Shielded getter support on rotor-supported antenna

Details Shielded getter support on rotor-supported antenna Shielded getter support on rotor-supported antenna

1976-12-03

1977-12-06

Segal, Robert

Electric lamp and discharge devices

Cathode ray tube

Envelope

313178, H01J 2994, H01K 152

Patent

active

040619451

ABSTRACT:
The invention provides an improvement in the means for supporting a container of effusive material located on the terminal end of an antenna-type positioning member for use in a cathode ray tube. The supporting structure is comprised of a rotatable member accommodated on axle means affixed to the positioning member at a region rearward from the forward edge of the material container. An augmentive fender-like protective component is associated with the rotatable member to shield that member from effusive material and to prevent any accumulated electric charge thereon from interfering with the scanning of the electron beam in the tube.

REFERENCES:
patent: 3939376 (1976-02-01), Reash
patent: 3961221 (1976-06-01), Benda et al.

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