JPS5396605A - Data transmission system - Google Patents
Data transmission systemInfo
- Publication number
- JPS5396605A JPS5396605A JP1100777A JP1100777A JPS5396605A JP S5396605 A JPS5396605 A JP S5396605A JP 1100777 A JP1100777 A JP 1100777A JP 1100777 A JP1100777 A JP 1100777A JP S5396605 A JPS5396605 A JP S5396605A
- Authority
- JP
- Japan
- Prior art keywords
- data transmission
- transmission system
- signal
- occasion
- vary
- 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
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q9/00—Arrangements in telecontrol or telemetry systems for selectively calling a substation from a main station, in which substation desired apparatus is selected for applying a control signal thereto or for obtaining measured values therefrom
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q2209/00—Arrangements in telecontrol or telemetry systems
- H04Q2209/70—Arrangements in the main station, i.e. central controller
- H04Q2209/75—Arrangements in the main station, i.e. central controller by polling or interrogating the sub-stations
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Small-Scale Networks (AREA)
- Communication Control (AREA)
- Selective Calling Equipment (AREA)
Abstract
PURPOSE:A receiving circuit is used in common at the slave station and only a plural number of delay switching circuits are provided to vary the transmission period of signals from the master station, so that the signal will be used as a polling starting signal or controlling signal upon occasion.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP52011007A JPS5934027B2 (en) | 1977-02-02 | 1977-02-02 | Data transmission method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP52011007A JPS5934027B2 (en) | 1977-02-02 | 1977-02-02 | Data transmission method |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5396605A true JPS5396605A (en) | 1978-08-24 |
JPS5934027B2 JPS5934027B2 (en) | 1984-08-20 |
Family
ID=11766052
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP52011007A Expired JPS5934027B2 (en) | 1977-02-02 | 1977-02-02 | Data transmission method |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5934027B2 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5552669A (en) * | 1978-10-13 | 1980-04-17 | Hashimoto Corp | Remote control system and its device via telephone line or the like |
JPS61200757A (en) * | 1985-03-01 | 1986-09-05 | Hochiki Corp | Centralized supervisory equipment |
-
1977
- 1977-02-02 JP JP52011007A patent/JPS5934027B2/en not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5552669A (en) * | 1978-10-13 | 1980-04-17 | Hashimoto Corp | Remote control system and its device via telephone line or the like |
JPS639417B2 (en) * | 1978-10-13 | 1988-02-29 | Hashimoto Corp | |
JPS61200757A (en) * | 1985-03-01 | 1986-09-05 | Hochiki Corp | Centralized supervisory equipment |
Also Published As
Publication number | Publication date |
---|---|
JPS5934027B2 (en) | 1984-08-20 |
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