Complementary latching disabling circuit

Details Complementary latching disabling circuit Complementary latching disabling circuit

1978-02-09

1979-04-03

Blum, Theodore M.

Electric lamp and discharge devices: systems

Cathode ray tube circuits

Power supply from deflection circuit source

358243, H01J 2970

Patent

active

041479645

ABSTRACT:
An oscillator responsive to a control signal generates a first signal at a first rate at an output terminal. A first transistor is coupled to the output terminal and to a load circuit. Normal operation of the load circuit depends upon the first transistor switching conductive states at the first rate. A second complementary type conductivity transistor forms a complementary disabling latch with the first transistor. A fault signal activates the latch and prevents the first transistor from switching conductive states, thereby disabling normal load circuit operation.

REFERENCES:
patent: 3931567 (1976-01-01), Kostecki
patent: 4045742 (1977-08-01), Meehan et al.
patent: 4074323 (1978-02-01), Griffey

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