Pick-up unit comprising a camera tube

Details Pick-up unit comprising a camera tube Pick-up unit comprising a camera tube

H - Electricity

01

J

313/35.2

H01J 31/26 (2006.01) H04N 5/225 (2006.01)

Patent

CA 1181466

11 ABSTRACT In a pick-up unit a tube base for a camera tube is integrated in a coil former having a system of coils. As a result of this lenght of the pick-up unit is small so that it is possible to manu- facture portable cameras of small dimensions.The radial position of the tube with respect to the coil former is fixed by centring means provided in the tube base and in a sealing cap engaging the coil former. The axial position of the tube relative to the coil former is fixed in that the tube is urged against the abutting face by means of a spring.The coil former is surrounded by a u-metal screening sleeve consisting of two portions, which portions are coupled together by means of a clamping ring.

389477

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