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.

Date of Patent:
Sep. 18, 2001

Filed:

Mar. 27, 2000
Applicant:
Inventors:

Masahiro Kamoshida, Yokohama, JP;

Hironobu Akita, Yokohama, JP;

Assignee:

Kabushiki Kaisha Toshiba, Kawasaki, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C 7/00 ;
U.S. Cl.
CPC ...
G11C 7/00 ;
Abstract

A delay line for forward pulse has a plurality of delay units for forward pulse. A delay line for backward pulse has a plurality of delay units for backward pulse. In the delay line for backward pulse, a pulse signal is propagated in an opposite direction to a direction of the propagation in the delay line for forward pulse. A direction from an input terminal to an output terminal in the delay units for forward pulse is set to be parallel to a direction of the delay line for forward pulse. A direction from an input terminal to an output terminal in the delay units for backward pulse is set to be parallel to a direction of the delay line for backward pulse. The directions from the input terminal to the output terminal in two adjacent ones of the delay units for forward pulse are set to be opposite to one another. The directions from the input terminal to the output terminal in two adjacent ones of the delay units for backward pulse are set to be opposite to one another.


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