Facsimile and static presentation processing – Facsimile – Recording apparatus
Patent
1985-07-16
1986-11-04
Chin, Tommy P.
Facsimile and static presentation processing
Facsimile
Recording apparatus
358 60, 358237, 358254, H04N 574, H04N 931
Patent
active
046212930
ABSTRACT:
An integrated multi-lens and multi-cathode ray tube (CRT) mount for a projection television receiver includes right and left lateral support panels and a flat front mounting panel coupled therebetween. The front mounting panel includes three generally circular apertures therein each adapted to receive a respective lens positioned on a forward surface of the mounting panel. Positioned adjacent to the upper and lower portions of each of the apertures of the mounting panel are respective pairs of alignment/positioning slots which are adapted to receive respective upper and lower mounting blocks on an aft surface of the mounting panel. Each of the upper and lower mounting blocks includes a pair of mounting bosses, with each pair of mounting blocks adapted to receive a respective CRT housing for securing each CRT to the aft surface of the mounting plate immediately aft of a respective aperture therein and in a given alignment and position such that all three video images are directed to a common projection area and are in proper relative angular orientation. Keying slots in each of the three mounting panel apertures are adapted to receive a respective lens mounting flange in a keyed manner for proper positioning and rotational orientation of each of the three lenses over a respective aperture within the mounting panel and in alignment with its associated CRT. Each of the three lens assemblies includes a respective mirror for directing the video image projected thereon onto a common upper mirror for reflection onto a rear projection screen.
REFERENCES:
patent: 2549585 (1951-04-01), Epstein
patent: 4400723 (1983-08-01), Fanizza
patent: 4404588 (1983-09-01), Fanizza
patent: 4506295 (1985-03-01), Young
patent: 4511923 (1985-04-01), Bauer
Chin Tommy P.
O'Connor Cornelius J.
Zenith Electronics Corporation
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