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:
Oct. 02, 2012
Filed:
Apr. 03, 2009
Applicants:
Michihiro Asanuma, Chigasaki, JP;
Tadashi Shimizu, Tokyo, JP;
Akio Kawase, Fujisawa, JP;
Inventors:
Assignee:
Hitachi, Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
H04W 52/00 (2009.01); H04B 1/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention provides with a terminal having a monitoring period changing function for changing the value (monitoring period) of a no-traffic monitoring timer of the terminal by feeding back the information on radio signal conditions, and a no-traffic monitoring function for changing the status of the call of the terminal to 'a disconnected state for only receiving radio signal from a base station' depending on the value (monitoring period) of the no-traffic monitoring timer based on the information fed back.