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:
Jan. 18, 2011
Filed:
Mar. 30, 2009
Noriaki Matsuno, Kawasaki, JP;
Yoshinori Horiguchi, Kawasaki, JP;
Yuu Yamaguchi, Kawasaki, JP;
Orie Tsuzuki, Kawasaki, JP;
Tomonobu Kurihara, Kawasaki, JP;
Isao Sakakida, Kawasaki, JP;
Tadashi Maeda, Minato-ku, JP;
Tomoyuki Yamase, Minato-ku, JP;
Noriaki Matsuno, Kawasaki, JP;
Yoshinori Horiguchi, Kawasaki, JP;
Yuu Yamaguchi, Kawasaki, JP;
Orie Tsuzuki, Kawasaki, JP;
Tomonobu Kurihara, Kawasaki, JP;
Isao Sakakida, Kawasaki, JP;
Tadashi Maeda, Minato-ku, JP;
Tomoyuki Yamase, Minato-ku, JP;
NEC Corporation, Tokyo, JP;
Renesas Electronics Corporation, Kanagawa, JP;
Abstract
A signal processing device includes a detecting part that detects intensity of an input signal, a timer part that includes a time constant circuit and measures time based on a time constant of the time constant circuit, and a determination circuit that counts the number of times of switching of the input signal detected by the detecting part within the time measured by the time constant circuit.