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:
Sep. 03, 1991
Filed:
May. 20, 1988
Applicant:
Inventors:
Assignee:
Hitachi, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G05B / ;
U.S. Cl.
CPC ...
364900 ; 3649261 ; 3649494 ; 364939 ;
Abstract
In a buffer management system for communication apparatus, the statistical information to be collected at each station such as the number of occurences of receiver buffer busy state is counted at regular time intervals for a preset time duration, and if it becomes in excess of a predetermined number, the ratio in size of transmitter buffer area to receiver buffer area is changed in accordance with the buffer busy state number such that the size of the receiver buffer area becomes larger.