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. 30, 1990
Filed:
Oct. 27, 1988
Applicant:
Inventors:
Ryoichi Mori, Bunkyo-ku, Tokyo 113, JP;
Kazuo Toraichi, Sayama-shi, Saitama 350-13, JP;
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H03M / ;
U.S. Cl.
CPC ...
341147 ;
Abstract
A continuous analog signal is produced by successively generating digital data V.sub.K (K=. . . , -4, -3, -2, -1, 0, 1, 2, 3, . . . ) every predetermined sampling period T, repeatedly generating, successively at a period 3T, signals .phi.(t+T), .phi.(t), .phi.(t-T), where a unit pulse response signal .psi.(t) is expressed by