Colour television camera having plurality of pick-up tubes

Details Colour television camera having plurality of pick-up tubes Colour television camera having plurality of pick-up tubes

H - Electricity

01

J

313/35.101

H01J 31/08 (2006.01) H04N 9/097 (2006.01)

Patent

CA 1135765

27.3.1979 1 PHN 9158 ABSTRACT A television camera in which a colour splitting prism and a number of pick-up tubes are positioned with respect to each other in a holder which comprises an annular seat for optical alignment of each pick-up tube, the relevant pick-up tube being pressed onto said seat, by way of an adapter ring connected thereto transversely of the tube axis, by means of a resilient pressure member which acts in the direction of the tube axis. The diameter of the parts of the seat and the adapter ring decreases in the pressing direction. The pick-up tubes fit in the holder in a locating manner and, after they have been pressed, they do not exhibit play with respect to each other, so that variations of the position with respect to each other in reaction to shocks, and inherent picture registration errors, are avoided.

329741

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