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:
Dec. 01, 1992
Filed:
Sep. 19, 1989
Applicant:
Inventors:
Assignee:
Hitachi, Ltd., Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04L / ; H04L / ;
U.S. Cl.
CPC ...
370 941 ; 370 943 ; 371 32 ; 371 33 ;
Abstract
A packet communication processing method in a communication apparatus which performs communication with end apparatus for performing data link layer processing according to a data link protocol such as HDLC or similar protocol, in which method information frames (I frames) are received regardless of the rightness of a sending sequence number N(S) which is included in a control field (C field) in each of the received information so as to indicate the sequence of the I frames.