JPS52123102A - Workable state detection method for terminal unit - Google Patents

Workable state detection method for terminal unit

Info

Publication number
JPS52123102A
JPS52123102A JP3999576A JP3999576A JPS52123102A JP S52123102 A JPS52123102 A JP S52123102A JP 3999576 A JP3999576 A JP 3999576A JP 3999576 A JP3999576 A JP 3999576A JP S52123102 A JPS52123102 A JP S52123102A
Authority
JP
Japan
Prior art keywords
terminal unit
detection method
state detection
workable state
workable
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
JP3999576A
Other languages
Japanese (ja)
Inventor
Tsuneo Suzuki
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 JP3999576A priority Critical patent/JPS52123102A/en
Publication of JPS52123102A publication Critical patent/JPS52123102A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/24—Testing correct operation

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Bidirectional Digital Transmission (AREA)
  • Maintenance And Management Of Digital Transmission (AREA)

Abstract

PURPOSE:To secure detection of the workable state of terminal unit with simple sturcture for tow-wire semi-double communication by installing relay to that terminal unit side.
JP3999576A 1976-04-09 1976-04-09 Workable state detection method for terminal unit Pending JPS52123102A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3999576A JPS52123102A (en) 1976-04-09 1976-04-09 Workable state detection method for terminal unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3999576A JPS52123102A (en) 1976-04-09 1976-04-09 Workable state detection method for terminal unit

Publications (1)

Publication Number Publication Date
JPS52123102A true JPS52123102A (en) 1977-10-17

Family

ID=12568500

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3999576A Pending JPS52123102A (en) 1976-04-09 1976-04-09 Workable state detection method for terminal unit

Country Status (1)

Country Link
JP (1) JPS52123102A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54127202A (en) * 1978-03-25 1979-10-03 Sharp Corp Half duplex transmission system
JPS54160246U (en) * 1978-04-28 1979-11-08
JPS54162906A (en) * 1978-06-14 1979-12-25 Toyoda Machine Works Ltd Data transmitter*receiver having checking function

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5062717A (en) * 1973-10-05 1975-05-28

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5062717A (en) * 1973-10-05 1975-05-28

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54127202A (en) * 1978-03-25 1979-10-03 Sharp Corp Half duplex transmission system
JPS5814105B2 (en) * 1978-03-25 1983-03-17 シャープ株式会社 Half-duplex transmission method
JPS54160246U (en) * 1978-04-28 1979-11-08
JPS6017360Y2 (en) * 1978-04-28 1985-05-28 株式会社パイロット Cursive appearance device in writing instruments
JPS54162906A (en) * 1978-06-14 1979-12-25 Toyoda Machine Works Ltd Data transmitter*receiver having checking function

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