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Class 220/2.1R - ENVELOPE FOR ELECTRIC LAMP OR SIMILAR DEVICE


Subclass of Class 220 - Receptacles
Definition: Envelopes, casings and housings, designed for use with electric
No. of patents: 88
Last issue date: 01/31/2006


1      
NumberTitleIssue Date
6991125Glass frame
A glass frame includes a cross-section that has a substantially polygonal profile with at least one re-entrant angle, and is intended to keep two plane substrates separate around their periphery. The frame may keep a space between two glass sheets, such as in the pr...
01/31/2006
6685525Method for manufacturing an incandescent lamp
A method for manufacturing an inexpensive lamp, which suppresses distortion of a bulb and prevents decrease in commercial value and breakage of the bulb. In a glass bulb having one end thereof communicating with an exhaust tube, an assembly of a filament,...
02/03/2004
6680565Cathode-ray tube
A cathode ray tube includes a faceplate panel having a substantially flat exterior surface and a substantially concave interior surface having a phosphor screen, and a shadow mask behind the faceplate panel wherein the panel satisfies the following condit...
01/20/2004
6642656Corrosion-resistant alumina member and arc tube for high-intensity discharge lamp
An arc tube is formed by polycrystalline alumina so that an average crystal grain diameter of a surface is two to ten times as large as an average crystal grain diameter of an inside including a center line of a thickness and the average crystal grain dia...
11/04/2003
6628062CRT panel having specified inner surface arc curvatures
Color CRT panel including an outside surface substantially flat, and an inside surface with a desired curvature, wherein an inside surface curvature structure of the panel consists of arc curvatures having a long axis direction radius Rx of curvature and ...
09/30/2003
6597097Cathode ray tube having panel with improved tensile stress
There is provided a cathode-ray tube including an envelope having a neck, a funnel and a panel fused to the funnel by using frit glass, the outside of the panel being near flat, the inside of the panel having a predetermined curvature, in which 1.7ࣘT2/T...
07/22/2003
6580209Glass funnel for a cathode ray tube having outwardly protruding portion surrounding the yoke
A glass funnel for a cathode ray tube in which the asymmetry in shape of the body portion is relaxed to reduce stress whereby an increase of the weight can be suppressed and the dimension in a direction of the depth can be shortened. A portion of the body...
06/17/2003
6577055Glass funnel having arch-like ridge portions and cathode ray tube using same
A glass funnel for a cathode ray tube capable of increasing the rigidity of a body portion having a rectangular-shaped open end portion and reducing the weight of the glass funnel wherein on at least a long side of the body portion, arched face portions a...
06/10/2003
6555953Flat face type color cathode ray tube having panel with curved inner surface
A color cathode ray tube of the present invention includes an evacuated envelop that is structured from a panel having a phosphor screen on its inner surface, a neck portion containing therein an electron gun assembly, and a cone-shaped section called the...
04/29/2003
6534909Implosion protection band for color cathode ray tube
Implosion protection band for color cathode ray tube having a panel with a wedge ratio of 1.1~1.8 and a substantially flat outer surface, wherein the implosion protection band is strapped around an outer circumference of the panel to satisfy a condition o...
03/18/2003
6488166Implosion prevention band for a CRT
The present invention relates to an implosion prevention band for a CRT comprising an evacuated envelope having a mask and corresponding faceplate panel with sidewalls joined to a funnel. The faceplate panel and sidewalls form external corner surfaces and...
12/03/2002
6459196Cathode-ray tube
A faceplate panel for a cathode ray tube includes an exterior surface having a substantially flat shape, and an interior surface having a concave shape. The interior surface curves in a direction toward the flat exterior surface with a diagonal curvature ...
10/01/2002
6407496Cathode ray tube
A cathode ray tube includes a panel having a substantially flat outer surface and an inner curved surface with a phosphor screen. The panel has a substantially rectangular effective screen portion with two long sides parallel to each other, two short side...
06/18/2002
6396204Cathode ray tube with enhanced beam deflection efficiency and minimized deflection power
A cathode ray tube includes a panel with an inner phosphor screen and a rear portion. A funnel is connected to the rear portion of the panel. The funnel is sequentially provided with a body having a large-sized end and a small-sized end, and a cone portio...
05/28/2002
6373183Funnel having vertically long neck portion
A funnel for a cathode ray tube, and a cathode ray tube including the funnel are provided. The funnel includes a neck portion whose cross section is vertically long, a first cone portion which extends from the neck portion such that the cross section is v...
04/16/2002
6359379Cathode ray tube having funnel with flute sections
Disclosed is a cathode ray tube comprised of a funnel with flute sections wherein the Beam Shadow Neck phenomenon can be prevented while at the same time ensuring adequate structural strength to prevent collapse due to an internal vacuum. These optimum fl...
03/19/2002
6338416Glass bulb for a cathode ray tube and a method for producing a cathode ray tube
Manufacturing steps for a cathode ray tube or a glass bulb for the cathode ray tube are controlled in such a manner that a two-dimensional matrix code 3 comprised of a plurality of dots is marked by laser in an outer side surface of a glass bulb 1, 5, the...
01/15/2002
6337535Panel in cathode ray tube
Panel in a cathode ray tube having a flat outside and a curved inside surfaces, which can provide a perfect flat image at an appropriate distance of view, wherein a condition of 2.48×106 (mm2)ࣘR×CFTࣘ4.38×106 (mm
01/08/2002
6232712Cathode ray tube having specific thickness ratio
A cathode ray tube includes a panel having a substantially flat outer surface and an inner curved surface with a phosphor screen. The panel has a substantially rectangular effective screen portion with two long sides parallel to each other, two short side...
