Cradle charger controller with below ground level biasing

Details Cradle charger controller with below ground level biasing Cradle charger controller with below ground level biasing

2007-09-17

2010-11-09

Tso, Edward (Department: 2858)

Electricity: battery or capacitor charging or discharging

Cell or battery charger structure

Charger inductively coupled to cell or battery

C320S132000, C320S128000, C320S152000

Reexamination Certificate

active

07830115

ABSTRACT:
A cradle charging system comprises a charging cradle defining a space for a battery of an electronic device. Transformer charging circuitry for charging the battery in the electronic device includes a primary side circuitry for receiving a charging voltage. Secondary side circuitry inductively couples the charging voltage to the battery. The secondary side circuitry provides a controlled output signal based on either constant voltage control or constant current control responsive to a charge level of the battery.

REFERENCES:
patent: 5422560 (1995-06-01), Yan
patent: 5486750 (1996-01-01), Walborn et al.
patent: 5646501 (1997-07-01), Fishman et al.
patent: 6683438 (2004-01-01), Park et al.
patent: 7425816 (2008-09-01), Meyer et al.
patent: 2008/0150487 (2008-06-01), Liu et al.

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