Digitally controlled vector generator for stroke written CRT dis

Details Digitally controlled vector generator for stroke written CRT dis Digitally controlled vector generator for stroke written CRT dis

1982-09-13

1985-08-13

Brigance, Gerald L.

Communications: electrical

Land vehicle alarms or indicators

Internal alarm or indicator responsive to a condition of the...

340736, G09G 108

Patent

active

045353280

ABSTRACT:
A system for developing horizontal and vertical deflection signals for drawing a vector of predetermined length and angle on the face of a cathode ray tube is disclosed. Variable rate integrators are caused to integrate at rates respectively definitive of the sine and cosine functions of the vector angle for a period of time which is proportional to the length of the vector to develop Y and X deflection signal outputs which collectively define the vector.

REFERENCES:
patent: 3824382 (1974-07-01), Eshelman
patent: 3921163 (1975-11-01), Giraud et al.
patent: 4001806 (1977-01-01), Sweeting
patent: 4032768 (1977-06-01), Rieger
patent: 4095145 (1978-06-01), Terranova et al.

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