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. 29, 2009
Filed:
Mar. 01, 2007
Applicant:
Tszshing Cheung, Kawasaki, JP;
Inventor:
Tszshing Cheung, Kawasaki, JP;
Assignee:
Fujitsu Limited, Kawasaki, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03B 19/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The frequency divider includes the buffer, the function selectorand the inverter. The output of the function selectoris input to the buffer. The output of the bufferis fed back to the function selectorby two paths. One path includes the inverterand the other does not. The function selectorselects one of the paths in synchronous with input clock CK. At one timing the output of the bufferis flipped by the inverter. At the next timing the output of the bufferis held the same by the function selectorselecting the path not including the inverter