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:
Aug. 23, 2016
Filed:
Apr. 09, 2015
Applicant:
Fujitsu Limited, Kawasaki-shi, Kanagawa, JP;
Inventors:
Yasufumi Sakai, Fuchu, JP;
Toshihiko Mori, Isehara, JP;
Assignee:
FUJITSU LIMITED, Kawasaki, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 25/02 (2006.01); H03K 5/13 (2014.01); G06F 1/02 (2006.01); H04L 27/18 (2006.01); H04L 7/00 (2006.01); H04L 27/00 (2006.01); H03K 5/00 (2006.01);
U.S. Cl.
CPC ...
H03K 5/13 (2013.01); G06F 1/022 (2013.01); H03K 2005/00052 (2013.01); H04L 7/0025 (2013.01); H04L 27/18 (2013.01); H04L 2027/0016 (2013.01);
Abstract
A phase interpolator has: a mixer configured to synthesize phases of a plurality of input cosine-wave or sine-wave signals whose phases are different from each other; and a bias generator configured to output a bias signal in accordance with a phase control signal to the mixer, and the mixer outputs a signal with a phase in accordance with the phase control signal.