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:
Oct. 15, 2002

Filed:

Oct. 15, 1998
Applicant:
Inventors:

Masataka Sakai, Kawasaki, JP;

Naoshi Miyashita, Kawasaki, JP;

Assignee:

Fujitsu Limited, Kawasaki, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04L 5/16 ;
U.S. Cl.
CPC ...
H04L 5/16 ;
Abstract

Disclosed is a simplex/duplex switching system which can easily cope with a simplex configuration or a duplex configuration. The simplex/duplex switching system includes a first device for outputting a predetermined frame signal carrying a plurality of time slot signals; and multiple second devices, each of which is paired with another device having the same structure, wherein, when paired second devices serve together as a simplex device, each of the second devices alternately receives the time slot signals included in the predetermined frame signal; and wherein, when paired second devices serve together as a duplex device, both of the second devices receive all of the time slot signals included in the predetermined frame signal.


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