| US 7,554,288 B2 | ||
| Random number generator in a battery pack | ||
| Gunnar Gangstoe, Trondheim (Norway); Hideyuki Sato, Chiba (Japan); and Arne Aas, Trondheim (Norway) | ||
| Assigned to ATMEL Corporation, San Jose, Calif. (US); and Sony Corporation, Tokyo (Japan) | ||
| Filed on Mar. 10, 2006, as Appl. No. 11/373,859. | ||
| Prior Publication US 2007/0214293 A1, Sep. 13, 2007 | ||
| Int. Cl. H01M 10/46 (2006.01) | ||
| U.S. Cl. 320—107 | 11 Claims |
| 1. A method of communication, comprising:
enabling determining when a battery pack is coupled to a device, the battery pack including a battery management system;
generating a random number at the battery management system, the battery management system including battery monitoring circuitry,
a processor, memory and a random number generator;
using the random number to provide authentication, at the battery management system, of the device; and
if authentication succeeds, enabling communication between the battery pack and the device.
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