Battery pack and electronic equipment having a discrimination function to determine battery pack type
US7570014B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jan 9, 2007 |
| Grant date | Aug 4, 2009 |
| Priority date | — |
| Expiry date | Sep 28, 2027 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02J7/00047
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The battery pack is charged by an electronic equipment and communicates with the electronic equipment. The battery pack is provided with a discrimination resistor electrically connected to communication lines, and a controller having a discrimination function for electronic equipment judgment of battery pack type from communication via the communication lines. The electronic equipment has a discrimination function that determines battery pack type utilizing the discrimination section of the battery pack controller. In addition, the electronic equipment has a discrimination function that applies voltage to the discrimination resistor to determine battery pack type.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.