JPS5481702A - Data delivery circuit - Google Patents

Data delivery circuit

Info

Publication number
JPS5481702A
JPS5481702A JP15026077A JP15026077A JPS5481702A JP S5481702 A JPS5481702 A JP S5481702A JP 15026077 A JP15026077 A JP 15026077A JP 15026077 A JP15026077 A JP 15026077A JP S5481702 A JPS5481702 A JP S5481702A
Authority
JP
Japan
Prior art keywords
station
delivery
gate
data
slave
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
Application number
JP15026077A
Other languages
Japanese (ja)
Inventor
Kazuyoshi Akatsuka
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 JP15026077A priority Critical patent/JPS5481702A/en
Publication of JPS5481702A publication Critical patent/JPS5481702A/en
Pending 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Small-Scale Networks (AREA)

Abstract

PURPOSE:To reduce the response time by delivering the data only when the condition is changed, in the delivery system of 1:n constitution. CONSTITUTION:When the condition change detector 17 or 27 of the slave station is operated, the demodulators 13,23, and decoder 14,24 detect that other slave stations receive no delivery, opening the gate 15 or 25, and the data of the coder 11 or 21 is delivered to the master station via the modulator 12 or 22 and the circuit 18 or 28 is controlled to disconnect the slave station subsequent from the delivery line 16. Further, the slave station near the master station causes the conditional change, then if other station is during the data delivery, the gate 15 is kept closed and the gate is opened after the end of delivery of the other station.
JP15026077A 1977-12-13 1977-12-13 Data delivery circuit Pending JPS5481702A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15026077A JPS5481702A (en) 1977-12-13 1977-12-13 Data delivery circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15026077A JPS5481702A (en) 1977-12-13 1977-12-13 Data delivery circuit

Publications (1)

Publication Number Publication Date
JPS5481702A true JPS5481702A (en) 1979-06-29

Family

ID=15493042

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15026077A Pending JPS5481702A (en) 1977-12-13 1977-12-13 Data delivery circuit

Country Status (1)

Country Link
JP (1) JPS5481702A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5665550A (en) * 1979-11-02 1981-06-03 Nippon Telegr & Teleph Corp <Ntt> Calling out system for terminal device
JPS62109447A (en) * 1985-11-07 1987-05-20 Hitachi Cable Ltd Transmission method
JPS62239639A (en) * 1986-04-10 1987-10-20 Nec Corp Data collection system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5665550A (en) * 1979-11-02 1981-06-03 Nippon Telegr & Teleph Corp <Ntt> Calling out system for terminal device
JPS62109447A (en) * 1985-11-07 1987-05-20 Hitachi Cable Ltd Transmission method
JPS62239639A (en) * 1986-04-10 1987-10-20 Nec Corp Data collection system

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