High frequency battery charger

Details High frequency battery charger High frequency battery charger

1979-01-30

1981-04-07

Pellinen, A. D.

Electricity: battery or capacitor charging or discharging

Serially connected batteries or cells

With discharge of cells or batteries

320 32, 320 35, 320 43, 320 60, 363 18, H02J 710

Patent

active

042609437

ABSTRACT:
A high frequency battery charger operable from a 120 volt AC line power source which is rectified and converted by a blocking oscillator into 20-200 Khz rectified output for battery charging. A sensor for determining full battery charge serves as a power cut off to the battery with provision, if desired, for continued trickle charge of the battery.

REFERENCES:
patent: 2920259 (1960-01-01), Light
patent: 3244963 (1966-04-01), Kreckel
patent: 3534241 (1970-10-01), Wilson et al.
patent: 3621363 (1971-11-01), Ginnman et al.
patent: 3639826 (1972-02-01), Grundberg
patent: 4021717 (1977-05-01), Furuishi et al.
patent: 4084219 (1978-04-01), Furukawa et al.
patent: 4145572 (1979-03-01), Stewart
patent: 4172277 (1979-10-01), Pinson
Velthooven et al., "Low Cost Forward Converters Ease Switching Supply Design", Electronics, Feb. 2, 1978, pp. 119-123.
Poel, "Pick the Right DC/DC Converter", Electronic Design 12, Jun. 7, 1978, pp. 104-108.
Millman et al., "Pulse, Digital & Switching Waveforms", 1965, pp. 614, 927.

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