Projection kinescope and method of operation

Details Projection kinescope and method of operation Projection kinescope and method of operation

1979-10-22

1981-03-31

Murray, Richard

Facsimile and static presentation processing

Facsimile

Recording apparatus

358 60, H04N 574

Patent

active

042596920

ABSTRACT:
A projection kinescope comprises an evacuated envelope having a faceplate, a phosphor screen on the inner surface of the faceplate, and an electron gun. The electron gun generates a plurality of electron beams in a substantially vertical plane. The beams are directed to strike the screen at vertically-separated positions. A delay line is associated with an electron beam that is directed to strike the screen above another electron beam. The delay time of the delay line is sufficient to repeat the video information imparted by the electron beam first striking the same portion of the screen.

REFERENCES:
patent: 2457175 (1948-12-01), Parker
patent: 3505464 (1970-04-01), Clingman, Jr. et al.
patent: 3975766 (1976-08-01), Sano et al.

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