JPS55143651A - Message transmission system - Google Patents
Message transmission systemInfo
- Publication number
- JPS55143651A JPS55143651A JP5030579A JP5030579A JPS55143651A JP S55143651 A JPS55143651 A JP S55143651A JP 5030579 A JP5030579 A JP 5030579A JP 5030579 A JP5030579 A JP 5030579A JP S55143651 A JPS55143651 A JP S55143651A
- Authority
- JP
- Japan
- Prior art keywords
- office
- terminal
- response
- central office
- address
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Data Exchanges In Wide-Area Networks (AREA)
- Small-Scale Networks (AREA)
Abstract
PURPOSE: To shorten the time of transmission by sending out the same message such as a terminal control program from a central office at a time, by providing every terminal office with the method of recognizing an address assigning all terminal offices in addition to its own office address.
CONSTITUTION: The computer of central office 1 is connected to terminal offices 4 via communication circuit 3 to transmit messages. Each terminal office 4 in this constitution is provided with address recognizing circuit 6 which recognizes all terminal-office assignment addresses, and response setting circuit 5 which controls the making and stopping of an response according to a response permit command from central office 1. Then, central office 1 sends out the response permit command with a specific address and circuit 5 of terminal office 4 determines a response status responding to the command. Next, central office 1 sends a message with all terminal-office assignment addresses and each terminal office 4 receives and stores it in main memory 7 of its own, but a response to central office 1 is made by only a terminal office which is allowed to make a response.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5030579A JPS55143651A (en) | 1979-04-25 | 1979-04-25 | Message transmission system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5030579A JPS55143651A (en) | 1979-04-25 | 1979-04-25 | Message transmission system |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS55143651A true JPS55143651A (en) | 1980-11-10 |
Family
ID=12855177
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP5030579A Pending JPS55143651A (en) | 1979-04-25 | 1979-04-25 | Message transmission system |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS55143651A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5933953A (en) * | 1982-08-20 | 1984-02-24 | Hitachi Ltd | Communication control system in communication network system |
JPS59167155A (en) * | 1983-03-11 | 1984-09-20 | Hitachi Ltd | Retransmission system of simultaneous communication |
JPS63214038A (en) * | 1987-03-02 | 1988-09-06 | Matsushita Electric Ind Co Ltd | Portable terminal equipment data transmitter |
-
1979
- 1979-04-25 JP JP5030579A patent/JPS55143651A/en active Pending
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5933953A (en) * | 1982-08-20 | 1984-02-24 | Hitachi Ltd | Communication control system in communication network system |
JPS59167155A (en) * | 1983-03-11 | 1984-09-20 | Hitachi Ltd | Retransmission system of simultaneous communication |
JPH055210B2 (en) * | 1983-03-11 | 1993-01-21 | Hitachi Ltd | |
JPS63214038A (en) * | 1987-03-02 | 1988-09-06 | Matsushita Electric Ind Co Ltd | Portable terminal equipment data transmitter |
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