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:
Nov. 01, 1994

Filed:

Mar. 17, 1992
Applicant:
Inventors:

Naoki Aihara, Kawasaki, JP;

Shuji Yoshimura, Kawasaki, JP;

Naoki Fukuda, Fukuoka, JP;

Tadashi Hoshino, Kawasaki, JP;

Assignee:

Fujitsu Limited, Kanagawa, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04L / ;
U.S. Cl.
CPC ...
370 60 ; 370 23 ;
Abstract

It is determined whether or not a passing cell is a cell to be measured. If yes, a signal synchronous with the passing cycle of the cell is generated by a synchronous signal generator. The synchronous signal is digitally processed by a digital signal processor. Thus, each parameter related to the number of passing cells is obtained by converting the analysis based on the time axis to the area analysis based on the frequency axis.


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