Circuit having a feed circuit for supplying current to a load re

Details Circuit having a feed circuit for supplying current to a load re Circuit having a feed circuit for supplying current to a load re

1985-08-20

1988-03-15

Shoop, Jr., William M.

Electrical transmission or interconnection systems

Switching systems

Switch actuation

307112, 307 77, 323282, H01H 326, G05F 140

Patent

active

047315504

ABSTRACT:
A circuit for supplying current to a load connected to a pair of output leaves of the circuit has at least one feed circuit, an electronic switch disposed between the feed circuit and the leaves having a transistor with a control electrode and a controlled path, and a control means for operating the electronic switch to disconnect the feed circuit from at least one of the leads when the feed circuit de-energized and to connect the feed circuit to at least one of the leads when the feed circuit is energized. The control means has a further transistor with a controlled path connected in series with the control electrode of the transistor in the electronic switch, and a control electrode connected to the controlled path of the transistor in the electronic switch. The control means further has a resistor connected between the control electrode of the further transistor and one of the load leads.

REFERENCES:
patent: 3670233 (1972-06-01), Zellmer et al.
patent: 3671852 (1972-06-01), Ritzenthaler
patent: 3733525 (1973-05-01), Ballman
patent: 3906310 (1975-09-01), Esashika
patent: 3983472 (1976-09-01), Morris
patent: 4242629 (1980-12-01), Shuey
patent: 4362952 (1982-12-01), Ziegler
patent: 4507568 (1985-03-01), Ziegler et al.
patent: 4562401 (1985-12-01), Ziegler
"Elektrisch Fernuberwachen und Fernbedienen," Jahn, 1962, p. 218.
"Schalterdienst," Regler, Funkschau, vol. 1, 1983, pp. 67-71.

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