Power source device
US5479056A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Jul 11, 1994 |
| Grant date | Dec 26, 1995 |
| Priority date | — |
| Expiry date | Jul 11, 2014 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N23/663
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A power source device to and from which an interchangeable first device can be attached and detached and operating in such a manner that when the first device is attached and when the first device is judged to be normally operating, electric power is supplied at all times to the first device, while when the first device is not attached, or when, though the first device is attached, the first device is judged not to be normally operating, electric power is supplied in a predetermined periodicity to the first device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.