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:
Sep. 24, 2013
Filed:
Aug. 27, 2008
Applicants:
Masato Tomita, Kasugai, JP;
Takashi Shimizu, Kasugai, JP;
Hideaki Watanabe, Kasugai, JP;
Inventors:
Assignee:
Fujitsu Semiconductor Limited, Yokohama, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04M 1/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A data transmission circuit transmitting an activation signal prior to a data signal through a signal transmission line, including: an activation detection signal generation unit for generating an activation detection signal by detecting the activation signal; and a wakeup signal generation unit for being activated by the activation detection signal, and generating a wakeup signal by detecting that the activation signal is transmitted for a predetermined time.