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:
Jun. 10, 2003
Filed:
Mar. 29, 2001
Applicant:
Inventors:
Koji Okada, Kasugai, JP;
Hiroyuki Matsunami, Tajimi, JP;
Assignee:
Fujitsu Limited, Kawasaki, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03M 1/66 ;
U.S. Cl.
CPC ...
H03M 1/66 ;
Abstract
A Digital/Analog converter comprising a plurality of current sources, and a selecting circuit for selecting a current source from the plurality of current sources on the basis of a digital signal. The selecting circuit includes a first transistor in which the digital signal is supplied. The selecting circuit also includes a second transistor with the same conductivity type as the first transistor for receiving an inverted digital signal of the digital signal. The second transistor is connected to the output of the first transistor.