Vertical ramp generator

Details Vertical ramp generator Vertical ramp generator

1989-06-09

1990-07-17

Blum, Theodore M.

Electric lamp and discharge devices: systems

Cathode ray tube circuits

Cathode-ray deflections circuits

H01J 2970, H01J 2976

Patent

active

049423410

ABSTRACT:
An object of the present invention is to provide a ramp generator which makes the scan start level by the sawtooth constant so as to obtain a proper interlace characteristic on the television picture plane. The present invention includes a clamping circuit which prevents the voltage from rising or falling so that a predetermined voltage value varies corresponding to the supply voltage.

REFERENCES:
patent: 4339669 (1982-07-01), Jarrett et al.
patent: 4728813 (1988-03-01), Diller

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