Patent · US Expired

Power source device

US5479056A · kind A · utility

14Cited by
8References
16Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJul 11, 1994
Grant dateDec 26, 1995
Priority date
Expiry dateJul 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.