include a For example, the lamp may include a thermal shield between the lighting source and the integral electr... | 08/21/2007 |
| 7230389 | Metal halide lamp having function for suppressing abnormal discharge A metal halide lamp includes a ceramic arc tube that is composed of a main body and two narrow tube parts provided at respective ends of the main body; a pair of electrodes provided inside the main body; two feeders, each being connected at one end thereof to a diff... | 06/12/2007 |
| 7226184 | Backlight apparatus, and a liquid crystal display (LCD) therewith A backlight apparatus of an edge light type includes at least one elongated luminescent source, a holder in which the luminescent source is provided and a housing in which the holder is provided. A supporting component is attached to an end of the elongated luminesc... | 06/05/2007 |
| 7224125 | Dimmable fluorescent lamp package A lamp package includes a base for insertion into an electrical socket, a complete dimmable ballast circuit contained within and electrically connected to the base, and a fluorescent lamp, including a CFLP, connected to and dimmed through the ballast circuit. The ba... | 05/29/2007 |
| 7204615 | LED light with active cooling An LED light assembly includes a housing, an LED disposed in the housing, a heat dissipating structure and a fluid current generator. The LED is in thermal communication with the heat dissipating structure and includes a flow path surface. The fluid current generato... | 04/17/2007 |
| 7186953 | Mercury-heating device and method of manufacturing the same A mercury-heating device is provided. The device is disposed on a substrate of a planar light source. The heating device includes a patterned electrode and a container. The patterned electrode is formed on the substrate and coupled to an external power source. The c... | 03/06/2007 |
| 7170200 | Starter assembly for a gas discharge lamp The present invention comprises a unique starter assembly for a gas discharge lamp. The starter assembly comprises a main current path with a first leg connected to one electrode of a gas discharge lamp, and a second leg connected to a second electrode of the gas di... | 01/30/2007 |
| 7144290 | Discharge lamp with stabilized discharge vessel plate The invention relates to a new design of discharge vessel for a discharge lamp, in which dielectrically impeded discharges are to be generated. In this case, a discharge vessel plate 1, 9 is, as it were, of two-fold design, specifically as a first discharge v... | 12/05/2006 |
| 7093970 | Backlight unit, liquid crystal display device using the same, and method of fabricating the same A backlight unit for a liquid crystal display device includes a bottom cover having a first plane portion and a first side portion combined by a first coupling system, a reflector over the bottom cover and having a second plane portion and a second side portion corr... | 08/22/2006 |
| 6979939 | Cooling device for an electron tube The present invention relates to a cooling device for an electron tube designated to amplify a high frequency signal. The invention is particularly suitable for cooling electron tubes that amplify radio frequency signals used for television or radio. The electron tu... | 12/27/2005 |
| 6960759 | Light source device, image reading apparatus and image reading method A light source device which can prevent a large-sized structure of the device, a light source device which can improve assembling efficiency and maintainability of the device, and an image forming method and apparatus in which occurrence of moisture condensation can... | 11/01/2005 |
| 6924495 | Heat controlled ultraviolet light apparatus and methods of sanitizing objects using said apparatus A heat controlled ultraviolet light apparatus includes a source of ultraviolet light, a cover, and a heating or cooling element that heats/cools the space or gap between the ultraviolet light source and the cover. Accordingly, the ultraviolet light source may be mai... | 08/02/2005 |
| 6600272 | Bulb-shaped fluorescent lamp A bulb-shaped fluorescent lamp adopting an inexpensive and highly reliable electronic ballast is provided. A fluorescent arc tube, an electronic ballast, and a base are provided. The electronic ballast lights and drives the fluorescent arc tube, and the b... | 07/29/2003 |
| 6469447 | Fluorescent lamp lighting apparatus A fluorescent lamp lighting apparatus includes a fluorescent light emitting tube; and an electronic lighting circuit for applying an electric current to the fluorescent light emitting tube. The electronic lighting circuit includes a pair of electrode fila... | 10/22/2002 |
| 6310439 | Distributed parallel semiconductor device spaced for improved thermal distribution and having reduced power dissipation A single triac on a heat sink is replaced by a plurality of lower rated current, parallel connected triacs for carrying the same total current as the single triac. The plural devices are spaced apart as far as possible, within the confines of an insulatio... | 10/30/2001 |
| 6114809 | Planar fluorescent lamp with starter and heater circuit A planar fluorescent lamp having a resistive trace and optically transmissive cover electrodes is described. In one embodiment, the lamp includes an insulative lamp body with the transparent cover electrodes supported by the lamp cover. The resistive trac... | 09/05/2000 |
| 6091199 | Heat spreader for electronic ballast An insulating enclosure for an electronic ballast has at least one major surface and a thermally conductive heat spreader at the major surface. The heat spreader is thermally coupled to at least one of the electronic components within the ballast and has ... | 07/18/2000 |
| 6066920 | Illumination device, method for driving the illumination device and display including the illumination device An illumination device includes a cold cathode fluorescent tube having a heat capacity of 0.035 Wsec/° C. or less per unit length (1 cm) of a glass tube of a fluorescent section of the cold cathode fluorescent tube. The illumination device has a superior... | 05/23/2000 |
| 6054810 | Metal halide lamp having a ceramic discharge tube A metal halide lamp of the present invention has a ceramic discharge tube and a proximity conductor disposed adjacent to the ceramic discharge tube.... | 04/25/2000 |
