JPS5577270A - Communication unit - Google Patents

Communication unit

Info

Publication number
JPS5577270A
JPS5577270A JP15052078A JP15052078A JPS5577270A JP S5577270 A JPS5577270 A JP S5577270A JP 15052078 A JP15052078 A JP 15052078A JP 15052078 A JP15052078 A JP 15052078A JP S5577270 A JPS5577270 A JP S5577270A
Authority
JP
Japan
Prior art keywords
receiver
fixed time
dials
once
change
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
JP15052078A
Other languages
Japanese (ja)
Inventor
Hitoshi Kodaira
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to JP15052078A priority Critical patent/JPS5577270A/en
Publication of JPS5577270A publication Critical patent/JPS5577270A/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)

Abstract

PURPOSE:To realize both communication of characters and normal communication via a general telephone circuit by enabling a change-over unit and controller at a reception side to operate by signals from a transmission side. CONSTITUTION:Change-over unit 2 at a reception side is set to a teletype side. First of all, a transmitter dials the telephone number of a receiver once. In this case, the calling bell of the receiver's is never put to work within a fixed time after the 1st dialing and if the calling continues even after the fixed time, it operates. The transmitter listens to a ringing tone once to hang up once and then dials it again. On the reception side, controller 3 makes sure of re-access to set change-over unit 2 to a printer 4 side. The set state of the printer is held for the fixed time. To send a sound, the transmitter dials the receiver's telephone number and only waites the receiver to answer while holding the line.
JP15052078A 1978-12-07 1978-12-07 Communication unit Pending JPS5577270A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15052078A JPS5577270A (en) 1978-12-07 1978-12-07 Communication unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15052078A JPS5577270A (en) 1978-12-07 1978-12-07 Communication unit

Publications (1)

Publication Number Publication Date
JPS5577270A true JPS5577270A (en) 1980-06-10

Family

ID=15498649

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15052078A Pending JPS5577270A (en) 1978-12-07 1978-12-07 Communication unit

Country Status (1)

Country Link
JP (1) JPS5577270A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5894270A (en) * 1981-11-30 1983-06-04 Toshiba Corp Facsimile device

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5010103B1 (en) * 1970-12-26 1975-04-18
JPS5313804A (en) * 1976-07-24 1978-02-07 Meisei Electric Co Ltd Telemeter system using extension circuit

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5010103B1 (en) * 1970-12-26 1975-04-18
JPS5313804A (en) * 1976-07-24 1978-02-07 Meisei Electric Co Ltd Telemeter system using extension circuit

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5894270A (en) * 1981-11-30 1983-06-04 Toshiba Corp Facsimile device
JPH0365067B2 (en) * 1981-11-30 1991-10-09

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