05/15/2001
6227394Glass bulb for a cathode ray tube and a method for producing a cathode ray tube
Manufacturing steps for a cathode ray tube or a glass bulb for the cathode ray tube are controlled in such a manner that a two-dimensional matrix code 3 comprised of a plurality of dots is marked by laser in an outer side surface of a glass bulb 1, 5, the...
05/08/2001
6160344Cathode-ray tube
A faceplate panel for a cathode ray tube includes an exterior surface having a substantially flat shape, and an interior surface having a concave shape. The interior surface curves in a direction toward the flat exterior surface with a curvature radius R
12/12/2000
6054806Single-based gas discharge vessel for energy-saving lamps
The invention concerns a gas discharge lamp or vessel wherein at least part of the lamp is in the form of a spiral. The windings of the coils forming the spiral are tightly-spaced (less than 1 mm apart). In addition to providing high amounts of light, the...
04/25/2000
6016031High luminance electrodeless projection lamp
An Electrodeless High Intensity Discharge (EHID) lamp for projection applications. The lamp has a small (nominal dimensions: 2 mm I.D., 3 mm O.D., 6 mm internal length) capsule, which is constricted in a mid-portion thereof. The constriction squeezes the ...
01/18/2000
5899350Hermetic container and a supporting member for the same
A hermetic container which can improve its stress resistance and its buckling strength and prevent deformation due to the atmospheric pressure. The space between the anode substrate and the cathode substrate in the hermetic container can be stably maintai...
05/04/1999
5877591Arc tube for discharge lamp device
An arc tube for a discharge lamp device comprises: a cylindrical glass tube made of glass, having linear extension portions, each having an opening portion at an end, and a spherically swollen portion formed between the linear extension portions; and elec...
03/02/1999
5861714Ceramic envelope device, lamp with such a device, and method of manufacture of such devices
This invention involves a new type of feedthrough-plug member for metal halide HID lamp using PCA envelopes. The construction of the lamp housing consists of a PCA envelope and specially designed axially graded alumina-metal cermet multi-layers to elimina...
01/19/1999
5814933Cathode ray tube having an improved front panel
A color cathode ray tube includes a front panel having a phosphor screen deposited on its interior surface. A contour of the interior surface is configured such that a radius Rx of a surface curvature of sections parallel to a horizontal axis and a radius...
09/29/1998
5757442Cathode ray tube
A cathode ray tube having an improved safety feature in preparation for the accidental implosion of a high vacuum cathode ray tube is provided. The cathode ray tube comprises a panel, a funnel sealed with the panel, and an implosion preventing band mounte...
05/26/1998
5722549Closed-loop tubular lamp envelope and method of manufacture
A closed-loop, tubular lamp envelope and methods of manufacturing closed-loop, tubular lamp envelopes are disclosed. A dome is formed at one end of a light-transmissive tube. A blister is molded on the dome, and a hole is formed in the molded blister. Nex...
03/03/1998
5698939Display device having a display window
A display device having a cathode ray tube which comprises a display window. The radius of curvature of the inside of the display window along the diagonal (Rdiag) is greater than 1.6×1.767×D and smaller than 3.0×1.767×D, where D is the len...
12/16/1997
5528104Metal 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
5510671Inwardly convex vacuum envelope
A display device capable of bearing the stress due to vacuum condition and capable of reducing both weight and depth simultaneously, by incorporating a vacuum envelope with glass screen having a front section made in a curved panel and a rear section bein...
04/23/1996
5500570High-intensity discharge lamp with pleated ends
A high-intensity discharge lamp includes a luminous tube in which predetermined rare gases and metal are sealingly filled, and a pair of electrodes provided at the ends, wherein irregular portions are formed at both ends of the luminous tube which surroun...
03/19/1996
5394057Protective metal silicate coating for a metal halide arc discharge lamp
An arc tube of fused silica for a metal halide arc discharge lamp including a fill for the arc tube comprised of a sodium halide, at least one additional metal halide, and an inert starting gas, the arc tube including a tube of fused silica having an inne...
02/28/1995
5300856Resistive, adhesive-primer coating for a display apparatus and method of making same
A display apparatus comprises a CRT having an evacuated envelope including a faceplate with a luminescent screen on the interior surface thereof. An electron gun is disposed within a neck of the envelope for generating and directing at least one electron ...
04/05/1994
5182490Light sources
A fluorescent tube (2) is made of a plastics material containing at least one organic fluorescent dye and attached to the inner surface of this tube is a barrier layer (3) for absorbing ultraviolet radiation, and attached to the inner surface of the layer...
01/26/1993
5157304Field emission device display with vacuum seal
A field emission display constructed from field emission devices, (which are typically fabricated on silicon substrates but which are difficult to seal to pressure levels below 1×10-6 Torr because they are fabricated on silicon), can be enclos...
10/20/1992
5031788Flat panel display device
A flat panel display device which comprises a face glass plate, a metal container assembled to the face glass plate through a frit glass for providing an envelope for accommodating electron beam generating means and electron beam control means, the metal ...
07/16/1991
4961024Circular fluorescent lamp with oval section of tube
A circular fluorescent lamp has a fluorescent tube of a generally circular shape having electrodes fixed gastight in both of its ends respectively to enclose inert gas and mercury therein. A cap is mounted to bridge between the tube ends. The fluorescent ...
10/02/1990
4941582Hermetically sealed ceramic package
The invention relates to a hermetically sealed ceramic package for an electric or electronic device, the package using a low temperature fired ceramic or glass-ceramic as the material of the package base supporting the device. The hermetically sealing joi...
07/17/1990
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