Electricity: power supply or regulation systems – Remote sensing
Patent
1975-05-01
1976-10-12
Goldberg, Gerald
Electricity: power supply or regulation systems
Remote sensing
317 31, 317 33SC, 321 45C, 323 22SC, H02H 320
Patent
active
039860787
ABSTRACT:
A circuit for connecting to the output of a constant-current power supply for limiting output voltage in the event of an interruption, such as open circuits, in a feed comprises a first resistor and a first thyristor in series across the output and a second resistor and a second thyristor in series across the output, a capacitor connecting the junction of the first resistor with the first thyristor to the junction of the second resistor with the second thyristor. Triggering of the first resistor connects the first resistor to the output so as to form a dummy load and triggering of the second thyristor turns off the first thyristor.
REFERENCES:
patent: 3382409 (1968-05-01), Assow et al.
patent: 3407335 (1968-10-01), Hartung
patent: 3593063 (1971-07-01), Cavil
patent: 3663942 (1972-05-01), Jakobsen
patent: 3683267 (1972-08-01), Akamatsu
patent: 3818274 (1974-06-01), DeWitte et al.
Tollrian Herwig
Weinfurtner Gunter
Goldberg Gerald
Tekade Felten & Guilleaume Fernmeldeanlagen GmbH
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