| 5767934 | Liquid-crystal display with foil heater and PTC sensor for backlight A liquid-crystal display arrangement consisting of a liquid-crystal display, a light source constructed as a fluorescent lamp and a heat source which is thermally coupled to the fluorescent lamp. The heat source is formed as an essentially flat sheet on t... | 06/16/1998 |
| 5654609 | Gas discharge lamp and power distribution system therefor Fluorescent type lamps are arranged to have high frequency power derived from standard, commercial A.C. sources either directly or from power levels distributed from a master ballast. When the master ballast is employed, it functions as an interface betwe... | 08/05/1997 |
| 5621303 | Drive circuit for a lamp A drive circuit for a solar lamp includes a thermistor TH1 that reduces a power supply to a lamp if a Mosfet Q1 to which it is physically mounted becomes too hot. Also, a resistor R37 sets at low voltage level below which the battery will be isolated. Thi... | 04/15/1997 |
| 5616989 | Fluorescent lamp system including an integrated heater/power harness A fluorescent light source includes a fluorescent lamp, lamp bases attached to opposite ends of the fluorescent lamp, and an electrically insulating substrate connected to the fluorescent lamp. A heating element is positioned on the fluorescent lamp, and ... | 04/01/1997 |
| 5528104 | Metal halide lamp with pleated luminous tube envelope A metal halide lamp includes a luminous tube which is sealed and filled with predetermined rare gases and metal halide, a pair of electrodes provided in the inner portion near both ends of the luminous tube, an outer tube which encloses the luminous tube,... | 06/18/1996 |
| 5489819 | Method of operating a metallic vapor discharge lamp The method of conducting a lighting operation of a metallic vapour discharge lamp, to maintain a suitable arc tube temperature, even if the lamp is operated at an input power higher than 160 W/cm of lighting length. A metallic vapour discharge lamp, in wh... | 02/06/1996 |
| 5485057 | Gas discharge lamp and power distribution system therefor Fluorescent type lamps are arranged to have high frequency power derived from standard, commercial A.C. sources either directly or from power levels distributed from a master ballast. When the master ballast is employed, it functions as an interface betwe... | 01/16/1996 |
| 5406172 | Light source intensity control device A light source device having a controlled current source that maintains a constant intensity of light from the source during changes in light source temperature, particularly at warm-up. The light source is heated to speed up warm-up and to maintain const... | 04/11/1995 |
| 5331250 | Thick film resistor for use in a vacuum and a high pressure discharge lamp having such a resistor A high pressure discharge lamp having a thick film resistor comprising a plurality of resistive elements. A first resistive element is included in a starting circuit for the lamp and a second resistive element is in series with the arc tube during lamp op... | 07/19/1994 |
| 5315211 | Insulator for fluorescent lamp An insulator is applied to the ends of a fluorescent lamp which operates in a cold environment. The insulator retains the heat generated by the fluorescent lamp in order to reduce the energy which must be applied to cause the lamp to fire.... | 05/24/1994 |
| 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 to the fluorescent lamp when the incandescent lamp is energ... | 05/03/1994 |
| 5231334 | Plasma source and method of manufacturing A plasma source for generating a plasma in a chamber in conjunction with a radio frequency generator is described. The plasma source comprises a coil spiral, at least one insulator and at least one capacitor. The coil spiral conducts the radio frequency w... | 07/27/1993 |
| 5047689 | Gas discharge tube, indirectly heated cathode for use therein and drive circuit therefor A gas discharge tube comprises an indirectly heated cathode structure including a hot cathode into which a heater is incorporated. During discharging, the heater is supplied with a discharge current so as to generate Joule heat which is used as a heat sou... | 09/10/1991 |
| 4891556 | Coupled-cavity delay line for traveling-wave tube A coupled-cavity delay line for a traveling-wave tube which includes a device for focusing an electron beam along the axis of the delay line for interaction between the electron beam and an electromagnetic wave propagating along the delay line. The focusi... | 01/02/1990 |
| 4871944 | Compact lighting unit having a convoluted fluorescent lamp with integral mercury-vapor pressure-regulating means, and method of phosphor-coating the convoluted envelope for such a lamp A fluorescent lamp having a multi-U-bent tubular envelope of convoluted configuration is combined with circuit means, a translucent protective cover and a base module to provide an efficient lamp unit of high brightness and long life that is compact enoug... | 10/03/1989 |
| 4761585 | Fitting for compact electric discharge lamps A fitting for the electrical connection and support of compact electric-discharge lamps of different powers and construction. An electrical series impedance device for the normal operation of the lamps is accommodated in the fitting. These devices also in... | 08/02/1988 |
| 4748380 | Compact fluorescent lamp assembly having improved thermal dissipation and RFI suppression A fluorescent lamp assembly having an electronic ballast circuit. A ballast circuit transformer is mounted on a metallic plate having a recess complementary to the transformer, and the metallic plate suppresses conducted RFI. A lamp cover is attached to t... | 05/31/1988 |
| 4748377 | Travelling wave tubes A coupled cavity travelling wave tube has a coupling wall/ferro-magnetic pole piece formed as an iron-copper-iron sandwich with a coolant channel therein defined at least in part by the inner copper member of the sandwich. Where the coolant channel is def... | 05/31/1988 |
| 4739222 | Compact fluorescent lamp with a screw base A compact fluorescent lamp with a screw base having a lamp with an inner tube, an outer case which is provided at one end of the lamp and includes an operating circuit section therein and has a screw base at one end of the outer case, and a molding compou... | 04/19/1988 |
