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:
Jul. 02, 1996

Filed:

Aug. 23, 1993
Applicant:
Inventors:

Masami Murayama, Yokohama, JP;

Shuji Yoshimura, Kawasaki, JP;

Tetsuo Kawamata, Kawasaki, JP;

Atsushi Yoshioka, Yokohama, JP;

Assignee:

Fujitsu Limited, Kawasaki, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G05B / ;
U.S. Cl.
CPC ...
34082506 ; 34082507 ; 3701101 ;
Abstract

A control data transmission system controls an electronic switching system with few signal lines. Control data are split into a plurality of fixed-length bit blocks. The control data sequence number specification signals identify the fixed-length bit blocks. The control data sequence number specification signals are paired with corresponding control data signals carrying the contents of one of the fixed-length bit blocks and a control data validity specification signal for validating transmission of the control data. The control data sequence number specification signals are decoded and the contents of respective bit blocks carried by the control data signals are stored according to the decoding result and the control data validity specification signal. When the contents of the fixed-length bit blocks carried by the control data signals for one unit of control data are stored, the control data are analyzed.


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