Projection apparatus for a projection television receiver

Details Projection apparatus for a projection television receiver Projection apparatus for a projection television receiver

1986-08-04

1988-10-11

Chin, Tommy P.

Facsimile and static presentation processing

Facsimile

Recording apparatus

358237, 358245, H04N 565, H04N 774

Patent

active

047775327

ABSTRACT:
A projection apparatus for a projection television receiver comprises a projection tube for receiving video signals and projecting images therefrom; a lens aligned for focusing images from the tube; a frame for supporting the tube in alignment with the lens and defining a cooling chamber between the lens and the tube; a first seal to seal the lens to the frame under substantially uniform pressure with no substantial bending stress on the lens; and a second seal to seal the tube to the frame under substantially uniform pressure.

REFERENCES:
patent: 3952152 (1976-04-01), Lill
patent: 4150320 (1979-04-01), Mitchell
patent: 4511927 (1985-04-01), Bauer
patent: 4529905 (1985-07-01), Ohkoshi
patent: 4609945 (1986-09-01), Oguino

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