Did You Know...
...that the Slinky toy was the result of a failed attempt by engineer Richard James to produce an antivibration device for ship instruments? His goal was to develop a spring that would instantaneously counterbalance the wave motion that rocks a ship at sea. Instead, he developed the Slinky.
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| Number | Title | Issue Date |
| 7514856 | Method of manufacturing partial layers on lamp bulbs A method of manufacturing partial layers on lamp bulbs, in which method functional layers are provided in thin-film technology, and which method includes at least providing a temporary layer on that region of the lamp bulb which will have no functional layer in the ... | 04/07/2009 |
| 7379302 | Display device with heat conducting member for heat dissipation An exemplary display device (1) includes a chassis (12), a circuit board (14) and a heat sink (16). The heat sink connects with the circuit board and the chassis. The chassis covers the circuit board and includes at least one heat conduct... | 05/27/2008 |
| 7309146 | Backlight having discharge tube, reflector and heat conduction member contacting discharge tube A display device includes a backlight having a discharge tube and a reflector. A heat conduction member is attached to the reflector in contact with the discharge tube, so that a part of the discharge tube is locally cooled by the heat conduction member. Liquid merc... | 12/18/2007 |
| 7230382 | High pressure mercury lamp with vented reflector and image projection apparatus A lamp with a reflector comprises a high pressure discharge lamp and a reflector. The reflector has a first opening and a second opening. Clearance between a sealing portion of the high pressure discharge lamp and the second opening is substantially filled. The seal... | 06/12/2007 |
| 7147349 | Light source and projector A light source device (40) attached to an optical equipment provided with a light-source cooling fan (3) has a light source (401), a reflector (402), a light-transmissive component (51) that closes the light-irradiation side of the... | 12/12/2006 |
| 7038390 | Lamp control system A method and apparatus are provided for reducing the stable lamp standby power to the order of 5% of nominal full power in order to reduce the effects of heat from the lamp on a substrate during production downtime. In particular, a power controller changes the oper... | 05/02/2006 |
| 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 |
| 6810299 | Semiconductor manufacturing apparatus A semiconductor manufacturing apparatus includes a light source and a lighting device that lights the light the light source A connector connects the light source and the lighting device with a metal piece to provide control of generation of noise accompanying incre... | 10/26/2004 |
| 6759793 | Lamp unit for a projector and a process for the light control thereof A lamp unit with a light control function for the light emitted from this lamp unit, for which a high pressure mercury lamp is used which is filled with at least 0.15 mg/mm3 mercury and which has a hermetically enclosing arrangement, an essentially hermet... | 07/06/2004 |
| 6667567 | Light source unit A light source unit includes (a) a light source having a main surface through which a light emitted from the light source passes towards an object, (b) a light-permeable substrate located between the main surface of the light source and the object, (c) a ... | 12/23/2003 |
| 6498423 | Lamp thermal control by directed air flow A method for thermal control of a lamp assembly which includes an arc lamp and an associated reflector enclosed within an outer housing. The method includes providing a predetermined air flow path within said housing whereby a continuous flow of ambient a... | 12/24/2002 |
| 6247830 | Heat shield for agricultural light bulb An air-cooled light comprising a cylindrical transparent sleeve that shields heat generated by a high intensity discharge lamp from the surrounding environment. The air-cooled light of the present invention comprises an outer cylindrical transparent sleev... | 06/19/2001 |
| 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 |
| 5612593 | Fluorescent tube thermal management system utilizing thermal electric cooler units A system for actively monitoring and controlling the effective ambient temperature in an application utilizing a fluorescent tube as the source of illumination. The system is the combination of a fluorescent tube, which may be thermally bonded to a reflec... | 03/18/1997 |
| 5331248 | Cooling apparatus of magnetron Disclosed is a cooling apparatus for a magnetron, comprising a channel-shaped heat radiation plate for dissipating the heat generated from the anode of a magnetron, a yoke for supporting the heat radiation plate, an opening formed in both side walls of th... | 07/19/1994 |
