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:
Jul. 16, 2002
Filed:
May. 16, 2000
Applicant:
Inventors:
Toshiyuki Okayasu, Tokyo, JP;
Hiroshi Tsukahara, Tokyo, JP;
Assignee:
Advantest Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H03H 1/126 ;
U.S. Cl.
CPC ...
H03H 1/126 ;
Abstract
The delay signal generating apparatus according to the present invention for outputting a delay signal obtained by delaying a reference signal includes: a phase shift device capable of outputting a plurality of shift signals having phases shifted from a phase of the reference signal by different shift amounts, respectively; and a shift signal selector capable of selecting one of the shift signals that has a phase shifted by a predetermined shift amount and outputting the selected shift signal.