Apparatus for preventing or alternatively restricting the discha

Details Apparatus for preventing or alternatively restricting the discha Apparatus for preventing or alternatively restricting the discha

1980-12-09

1982-12-14

Britton, Howard

Facsimile and static presentation processing

Facsimile

Recording apparatus

358254, H04N 565

Patent

active

043640958

ABSTRACT:
On the rear wall of a cathode ray tube a metal disc system is arranged adjacent to the longitudinal axis of the tube, which metal disc system acts as an eddy current brake. The metal disc is substantially vertical to the rear wall, its diameter in a special embodiment is 60 mm and is arranged within a circle of about 500 mm diameter around the longitudinal axis of the tube parallel to the axis of the tube bulb. The metal disc preferably is of conductive metal, for instance aluminium or copper.

REFERENCES:
patent: 4045818 (1977-08-01), Wilhelm
patent: 4191973 (1980-03-01), Szydlowski
patent: 4246613 (1981-01-01), Choder

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