The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 24, 2005
Filed:
Jun. 14, 2000
Wataru Uchida, Tokyo, JP;
Wataru Uchida, Tokyo, JP;
NEC Corporation, Tokyo, JP;
Abstract
Power consumption of a mobile terminal is suppressed by regulating a data transmission rate, depending on a residual amount of battery power. Battery holding times and maximum data transmission rates are stored in a table. A battery holding time calculation unit calculates an estimated battery holding time on the basis of a residual amount of battery power detected by a battery residual amount detection unit and transmission power information generated by the transmission power control unit. A comparison unit reads out from the table the maximum data transmission rate which corresponds to the estimated battery holding time, and compares the read-out maximum data transmission rate with the data transmission rate to be used by the mobile terminal. By using a lower data transmission rate obtained as the comparison result, a call request is made by the mobile terminal.