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:
Mar. 23, 1993

Filed:

May. 04, 1992
Applicant:
Inventors:

Akio Fujimoto, Yokohama, JP;

Nobuo Shirai, Hino, JP;

Assignee:

Fujitsu Limited, Kawasaki, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04L / ;
U.S. Cl.
CPC ...
370 941 ;
Abstract

Data flow control applied to a packet communication system including data terminal equipment (DTE), a first MODEM connected to one of the DTEs, a telephone switching nework (TSN) connected to the first MODEM, a packet switching network (PSN) having an assembly and disassembly equipment (PAD) and a second MODEM connected to PAD and provided between PAD and TSN and carried out by using MODEM control signals, logic signal '1' and '0', and control characters, DC1 and DC3, is performed: discriminating a designated response signal, /REL in CONNECT .alpha..beta..gamma..delta./REL. from a header of data transferred through the first and second MODEMs each having a buffer memory used for error correction of the data. In addition the MODEM control signals are made effective and the control characters are made ineffective and are controlled when the designated response signal is detected. The MODEM control signals are made ineffective and the control characters are made effective when no designated response signal is detected at PAD.


Find Patent Forward Citations

Fujimoto, Akio. (1993). Packet communication system using a telephone switching network and a (U.S. Patent No. 5197067). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5197067

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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