| 5245246 | Gas discharge lamp temperature control A low pressure gas discharge lamp of the capillary bore type is equipped with a temperature control system whereby the electrode containment section and the light output section of the lamp are at higher temperatures than the capillary bore section. Vapor... | 09/14/1993 |
| 5189340 | Fluorescent lamp assebmly for image scanner In a fluorescent lamp assembly for use in an image scanner, a heater is associated with a glass tube of a fluorescent lamp for heating the glass tube. A controller is provided for controlling the heater in such a manner as to maintain temperture of the gl... | 02/23/1993 |
| 5051648 | Flat type low pressure gas discharge lamp The discharge space of a flat type fluorescent lamp in which a pair of electrodes are oppositely positioned for producing discharge therebetween establishes a predetermined elongated width W along the pair of electrodes and a prescribed height H in a dire... | 09/24/1991 |
| 5017824 | TFEL edge emitter module and packaging assembly employing sealed cavity capacity varying mechanism A thin film electroluminescent (TFEL) edge emitter module and packaging assembly is composed of a TFEL edge emitter module including an electroluminescent (EL) stack having a linear array of spaced-apart pixels with light-emitting front edges, an enclosur... | 05/21/1991 |
| 4978890 | Fluorescent lamp device A fluorescent lamp device which is used for backlighting of a liquid crystal display and in which a Peltier element is thermally coupled with a portion of a fluorescent lamp and a temperature sensor is provided at that portion to be cooled. In accordance ... | 12/18/1990 |
| 4902935 | Method and apparatus for evening out the temperature distribution of electrodeless lamp bulbs An electrodeless lamp bulb is rotated about an axis which is at a designated angle to the predominant direction of the electrical field. This has the effect of evening out the temperature distribution about the bulb and reducing the formation of hot and c... | 02/20/1990 |
| 4798997 | Lighting device A discharge tube adapted to produce a light by an extraneous high frequency electromagnetic field is heated before discharge to thereby improve the rising-up of the discharge and achieve uniformization of emitted light. Further, the discharge tube is heat... | 01/17/1989 |
| 4797598 | Illumination apparatus An illumination apparatus includes a discharge tube for emitting light upon an application of an external high frequency wave electromagnetic field, an electrode, arranged outside the discharge tube, for applying the high frequency wave electromagnetic fi... | 01/10/1989 |
| 4735258 | Cooling air treatment device for transmitter valves High-power transmitter valves are located in a housing through which a fan feeds a cooling air stream between an inlet point and an outlet point, the inlet air temperature being required to lie within a range set by the valve manufacturer. The device acco... | 04/05/1988 |
| 4638215 | Circuit assembly for temperature-dependent cathode current tracking in traveling-wave tubes A circuit assembly for temperature-dependent cathode current tracking in traveling-wave tubes having control electrodes and cathodes with a predetermined cathode current, in combination with a power supply, includes a temperature-dependent network thermal... | 01/20/1987 |
| 4617489 | Compact fluorescent lamp having internal thermally actuable means Compact fluorescent lamps employ inner assemblies of fluorescent tubes mounted in an arc tight manner. Associated with the assemblies are thermally actuable means which operate to open communication with the tubes during exhaust. After exhaust and sealing... | 10/14/1986 |
| 4495780 | Cooling method and apparatus for hermetic type control box Method and apparatus for controlling the cooling of a hermetic type control box accommodating therein electronic apparatus by means of a cooling system. A cooling member of the cooling system is disposed at an upper portion of a hermetically closed chambe... | 01/29/1985 |
| 4146819 | Method for varying voltage in a high intensity discharge mercury lamp A method for varying the voltage in a high intensity discharge mercury lamp comprising the following steps: (a) energizing the lamp at a substantially fixed current; (b) selecting a predetermined voltage; (c) sensing the lamp voltage; and (d) when the lamp voltage ... | 03/27/1979 |
| 4074163 | Discharge lamp with heat shield The invention relates to a gas-and/or vapor discharge lamp which is provided with a discharge tube and with a heat shield. The heat shield is connected to a bimetal element of the lamp such that, when the temperature of the discharge tube is raised (or lowered... | 02/14/1978 |
