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:
Apr. 23, 1996
Filed:
Jun. 16, 1994
Applicant:
Inventor:
Naohiro Shimada, Tokyo, JP;
Assignee:
NEC Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04J / ;
U.S. Cl.
CPC ...
370102 ; 375363 ;
Abstract
In a frame transmission system for transmitting multi-frames of a DS3.C-bit parity frame system as prescribed in American National Standard and also in Proposed Contribution to CCITT (ITU-T), C1-bits assigned to the prior art DS3.C-bit parity frame, i.e., 3.times.3=9 C-bits (fixed bits) for the 2nd, 6th and 7th channels, are used as control bits of DS2 level signal for intrinsic purposes. These bits may be processed in their entirely in the same manner as with the prior art control bits.