JPS5417604A - Information transmitter - Google Patents

Information transmitter

Info

Publication number
JPS5417604A
JPS5417604A JP8239977A JP8239977A JPS5417604A JP S5417604 A JPS5417604 A JP S5417604A JP 8239977 A JP8239977 A JP 8239977A JP 8239977 A JP8239977 A JP 8239977A JP S5417604 A JPS5417604 A JP S5417604A
Authority
JP
Japan
Prior art keywords
data
information transmitter
rapidly
change
station
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
Application number
JP8239977A
Other languages
Japanese (ja)
Other versions
JPS5746698B2 (en
Inventor
Fumiya Nagata
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP8239977A priority Critical patent/JPS5417604A/en
Publication of JPS5417604A publication Critical patent/JPS5417604A/en
Publication of JPS5746698B2 publication Critical patent/JPS5746698B2/ja
Granted legal-status Critical Current

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

Abstract

PURPOSE:To enable a supervisory station to gather data more rapidly and to transfer fault information, etc., rapidly, by transmitting not data but a signal indicating no change in data when data have no change in a supervised station.
JP8239977A 1977-07-08 1977-07-08 Information transmitter Granted JPS5417604A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8239977A JPS5417604A (en) 1977-07-08 1977-07-08 Information transmitter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8239977A JPS5417604A (en) 1977-07-08 1977-07-08 Information transmitter

Publications (2)

Publication Number Publication Date
JPS5417604A true JPS5417604A (en) 1979-02-09
JPS5746698B2 JPS5746698B2 (en) 1982-10-05

Family

ID=13773504

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8239977A Granted JPS5417604A (en) 1977-07-08 1977-07-08 Information transmitter

Country Status (1)

Country Link
JP (1) JPS5417604A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57113659A (en) * 1980-12-29 1982-07-15 Hitachi Denshi Ltd Remote monitor and control system
JPS5848593A (en) * 1981-09-18 1983-03-22 Toshiba Corp Polling transmission system
JPS60112384A (en) * 1983-11-22 1985-06-18 Pioneer Electronic Corp Polling communication system in catv
JPH0376343A (en) * 1989-08-18 1991-04-02 Oki Electric Ind Co Ltd Packet processing equipment

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57113659A (en) * 1980-12-29 1982-07-15 Hitachi Denshi Ltd Remote monitor and control system
JPS5848593A (en) * 1981-09-18 1983-03-22 Toshiba Corp Polling transmission system
JPH0254719B2 (en) * 1981-09-18 1990-11-22 Tokyo Shibaura Electric Co
JPS60112384A (en) * 1983-11-22 1985-06-18 Pioneer Electronic Corp Polling communication system in catv
JPH0376343A (en) * 1989-08-18 1991-04-02 Oki Electric Ind Co Ltd Packet processing equipment

Also Published As

Publication number Publication date
JPS5746698B2 (en) 1982-10-05

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