Radio terminal apparatus equipped with battery power saving function, and mobile communication system using the same

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 6263200
SERIAL NO

08997306

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

A radio terminal apparatus is arranged by a signal receiving circuit for receiving an externally supplied signal; a power supply for supplying electric power to each of circuit portions of the radio terminal apparatus; judging means for judging a reception signal field strength of the received external signal; and a power supply control unit for intermittently supplying the electric power derived from the power supply to the signal receiving circuit, while changing a power supplying period in response to the reception signal field strength judged by the judging means under call waiting state of the radio terminal apparatus. Further, a mobile communication system is arranged by these radio terminal apparatus, radio base station control apparatus, and radio base station apparatus.

Loading the Abstract Image... loading....

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

  • NEC CORPORATION

International Classification(s)

  • [Classification Symbol]
  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Fujimoto, Koji Tokyo, JP 126 1056

Cited Art Landscape

Load Citation

Patent Citation Ranking

Forward Cite Landscape

Load Citation