Patent · US Expired

Power-saving mode for portable communication devices

US6735456B2 · kind B2 · utility

9Cited by
17References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 27, 2002
Grant dateMay 11, 2004
Priority date
Expiry dateNov 27, 2022

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02D30/70
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

Apparatus for ensuring that, in a portable, battery-powered communication package incorporating at least two communication devices, such as a combination cellular telephone and a pager, sufficient power is provided for extended operation of the communication device having the lowest continuous power consumption requirements when the device having a higher continuous power consumption rate has consumed a selected portion of the total power initially available to the combined devices.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.