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Document Title |
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JPH0327179U |
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JPH0361904A |
PURPOSE:To improve the contrast of a picture by means of simple constitution in the projector for a projection television(TV) in which a coupler is filled with a cooling solution and a projection tube is optically coupled with a lens sys...
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JPH0324785U |
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JPH039244Y2 |
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JPH0338983A |
PURPOSE: To cancel the generation of an unnecessary picture caused by reflected light on a boundary face between optical coupling(OC) liquid and air by putting-in a plastic pellet, for which specific gravity is smaller than that of the O...
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JPH0311498B2 |
A getter assembly (10) has an annular channel (11) containing getter material (22 min ). The bottom (18) of the channel (11) is provided with an annular, integral, groove (20 min ) of bulb-shaped cross-section which extends into the chan...
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JPH0321177A |
PURPOSE: To surely prevent cooling liquid from leaking to outside even if a pin hole is generated on a spacer by constituting packing with plural annular thick parts and plural annular thin parts connecting the thick parts. CONSTITUTION:...
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JPH0319484A |
PURPOSE: To decrease a drift attended with a temperature change in convergence correction and to attain high picture quality by arranging a concaved meniscus lens to a position closest to a cathode ray tube side in each projection lens g...
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JPH0249630Y2 |
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JPH02143884U |
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JPH02295028A |
PURPOSE: To enhance productivity and reliability with regard to the sealing portion of an exhaust pipe and its sealing process by using a metal material with high extensibility and high adaptability for pressure connection as a sealing m...
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JPH02290941A |
PURPOSE: To obtain an alloy having excellent gas absorption characteristics and to permit the holding of vacuum in the atmosphere of high getter temp. by specifying Fe, Ni, La, Ce, Pr, Nd and Sm. CONSTITUTION: The nonevaporation-type get...
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JPH0241979Y2 |
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JPH02241282A |
PURPOSE:To prevent air from being remained as a bubble and further to prevent a center from being deviated by providing plural projections in the inner circumference of a hole in a coupling frame, which is fitted to an optical substance,...
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JPH02236931A |
PURPOSE: To heat a flash getter evenly with the high frequency induction heating by forming supporting materials of a circular elastic holder and a ring flash getter as insulative supporting materials except one. CONSTITUTION: When a rin...
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JPH0239388B2 |
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JPH0299552U |
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JPH0228585Y2 |
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JPH0227485Y2 |
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JPH0292653U |
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JPH02179178A |
PURPOSE:To improve the contrast ratio and color shading and to obtain a picture with high quality by arranging a tint member between a face plate of a projection CRT and a rear face of a projection lens provided in front of the face plat...
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JPH02177228A |
PURPOSE: To make it possible to reduce pressure by installing a valve made up of a through hole in the axial direction of screw and a prescribed material. CONSTITUTION: A through hole 3 is made such that it passes upward and downward thr...
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JPH0286039U |
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JPH02174385A |
PURPOSE:To increase the lifetime of a projection type TV receiver by adding a pressure control part containing a lamination of a 1st elastic substance layer which does not contaminate a liquid and a 2nd elastic substance layer which cont...
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JPH0224205Y2 |
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JPH0279549U |
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JPH0276461U |
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JPH02148534A |
PURPOSE: To control changes of liquids by means of simple constitution, by using a concave lens the flat edge portion of which is extended, and providing another room formed by a refrigerant liquid supply tank between the extended portio...
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JPH02141077A |
PURPOSE:To improve the reliability of liquid leak prevention by providing a coupling frame to fit to the face of a projector tube and packing. CONSTITUTION:In an optical coupling device to fill a coolant between a project tube 11 and an ...
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JPH0268579U |
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JPH02132738A |
PURPOSE: To turn a deflection current easily into a big current in the state of having the shortened depth while surely realizing a display of a big picture by setting up horizontal and vertical yokes, wherein deflection coil patterns ar...
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JPH0262884U |
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JPH02119029A |
PURPOSE: To absorb the expansion and contraction of a cooling medium while attempting the improvement of a heat radiating effect through the simple structure ot the tube in the title, by connecting a variable capacity vessel having its e...
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JPH0261044U |
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JPH0215979B2 |
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JPH02100242A |
PURPOSE: To keep the inside of an electron tube during driving at high vacuum and enable the extension of the life by depositing a chemically active material on the surface of a gate electrode provided opposite to the anode and applying ...
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JPH0236272U |
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JPH0261932A |
PURPOSE: To conduct a stable voltage abnormality display even if battery voltage is repeatedly varied due to the variation of load by providing the level difference between abnormality and recovery discriminant levels respectively when t...
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JPH0252970A |
PURPOSE: To prevent freezing of a primary cooling system without eliminating the need for additional consumption of a power and through sharp reduction of a consumption power by a method wherein by using a temperature detector, the motio...
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JPH026185B2 |
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JPH0218259U |
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JPH021797Y2 |
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JPH0212732A |
PURPOSE: To improve the reliability of maintaining the vacuum degree by providing a getter membrane for gas absorption purpose at the inner wall of an image tube. CONSTITUTION: A bulb main body 100 and a photoelectric screen plate 3 are ...
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JPH025981U |
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JPH01320747A |
PURPOSE: To easily elevate vacuum degree of an X-ray tube by constituting a part of a vacuum housing out of a metallic housing, and providing a getter storing part at a part of this housing so as to install a non-deposition getter provid...
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JPH01309482A |
PURPOSE:To make the bracket small in size and to attain miniaturization and light weight of the device by parting the 1st lens from the fluorescent screen of a projection tube, decreasing the diameter more than a picture of the fluoresce...
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JPH01170943U |
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JPH0140117Y2 |
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JPH0156495B2 |
A cooling system for a projection television receiver, the receiver having at least one cathode ray tube with a face thereon, comprising a lens for focusing light exiting from the tube; a frame supporting the lens in alignment with the f...
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JPH0156494B2 |
A projection television receiver comprises at least one cathode ray tube for receiving video signals and projecting images therefrom, the tube including a face; a lens mounted adjacent to the face for focusing the images projected by the...
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