JPS54147390A - Remote control device - Google Patents

Remote control device

Info

Publication number
JPS54147390A
JPS54147390A JP5597478A JP5597478A JPS54147390A JP S54147390 A JPS54147390 A JP S54147390A JP 5597478 A JP5597478 A JP 5597478A JP 5597478 A JP5597478 A JP 5597478A JP S54147390 A JPS54147390 A JP S54147390A
Authority
JP
Japan
Prior art keywords
control
switch
controlled
station
transmission lines
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
JP5597478A
Other languages
Japanese (ja)
Inventor
Katsumi Watanabe
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.)
NEC Corp
Original Assignee
NEC Corp
Nippon Electric Co Ltd
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 NEC Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP5597478A priority Critical patent/JPS54147390A/en
Publication of JPS54147390A publication Critical patent/JPS54147390A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C15/00—Arrangements characterised by the use of multiplexing for the transmission of a plurality of signals over a common path
    • G08C15/06—Arrangements characterised by the use of multiplexing for the transmission of a plurality of signals over a common path successively, i.e. using time division
    • G08C15/08—Arrangements characterised by the use of multiplexing for the transmission of a plurality of signals over a common path successively, i.e. using time division the signals being represented by amplitude of current or voltage in transmission link

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Selective Calling Equipment (AREA)

Abstract

PURPOSE:To remotely control a plurality of items via two transmission lines by providing a switching circuit at a station to be controlled for selectively switching it with a control signal from a control station side to produce its output for controlling the devices at the station to be controlled. CONSTITUTION:A controller 1 of control station side is connected via two transmission lines 2 to a receiver unit 3 having a switching circuit at a station to be controlled. The controller 1 incorporates a DC power supply 4 to feed a DC voltage to the lines 2 in time shared manner. When the switch 5 is closed at the control station side, a collector current will flow through the transistor 17 of the unit 3 to thereby drive only a relay 31. When the switch 5 is opened and the switch 6 is closed, the relays 31, 32 are driven. When switches 8 to 10 are operated, they drive corresponding relays. Thus, only two transmission lines can remotely control a plurality of items.
JP5597478A 1978-05-11 1978-05-11 Remote control device Pending JPS54147390A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5597478A JPS54147390A (en) 1978-05-11 1978-05-11 Remote control device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5597478A JPS54147390A (en) 1978-05-11 1978-05-11 Remote control device

Publications (1)

Publication Number Publication Date
JPS54147390A true JPS54147390A (en) 1979-11-17

Family

ID=13014040

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5597478A Pending JPS54147390A (en) 1978-05-11 1978-05-11 Remote control device

Country Status (1)

Country Link
JP (1) JPS54147390A (en)

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