Class 313/26 - Integral double wall type of envelope

Subclass of Class 313 - Electric lamp and discharge devices
Definition: Subject matter in which the lamp or discharge device is
No. of patents: 31
Last issue date: 05/20/2008

Number	Title	Issue Date
7375456	Mount for high intensity discharge lamp The HID lamp mount has a discharge tube with two ends. A shroud surrounds the tube. Shroud clips position the shroud ends. The shroud clips have arcuate portions engaging the shroud periphery and transverse portions spanning the shroud diameter and grasping and posi...	05/20/2008
7331690	Infrared headlight An infrared headlight useful in a night vision system may be made with an infrared emitter positioned in a reflector. The radiation source is associated with a filter body which has a first filter layer part and a second uncoated part. The two parts are designed so ...	02/19/2008
7180248	Inductively coupled ballast circuit A ballast circuit is disclosed for inductively providing power to a load. The ballast circuit includes an oscillator, a driver, a switching circuit, a resonant tank circuit and a current sensing circuit. The current sensing circuit provides a current feedback signal...	02/20/2007
7112116	Process for producing an electric lamp with outer bulb The process comprises the provision of a discharge vessel (2) which is closed off on one side, fitting a second tube over part of the discharge vessel and evacuating and filling the volume of the outer bulb via a pumping hole, which remains open in the second...	09/26/2006
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
6924598	Apparatus for providing a kinetic lightning effect An apparatus for providing a visual lightning effect includes a first chamber and a second chamber, where a passageway connects the first chamber and the second chamber. An inert gas is provided within the first chamber, the second chamber, and the passageway. A fir...	08/02/2005
6914383	Light source device A light source device in which the operating characteristic of the auxiliary light source can be improved, in which the starting property within the main discharge vessel is extremely advantageous and which has high reliability with respect to vibration resistance a...	07/05/2005
6696788	Double jacketed high intensity discharge lamp An electric discharge lamp includes a light transmissive inner jacket that defines a sealed inner chamber, a first material in the inner chamber that emits light when activated, and a light transmissive outer jacket around the inner jacket. The outer jack...	02/24/2004
6693373	Colored filter for use in xenon lamp or halogen lamp and method of assembling same A colored filter, capable of emitting stable and bluish white light without causing a pigment to peel off even after use for many hours, and easily mountable in a xenon lamp or a halogen lamp. The colored filter includes a cylindrical body defining a slit...	02/17/2004
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
6661168	Low voltage incandescent lamp with dual envelope A miniature or subminiature incandescent lamp designed to operate with an energy source of 20 volts or less includes a filament enclosed in a first glass envelope and supported by a pair of metal contact pins. A first glass bead seals the envelope and has...	12/09/2003
6624580	High pressure electric discharge lamp A high pressure electric discharge lamp adapted to utilize dielectric barrier discharges can include an arc tube having a discharge space that contains at least a rare gas and an outer tube airtightly surrounding the arc tube. At least one material select...	09/23/2003
6329742	Metal halide lamp with metal frame supporting a protective sleeve A ceramic metal halide arc tube is surrounded by a protective sleeve supported by a metal frame having current carrying wire frame members brazed into the metal ferrules of a PAR-lamp. Each frame member has an S-shaped bend which engages the lower end of ...	12/11/2001
6291933	Metal halide lamp with ARC tube secured to frame by clips passing through protective sleeve Metal halide lamp includes an arc tube and a surrounding tubular quartz sleeve between a pair of parallel wire frame members mounted to a glass stem containing current supply leads. The sleeve is provided with two pairs of diametrically opposed apertures,...	09/18/2001
6262534	Lamp having light source mounted directly to stem A light source(10) includes a bulb (14) having a pair of outer leads (16,17) extending therefrom in parallel and sealed directly in the glass stem (22), whereby the outer leads (16,17) and the input leads in the glass stem (22) are the same. A protective ...	07/17/2001
6087764	Liquid-cooled discharge lamp Liquid-cooled discharge lamps of, for example, UV type are employed for sterilising objects, for example, packaging containers for foods. In lamps displaying a U-shaped luminant body and with a surrounding liquid container or envelope, cooling is improved...	07/11/2000
