JPS5769956A - Remote monitor device - Google Patents
Remote monitor deviceInfo
- Publication number
- JPS5769956A JPS5769956A JP55146653A JP14665380A JPS5769956A JP S5769956 A JPS5769956 A JP S5769956A JP 55146653 A JP55146653 A JP 55146653A JP 14665380 A JP14665380 A JP 14665380A JP S5769956 A JPS5769956 A JP S5769956A
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- power supply
- control signal
- level
- logical
- 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
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/02—Details
- H04L12/10—Current supply arrangements
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Communication Control (AREA)
- Selective Calling Equipment (AREA)
Abstract
PURPOSE:To save power normally, by supplying power supply as required, through the control of supplied power supply for monitored device and monitoring device. CONSTITUTION:Monitor information is inputted to a monitor input circuit 3 of a monitored station 1, converted into a logical level and transmitted to a state change detection circuit 4 and a transmission logical circuit 5. This circuit 4 detects the status change in the monitor information and a power supply control signal is transmitted to a power supply control circuit 7. The circuit 7 controls the power supply from a supply circuit 8 applied to the circuit 5 and a modulation circuit 6 with a control signal from the circuit 4 and an internal timer. When the power is supplied, a signal modulated is transmitted to a monitoring station 2, the level of the reception signal is detected at a demodulation circuit 9 and applied to a power supply control circuit 13 as a power supply control signal. The recetion level is converted into a logical level, applied to a reception logical circuit 10, and the control signal from the circuit 9 is controlled with the circuit 13 and the power supply supplied to the circuit 10 and the display circuit 12 from the power supply circuit 14 is controlled with manual display request.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP55146653A JPS5769956A (en) | 1980-10-20 | 1980-10-20 | Remote monitor device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP55146653A JPS5769956A (en) | 1980-10-20 | 1980-10-20 | Remote monitor device |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5769956A true JPS5769956A (en) | 1982-04-30 |
Family
ID=15412584
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP55146653A Pending JPS5769956A (en) | 1980-10-20 | 1980-10-20 | Remote monitor device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5769956A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58115512A (en) * | 1981-12-29 | 1983-07-09 | Fujitsu Ltd | Automatic power source throw-in system |
JPS6054548A (en) * | 1983-09-05 | 1985-03-29 | Fujitsu Denso Ltd | Data transmission system |
JPH042296A (en) * | 1990-04-19 | 1992-01-07 | Fujitsu Ltd | Digital input circuit |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5124810A (en) * | 1974-08-23 | 1976-02-28 | Hitachi Ltd | |
JPS5493936A (en) * | 1978-01-06 | 1979-07-25 | Matsushita Electric Ind Co Ltd | Data communication system |
-
1980
- 1980-10-20 JP JP55146653A patent/JPS5769956A/en active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5124810A (en) * | 1974-08-23 | 1976-02-28 | Hitachi Ltd | |
JPS5493936A (en) * | 1978-01-06 | 1979-07-25 | Matsushita Electric Ind Co Ltd | Data communication system |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58115512A (en) * | 1981-12-29 | 1983-07-09 | Fujitsu Ltd | Automatic power source throw-in system |
JPS6054548A (en) * | 1983-09-05 | 1985-03-29 | Fujitsu Denso Ltd | Data transmission system |
JPH042296A (en) * | 1990-04-19 | 1992-01-07 | Fujitsu Ltd | Digital input circuit |
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