Multi-beam projector

Details Multi-beam projector Multi-beam projector

H - Electricity

04

N

350/74, 350/98

H04N 9/31 (2006.01)

Patent

CA 1221450

ABSTRACT OF THE DISCLOSURE A multi-beam projector is disclosed which includes a first cathode ray tube having first and second cathodes, control grids and a fluorescent screen, a circuit for applying a first video signal to the first cathode such that the first cathode emanates a first electron beam in response to the first video signal, a circuit for applying a second video signal to the second cathode such that the second cathode emanates a second electron beam in response to the second video signal, a second cathode ray tube having first and second cathodes, control grids and a fluorescent screen, a circuit for applying the first video signal to the first cathode of the second cathode ray tube such that the first cathode of the second cathode ray tube emanates a first electron beam in response to the first video signal, a circuit for applying the second video signal to the second cathode of the second cathode ray tube such that the second cathode of the second cathode ray tube emanates a second electron beam in response to the second video signal and the interval between the first and second electron beams of the second cathode ray tube is wider than the interval between the first and second electron beams of the first cathode ray tube, a circuit for delaying the second video signal applied to the second cathode of the second cathode ray tube and a deflection device for horizontally and vertically deflecting the first and second electron beams of the first and second cathode ray tubes simultaneously.

462419

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