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. 04, 1995
Filed:
Mar. 18, 1994
Applicant:
Inventor:
Masayoshi Inoue, Kawasaki, JP;
Assignee:
Fujitsu Ltd., , JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04L / ;
U.S. Cl.
CPC ...
370 24 ; 370 31 ; 375222 ;
Abstract
A data transmission unit includes a plurality of ports respectively connected to one of a plurality of terminals, a data transmission controller which is connected to a line and controls a data transmission, and a control part which is coupled between the data transmission controller and the ports and exchanges data between one of the ports and the data transmission controller in response to a call out command which is received from one of the terminals via the one of the ports.