Transceiver battery charging apparatus and method

Details Transceiver battery charging apparatus and method Transceiver battery charging apparatus and method

1986-04-09

1987-08-04

Salce, Patrick R.

Electricity: battery or capacitor charging or discharging

Serially connected batteries or cells

With discharge of cells or batteries

320 2, 320 23, H02J 700

Patent

active

046848703

ABSTRACT:
An apparatus and method for recharging a rechargeable battery in a hand-held transceiver while maintaining communications capability through the transceiver. The battery charger is housed in a charging unit to which the transceiver can be removably attached. A dual-mode charging circuit generates a first voltage during transmit mode and a second, higher voltage during receive mode, and includes a DC-DC converter for generating the second voltage. The charger includes a push-to-talk (PTT) switch and mode control circuitry for simultaneously controlling the operating modes of the charger and transceiver, and additionally includes a separate microphone, speaker, and audio and RF amplifiers for providing greater RF power and audio power while the transceiver battery is being recharged.

REFERENCES:
patent: 3852652 (1974-12-01), Jasinski
patent: 3962591 (1976-06-01), Popka
patent: 4095184 (1978-06-01), Hochstein et al.
patent: 4281377 (1981-07-01), Evans
patent: 4290002 (1981-09-01), Piotti
Pawson, Ian, "Battery Charger for Portable Video", Television, Jan. 1980, vol. 30, No. 3, pp. 142-143.

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