Modulated energy conservative current supply

Details Modulated energy conservative current supply Modulated energy conservative current supply

1974-10-09

1976-01-27

Goldberg, Gerald

Electricity: power supply or regulation systems

Remote sensing

307 52, 315387, 315411, 323DIG1, G05F 162

Patent

active

039355292

ABSTRACT:
A regulated current source including a large inductance provides desired, average DC current by modulation of an electron switch, such that the inductance is disconnected from the power supply on a regular basis by a clock circuit, and the switch reconnects the power supply when the current in a return path to the inductor has decayed to a desired magnitude. The desired decay current across a resistor is compared with a reference which turns the switch on in the absence of the turn-off signal from a clock. As an energy saving adjunct in a deflection amplifier system for a CRT, a bipolar embodiment employing a single large inductance and duplicate other apparatus provides a regulated current of either polarity or zero magnitude, the inductor current being maintained even when providing zero current with the deflection system.

REFERENCES:
patent: 3237008 (1966-02-01), Karp et al.
patent: 3404310 (1968-10-01), Williams
patent: 3426245 (1969-02-01), Yurasek et al.
patent: 3562623 (1971-02-01), Farnsworth
patent: 3600666 (1971-08-01), Gliever
patent: 3621372 (1971-11-01), Paine
patent: 3628083 (1971-12-01), Holmes
patent: 3787730 (1974-01-01), Ray et al.
patent: 3818306 (1974-06-01), Marini
patent: 3818318 (1974-06-01), Schott et al.
patent: 3835368 (1974-09-01), Williams
patent: 3849665 (1974-11-01), Wells

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