Communication apparatus and power supply device therefor
US5914538A · kind A · utility
27Cited by
11References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 25, 1994 |
| Grant date | Jun 22, 1999 |
| Priority date | — |
| Expiry date | Apr 25, 2014 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02B10/70
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A power supply device for a communication apparatus includes a main power supply for supplying electric power to respective units of a communication apparatus main body, a main power supply control unit for ON/OFF-controlling the main power supply, and a battery for supplying electric power to the main power supply control unit. When the main power supply is ON, the main power supply control unit receives power supply from the main power supply. When the main power supply is OFF, the main power supply control unit receives power supply from the battery.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.