JPS5252303A - Data transmissio system - Google Patents

Data transmissio system

Info

Publication number
JPS5252303A
JPS5252303A JP50117841A JP11784175A JPS5252303A JP S5252303 A JPS5252303 A JP S5252303A JP 50117841 A JP50117841 A JP 50117841A JP 11784175 A JP11784175 A JP 11784175A JP S5252303 A JPS5252303 A JP S5252303A
Authority
JP
Japan
Prior art keywords
transmissio
data
data transmission
data transmissio
order
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
JP50117841A
Other languages
Japanese (ja)
Inventor
Kazuhiro Kawabata
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.)
Meisei Electric Co Ltd
Original Assignee
Meisei 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 Meisei Electric Co Ltd filed Critical Meisei Electric Co Ltd
Priority to JP50117841A priority Critical patent/JPS5252303A/en
Publication of JPS5252303A publication Critical patent/JPS5252303A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
    • H04M11/06—Simultaneous speech and data transmission, e.g. telegraphic transmission over the same conductors

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Communication Control (AREA)

Abstract

PURPOSE:The data transmission timing is obtained through polarity inversion of public telephone circuit in order to ensure data transmission with a simple equipment.
JP50117841A 1975-09-30 1975-09-30 Data transmissio system Pending JPS5252303A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50117841A JPS5252303A (en) 1975-09-30 1975-09-30 Data transmissio system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50117841A JPS5252303A (en) 1975-09-30 1975-09-30 Data transmissio system

Publications (1)

Publication Number Publication Date
JPS5252303A true JPS5252303A (en) 1977-04-27

Family

ID=14721578

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50117841A Pending JPS5252303A (en) 1975-09-30 1975-09-30 Data transmissio system

Country Status (1)

Country Link
JP (1) JPS5252303A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5646354A (en) * 1979-09-21 1981-04-27 Hitachi Ltd Automatic switching on/off circuit for power supply
JPS56169962A (en) * 1980-06-02 1981-12-26 Taiko Denki Seisakusho:Kk Detecting circuit system for called party response
JPS5888959A (en) * 1981-11-20 1983-05-27 Nec Corp Power supply circuit of subscriber terminal
JPS60213163A (en) * 1984-04-06 1985-10-25 Nec Corp Sixteen-hz treating circuit of network control device
JPS60226266A (en) * 1984-04-25 1985-11-11 Nippon Telegr & Teleph Corp <Ntt> Automatic origination system of terminal equipment
JPS61224551A (en) * 1985-03-28 1986-10-06 Nitsuko Corp Message end judging system in emergency informer

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5646354A (en) * 1979-09-21 1981-04-27 Hitachi Ltd Automatic switching on/off circuit for power supply
JPS56169962A (en) * 1980-06-02 1981-12-26 Taiko Denki Seisakusho:Kk Detecting circuit system for called party response
JPS5888959A (en) * 1981-11-20 1983-05-27 Nec Corp Power supply circuit of subscriber terminal
JPS60213163A (en) * 1984-04-06 1985-10-25 Nec Corp Sixteen-hz treating circuit of network control device
JPH0317269B2 (en) * 1984-04-06 1991-03-07 Nippon Electric Co
JPS60226266A (en) * 1984-04-25 1985-11-11 Nippon Telegr & Teleph Corp <Ntt> Automatic origination system of terminal equipment
JPS61224551A (en) * 1985-03-28 1986-10-06 Nitsuko Corp Message end judging system in emergency informer

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