Projection apparatus for projection television receiver

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

1988-09-19

1990-02-27

Arnold, Bruce Y.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358231, 313 20, G02B 702, H04N 574

Patent

active

049040545

ABSTRACT:
A coupler contains cooling liquid between the front face of a projection tube and a lens that forms the screen of a projection television receiver. The coupler has a multiplicity of large and small fins extending into the cooling liquid and parallel to the center line of the tube to dissipate heat. The fins are closely spaced from each other.

REFERENCES:
patent: 3455376 (1969-07-01), Beurtheret
patent: 3781094 (1973-12-01), Griest
patent: 3884558 (1975-05-01), Dunn, III et al.
patent: 4678961 (1987-07-01), Comberg et al.
patent: 4725755 (1988-02-01), Hasegawa
patent: 4737678 (1988-04-01), Hasegawa
patent: 4777532 (1988-10-01), Hasegawa

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