6011351	Uncapped electric luminaire having housing and low-pressure discharge lamp connected via adhesive tape The invention relates to an electric luminaire having a luminaire housing 0, 11) and at least one low-pressure discharge lamp (12) as well as an operating device for operating the at least one low-pressure discharge lamp (12), the operating device having ...	01/04/2000
6008567	Power-saving discharge lamp A power-saving discharge lamp 1 wherein gap control material 6 is provided in a clearance between an internal bulb 2 and an external bulb 5, having a smaller thickness than the dimension of the clearance. Nonuniformity of the clearance between the both bu...	12/28/1999
5220236	Geometry enhanced optical output for RF excited fluorescent lights A fluorescent lighting structure having an inner glass envelope and an outer glass envelope surrounding the inner glass envelope, an ionizable gas contained within the volume between the inner and outer glass envelopes, an electrode structure disposed on ...	06/15/1993
5128589	Heat removing means to remove heat from electric discharge lamp Heat transfer means are disclosed to remove heat from a fused quartz arc tube being employed as the light source in an electric discharge lamp. The heat removal is carried out during lamp operation with a fused quartz protuberance that cooperates to remov...	07/07/1992
4949003	Oxygen protected electric lamp A double jacket arc lamp is disclosed. A double jacket arc lamp may be formed with an electric lamp capsule having an inner light transmissive envelope with electrical leads extending from the inner envelope through a first seal, and a second light transm...	08/14/1990
4945288	Double jacket lamp A double jacket arc lamp is disclosed. A double jacket arc lamp may be formed with an electric lamp capsule having an inner light transmissive envelope with electrical lead extending from the inner envelope through a first seal, and a second light transmi...	07/31/1990
4935668	Metal halide lamp having vacuum shroud for improved performance A metal halide lamp having a vacuum shroud is disclosed. The vacuum shroud substantially eliminates the detrimental catephoresis effects of operating a metal halide lamp from a low frequency alternating current (A.C.) source or direct current (D.C.) sourc...	06/19/1990
4839565	High pressure double wall sodium arc tube and methods of operating such A high intensity discharge metal vapor lamp comprising an arc tube having an inner chamber vented to the arc tube and disposed therein is disclosed. The combination of the arc tube and inner chamber being of a double wall construction confines the arc con...	06/13/1989
4710679	Fluorescent light source excited by excimer emission A fluorescent lamp is described in which spontaneous excimer UV emission in an inner tube results from reacting an inert gas molecule with a halide molecule in the excited state. The UV emission travels through the inner tube envelope to an outer tube and...	12/01/1987
4443734	High intensity discharge lamp with arc spreading means A high pressure discharge lamp having cylindrical or elliptical envelope containing a rare gas atmosphere as the starter gas and mercury and other volatile metals. The luminous output of this high intensity discharge lamp is increased by the presence of a...	04/17/1984
4410828	Jacketed lamp having transverse arc tube Transverse mounting of the arc tube within the lamp jacket is effected through a mount featuring a hinged self tube to a support rod extending the length of the jacket and serving also as electrical connector to one electrode. A flexible connector makes ...	10/18/1983
4401913	Discharge lamp with mount providing self centering and thermal expansion compensation A high pressure sodium vapor discharge lamp having an arc tube coaxially mounted within an outer glass envelope by means including a coiled spring engaging one end of the arc tube and coaxially disposed in the partially compressed state between that end o...	08/30/1983
4338540	Incandescent lamp Incandescent lamp, in particular a halogen lamp, comprising an inner glass bulb that defines and limits an inner small space containing filament means, and at least one outer glass bulb spaced from and surrounding the inner bulb and defining at least one ...	07/06/1982
4296350	Gaseous fluorescent discharge lamp An arc discharge lamp comprises a source of UV emission and a chamber external thereto. The chamber contains gaseous molecules which absorb the UV emission and are raised to a highly excited state, from which they relax to the ground state through an inte...	10/20/1981

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Class 313/26 - Integral double wall type of envelope