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:
Apr. 16, 1991
Filed:
Feb. 22, 1989
Applicant:
Inventor:
Eiichi Ishii, Tokyo, JP;
Assignee:
NEC Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H03M / ;
U.S. Cl.
CPC ...
341144 ; 341118 ;
Abstract
A digital-to-analog converter which includes a plurality of flip-flops each temporarily storing the corresponding bit data of digital data to be converted into an analog signal and producing true and complementary outputs relative to the stored data, the true outputs from the respective flip-flops being added with each other by a first adder and the complementary outputs from the respective flip-flops being added with each other by a second adder, and a subtracter subtracting the output from the second adder from the output from the first adder to obtain a final analog signal.