Electric lamp and discharge devices: systems – Cathode ray tube circuits – Cathode-ray deflections circuits
Patent
1991-12-30
1993-01-12
Blum, Theodore M.
Electric lamp and discharge devices: systems
Cathode ray tube circuits
Cathode-ray deflections circuits
358158, H01J 2970, H01J 2972
Patent
active
051793210
ABSTRACT:
Retrace pulses are integrated by an R-C network to produce a ramp signal. The resistive member of the R-C network is bypassed by a diode to provide rapid retrace at the conclusion of the ramp portion of the integrated signal. A voltage divider at the output of the integrator adjusts the DC level of the ramp signal without affecting the constant of integration of the R-C network.
REFERENCES:
patent: 4037137 (1977-07-01), Dietz
patent: 4591910 (1986-05-01), Lai et al.
Smith Lawrence E.
Wilber James A.
Blum Theodore M.
Laks Joseph J.
Sragow Daniel E.
Thomson Consumer Electronics Inc.
Tripoli Joseph S.
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