Three picture tube device for projecting a television image...

Details Three picture tube device for projecting a television image... Three picture tube device for projecting a television image...

H - Electricity

01

J

313/9

H01J 29/00 (2006.01)

Patent

CA 1268516

ABSTRACT Device for projecting television pictures by means of an assembly of three television picture tubes with associated lens systems arranged in each other's proximity, including an integrated cooling system. The integrated cooling system has a liquid circuit comprising a first duct extending below the television picture tubes, which duct is in direct communication via passages with the lower ends of the flow spaces, and a second duct extending above the television picture tubes, which duct is in direct communication via passages with the upper ends of the flow spaces, whilst the first and the second duct are connected via at least a connection duct which extends along the outside of the assembly constituted by the three television picture tubes.

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