JPS55118138A - Priority control system - Google Patents
Priority control systemInfo
- Publication number
- JPS55118138A JPS55118138A JP2644379A JP2644379A JPS55118138A JP S55118138 A JPS55118138 A JP S55118138A JP 2644379 A JP2644379 A JP 2644379A JP 2644379 A JP2644379 A JP 2644379A JP S55118138 A JPS55118138 A JP S55118138A
- Authority
- JP
- Japan
- Prior art keywords
- transmission
- circuit
- output
- station
- self
- 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.)
- Granted
Links
Abstract
PURPOSE: To enhance the using efficiency of the transmission line and then increase the processing speed of the system, by securing the automatic transmission for only the higher-priority terminal in case the simultaneous transmission is given from several terminals.
CONSTITUTION: When the address is transmitted to input/output terminal (a) from other terminal unit B, mask circuit 15 is set by output C of receiver 23 if self-station A is not under transmission. Output (d) of circuit 15 is supplied to input/output control part 11 as well as to NOR gate 19 to block the start of serial data transmission part 12 in the state under which circuit 15 is set. Circuit 15 is reset when the high-level state of lines (a) and (c) continuous for two bits after end of the transmission of data code DA and address code ADR of other station B. At this time point, control part 11 gives start to part 12 to start the tramsmission of self- station A.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2644379A JPS55118138A (en) | 1979-03-06 | 1979-03-06 | Priority control system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2644379A JPS55118138A (en) | 1979-03-06 | 1979-03-06 | Priority control system |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS55118138A true JPS55118138A (en) | 1980-09-10 |
JPS6326576B2 JPS6326576B2 (en) | 1988-05-30 |
Family
ID=12193642
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2644379A Granted JPS55118138A (en) | 1979-03-06 | 1979-03-06 | Priority control system |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS55118138A (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57107656A (en) * | 1980-11-06 | 1982-07-05 | Cselt Centro Studi Lab Telecom | Random access channel distribution structure message exchange system for message speech between processing units |
JPS58225756A (en) * | 1982-06-24 | 1983-12-27 | Matsushita Electric Ind Co Ltd | Serial data communication device |
JPS61222344A (en) * | 1985-03-27 | 1986-10-02 | Hochiki Corp | Waiting time setting device for data transmission system |
JPS6424538A (en) * | 1987-07-20 | 1989-01-26 | Matsushita Electric Ind Co Ltd | Communication control system |
US7019866B1 (en) | 1999-08-30 | 2006-03-28 | Hewlett-Packard Development Company, L.P. | Common communication bus and protocol for multiple injet printheads in a printing system |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11309264A (en) * | 1998-04-27 | 1999-11-09 | Aruze Corp | Signal transmission system between units in game machine |
-
1979
- 1979-03-06 JP JP2644379A patent/JPS55118138A/en active Granted
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57107656A (en) * | 1980-11-06 | 1982-07-05 | Cselt Centro Studi Lab Telecom | Random access channel distribution structure message exchange system for message speech between processing units |
JPS6365177B2 (en) * | 1980-11-06 | 1988-12-14 | ||
JPS58225756A (en) * | 1982-06-24 | 1983-12-27 | Matsushita Electric Ind Co Ltd | Serial data communication device |
JPS61222344A (en) * | 1985-03-27 | 1986-10-02 | Hochiki Corp | Waiting time setting device for data transmission system |
JPS6424538A (en) * | 1987-07-20 | 1989-01-26 | Matsushita Electric Ind Co Ltd | Communication control system |
US7019866B1 (en) | 1999-08-30 | 2006-03-28 | Hewlett-Packard Development Company, L.P. | Common communication bus and protocol for multiple injet printheads in a printing system |
Also Published As
Publication number | Publication date |
---|---|
JPS6326576B2 (en) | 1988-05-30 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPS56111353A (en) | Transmitting method for control information using common transmission line | |
JPS53134304A (en) | Automatic telephone exchange system | |
JPS5745757A (en) | Ring type communication system of equal level | |
JPS55118138A (en) | Priority control system | |
JPS5641577A (en) | Stack register circuit | |
JPS5470742A (en) | Data bus control system | |
JPS5210625A (en) | Conversation type data communication terminal device | |
JPS522205A (en) | Information transmission system | |
JPS5633730A (en) | Communication control method | |
JPS53128912A (en) | Data transmission system | |
JPS5769971A (en) | Video information processing system | |
JPS533033A (en) | Code branching system for intelligent terminal unit | |
JPS53117349A (en) | Interruption system | |
JPS52134317A (en) | Information system | |
JPS543440A (en) | Communication control process system | |
JPS534403A (en) | Terminal equipment circuit block for monitor control transmission system | |
JPS53114636A (en) | Communication line control method and its unit | |
JPS53101245A (en) | Interruption processor | |
JPS53121543A (en) | Check circuit | |
JPS51112112A (en) | Time divided multi-static picture communication system | |
JPS5317040A (en) | Data terminal equipment | |
JPS54114936A (en) | Bus scramble circuit | |
JPS5398744A (en) | Data transfer system | |
JPS51123532A (en) | Direct data input system | |
JPS5251834A (en) | Input/output bus switching device |