Electricity: power supply or regulation systems – Remote sensing
Patent
1976-10-21
1978-08-15
Goldberg, Gerald
Electricity: power supply or regulation systems
Remote sensing
323 22T, 323 25, 323DIG1, 363124, G05F 156, G05F 158
Patent
active
041075960
ABSTRACT:
Input and output switching transistors are alternatively activated to form a charging path and a discharging path for an inductor. The inductor periodically charges through the input transistor from an unregulated rechargeable battery, and discharges through the output transistor into an output capacitor. The output voltage taken across the output capacitor is regulated by negative feedback which varies the inductor charging period through the input transistor. The converter regulation is bidirectional. The voltage from the battery is initially greater than the regulated output voltage, but decreases to a value less than the output voltage as the battery discharges. When the battery is fully charged the converter regulates the battery voltage down to the output voltage. As the battery voltage drops through discharge, the converter regulates the lower battery voltage up to the output voltage. When the output voltage is not required by the data gathering apparatus, the output transistor is deactivated terminating the output voltage and establishing a residual standby mode in the power converter.
REFERENCES:
patent: 3353032 (1967-11-01), Morgan et al.
patent: 3523239 (1970-08-01), Heard
patent: 3571697 (1971-03-01), Phillips
patent: 3621372 (1971-11-01), Paine
patent: 3781653 (1973-12-01), Marini
patent: 3931567 (1976-01-01), Kostecki
patent: 4002965 (1977-01-01), Hollander
Telettra No. 27, pp. 67-72, Nov. 1975, "Multiplex Equip. Power Supply" by C. Eccher.
Treiber Robert
Weaver Daniel J.
Wolanow Avner
Goldberg Gerald
Hentzel Paul
Kesterson James C.
The Singer Company
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