Video projector

Details Video projector Video projector

1986-04-18

1987-03-17

Chin, Tommy P.

Facsimile and static presentation processing

Facsimile

Recording apparatus

358 60, 358 64, 358237, 358239, H04N 574

Patent

active

046512179

ABSTRACT:
A video projector has a structure wherein a projection lens is disposed to be fixed at a predetermined distance with respect to a front surface of a faceplate of a projection cathode-ray tube through a medium. The medium has substantially the same refractive index as that of the glass used for the faceplate and the projection lens. A resin adhesive, for example, may be used as the medium.

REFERENCES:
patent: 2342778 (1944-02-01), Wolff
patent: 2522390 (1950-09-01), McCarthy
patent: 2673977 (1954-03-01), Epstein
patent: 3429997 (1969-02-01), Rosner
patent: 3522367 (1970-07-01), Jones
patent: 4150320 (1979-04-01), Mitchell
patent: 4245242 (1981-01-01), Trcka
"A New Coolant-sealed CRT for Projection Color TV" by Masahiro Kikuchi et al. presented at IEEE Chicago Spring Conference on Consumer Electronics Jun. 4, 1981.

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