JPS6480199A - Transmitter-receiver - Google Patents

Transmitter-receiver

Info

Publication number
JPS6480199A
JPS6480199A JP23792587A JP23792587A JPS6480199A JP S6480199 A JPS6480199 A JP S6480199A JP 23792587 A JP23792587 A JP 23792587A JP 23792587 A JP23792587 A JP 23792587A JP S6480199 A JPS6480199 A JP S6480199A
Authority
JP
Japan
Prior art keywords
jumper
transmission
pattern
periodicity
controllers
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
JP23792587A
Other languages
Japanese (ja)
Inventor
Akihiko Yasuda
Jun Nakamura
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.)
Harman Co Ltd
Original Assignee
Harman 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 Harman Co Ltd filed Critical Harman Co Ltd
Priority to JP23792587A priority Critical patent/JPS6480199A/en
Publication of JPS6480199A publication Critical patent/JPS6480199A/en
Pending legal-status Critical Current

Links

Landscapes

  • Arrangements For Transmission Of Measured Signals (AREA)
  • Selective Calling Equipment (AREA)

Abstract

PURPOSE:To attain mutual transmission-reception by using a pattern in response to the transmission content so as to erase the periodicity given on a jumper by an oscillation means and varying the propriety change pattern of the periodicity in a DC current on the jumper so as to send a signal thereby having only to provide one oscillation means in the connection system of the jumper. CONSTITUTION:The erasure of the periodicity in a pattern in response to the content of transmission is executed based on a command from a transmission control circuit 8 of a controller with respect to a DC current on a jumper 5 by a modulation circuit 7 of any of controllers 1-3. The pattern of the periodicity erasure executed by a modulation circuit 7 of a sender side controller is detected in a demodulation circuit 9 in the other controllers. The content of signal is grasped by the reception control circuit 10 based on the detection pattern. The signal is received among the controllers 1-3 by utilizing the jumper 5 for DC power distribution in the transmission/reception form.
JP23792587A 1987-09-22 1987-09-22 Transmitter-receiver Pending JPS6480199A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP23792587A JPS6480199A (en) 1987-09-22 1987-09-22 Transmitter-receiver

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP23792587A JPS6480199A (en) 1987-09-22 1987-09-22 Transmitter-receiver

Publications (1)

Publication Number Publication Date
JPS6480199A true JPS6480199A (en) 1989-03-27

Family

ID=17022487

Family Applications (1)

Application Number Title Priority Date Filing Date
JP23792587A Pending JPS6480199A (en) 1987-09-22 1987-09-22 Transmitter-receiver

Country Status (1)

Country Link
JP (1) JPS6480199A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06258099A (en) * 1993-03-09 1994-09-16 Sankyo Seiki Mfg Co Ltd Multiple rotation absolute encoder
JP2020009158A (en) * 2018-07-09 2020-01-16 アズビル株式会社 Two-wire process unit

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55105459A (en) * 1979-02-07 1980-08-13 Matsushita Electric Works Ltd Signal transmission system
JPS6174424A (en) * 1984-09-20 1986-04-16 Nisshin Sangyo Kk Answer back system by power line carrier

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55105459A (en) * 1979-02-07 1980-08-13 Matsushita Electric Works Ltd Signal transmission system
JPS6174424A (en) * 1984-09-20 1986-04-16 Nisshin Sangyo Kk Answer back system by power line carrier

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06258099A (en) * 1993-03-09 1994-09-16 Sankyo Seiki Mfg Co Ltd Multiple rotation absolute encoder
JP2020009158A (en) * 2018-07-09 2020-01-16 アズビル株式会社 Two-wire process unit
CN110707678A (en) * 2018-07-09 2020-01-17 阿自倍尔株式会社 Double-line process device
CN110707678B (en) * 2018-07-09 2023-02-28 阿自倍尔株式会社 Double-line process device

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