| Patent Number |
Title Of Patent |
Date Issued |
| 6998818 |
Charging circuit with two levels of safety |
February 14, 2006 |
| A battery charging circuit having two levels of safety protection is provided. The circuit is said to have "two levels" of safety because if any one component fails (either as a short circuit or as an open circuit) the remainder of the charging circuit ensures that a rechargeable battery |
| 6850040 |
Charge boost battery charging and protection circuit |
February 1, 2005 |
| A circuit and method for charging a rechargeable cell is provided. The circuit includes a voltage regulator coupled serially between a power source and a rechargeable cell. The circuit further comprises a controller capable of both monitoring the power dissipation across the voltage |
| 6828759 |
Circuit for regulating current to multiple batteries in a battery charger |
December 7, 2004 |
| A charging circuit for regulating current to a plurality of batteries is provided. The regulation is performed by a single control signal that is optionally scaled by resistor dividers. Switches coupled to the resistor dividers allow a microprocessor to actuate a particular resistor divi |
