Electric circuit for S correction of the vertical scanning ramp

Details Electric circuit for S correction of the vertical scanning ramp Electric circuit for S correction of the vertical scanning ramp

1986-05-16

1988-04-19

Groody, James J.

Electric lamp and discharge devices: systems

Cathode ray tube circuits

Cathode-ray deflections circuits

315371, 315403, 315370, 358150, 358159, 328185, 307228, H01J 2970, H01J 2976, H01J 2956, H04N 506

Patent

active

047392282

ABSTRACT:
A variable-gain rectifier-amplifier with regulated voltage converts the output ramp of a ramp generator with regulating resistance of ramp amplitude into a triangular wave form with adjustable linearity which a feedback circuit brings back to said regulating resistance in the form of alternating current superimposing it on the direct current regulated through said resistance. This provides an S correction of the output ramp which depends on the gain regulation voltage of the rectifier-amplifier circuit.

REFERENCES:
patent: 3723804 (1973-03-01), Yasumatsuya
patent: 3735192 (1973-05-01), Avery
patent: 3863106 (1975-01-01), Haferl
patent: 4365270 (1982-12-01), Rutishauser
patent: 4533855 (1985-08-01), Willis et al.
patent: 4645987 (1987-02-01), Kiteley et al.

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