Television image projection apparatus

Details Television image projection apparatus Television image projection apparatus

1978-10-30

1980-10-28

Martin, John C.

Facsimile and static presentation processing

Facsimile

Recording apparatus

353 74, 358250, D14 84, H04N 574

Patent

active

042310679

ABSTRACT:
Apparatus for supporting a television receiver housing and projecting an image from the face of the picture tube to a remote, reflective screen having dimensions significantly larger than the picture tube. The apparatus includes a base providing an inclined support surface for the TV housing with an adjustable stop member for engagement with the lower, rear edge of the housing to establish the fore and aft position thereof on the support surface. The apparatus further includes a hood defining an enclosed path between an opening at one end for encircling the face of the picture tube of a TV supported on the base, and an opening at the opposite end in which the lens barrel of the projection lens system is frictionally engaged for unitary focusing movement. The TV set and the lens remain physically unattached to any elements of the projection system. The invention is also directed to novel features of the hood, per se.

REFERENCES:
patent: D250263 (1978-11-01), DeZinno
patent: 2543113 (1951-02-01), Leavitt
patent: 3037072 (1962-05-01), Mendoza
patent: 3492069 (1970-01-01), Kapilow
patent: 3800085 (1974-03-01), Ambats et al.
patent: 3943282 (1976-03-01), Muntz
patent: 3944734 (1976-03-01), Ogawa
patent: 4021105 (1977-05-01), Schubach
patent: 4051535 (1977-09-01), Inglis
patent: 4074322 (1978-02-01), Cammilleri

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