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:
Mar. 04, 2014
Filed:
Aug. 05, 2010
Hirofumi Kanai, Fukuoka, JP;
Mitsuru Kawamura, Fukuoka, JP;
Kenji Kurosu, Fukuoka, JP;
Panasonic Corporation, Osaka, JP;
Abstract
Disclosed is a cordless telephone set capable of suppressing power consumption during power failures to lengthen the time for a call. A cordless telephone () receives power supply from a handset () placed on a charging section () of a base unit (), during power failures. In order to suppress current consumption of a secondary battery (BT) of the handset (), the base unit () instructs a base unit radio section () to be switched to a transmission power-saving mode in which transmission power of the base unit radio section () is reduced down to a level at which no communication error occurs, according to radio wave information transmitted from the handset () and indicates the received signal strength of a radio signal from the base unit radio section () of the base unit (), received by a handset radio section () of the handset ().