Automatic kinescope beam current limiter

Details Automatic kinescope beam current limiter Automatic kinescope beam current limiter

1984-04-26

1985-12-31

Groody, James J.

Facsimile and static presentation processing

Facsimile

Recording apparatus

358 74, H04N 568, H04N 916

Patent

active

045624798

ABSTRACT:
In a television receiver, an automatic kinescope beam current limiter circuit includes a current path between a beam current sense point and an interating capacitor across which a control voltage is developed. A threshold conduction device causes the current path to exhibit different impedance characteristics and associated response times so that the limiter circuit has the ability to respond to average beam current values, as well as to above average r.m.s. beam current values such as may be associated with peak beam current conditions.

REFERENCES:
patent: 3842201 (1974-10-01), Ghaem-Maghami et al.
patent: 3914545 (1975-10-01), Engel
patent: 3980822 (1976-09-01), Suzuki et al.
patent: 4017681 (1977-04-01), Smeulers et al.
patent: 4167025 (1979-09-01), Willis

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