JPS5289005A - Time dividing 2-lines type all double communication - Google Patents

Time dividing 2-lines type all double communication

Info

Publication number
JPS5289005A
JPS5289005A JP464776A JP464776A JPS5289005A JP S5289005 A JPS5289005 A JP S5289005A JP 464776 A JP464776 A JP 464776A JP 464776 A JP464776 A JP 464776A JP S5289005 A JPS5289005 A JP S5289005A
Authority
JP
Japan
Prior art keywords
time dividing
double communication
lines type
lines
double
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
JP464776A
Other languages
Japanese (ja)
Inventor
Kozo Kamata
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP464776A priority Critical patent/JPS5289005A/en
Publication of JPS5289005A publication Critical patent/JPS5289005A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B14/00—Transmission systems not characterised by the medium used for transmission
    • H04B14/02—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation
    • H04B14/023—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation using pulse amplitude modulation

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Bidirectional Digital Transmission (AREA)
  • Dc Digital Transmission (AREA)

Abstract

PURPOSE:To prolong the greatest transmission distance with enlarging the transmission pulse spacing on transmission channel, by using PAM multi-value code.
JP464776A 1976-01-20 1976-01-20 Time dividing 2-lines type all double communication Pending JPS5289005A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP464776A JPS5289005A (en) 1976-01-20 1976-01-20 Time dividing 2-lines type all double communication

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP464776A JPS5289005A (en) 1976-01-20 1976-01-20 Time dividing 2-lines type all double communication

Publications (1)

Publication Number Publication Date
JPS5289005A true JPS5289005A (en) 1977-07-26

Family

ID=11589745

Family Applications (1)

Application Number Title Priority Date Filing Date
JP464776A Pending JPS5289005A (en) 1976-01-20 1976-01-20 Time dividing 2-lines type all double communication

Country Status (1)

Country Link
JP (1) JPS5289005A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54140406A (en) * 1978-04-18 1979-10-31 Honeywell Inf Systems Data transmitter*receiver
JPS5819051A (en) * 1981-07-27 1983-02-03 Fujitsu Ten Ltd Tone signal transmission circuit for control

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54140406A (en) * 1978-04-18 1979-10-31 Honeywell Inf Systems Data transmitter*receiver
JPS5819051A (en) * 1981-07-27 1983-02-03 Fujitsu Ten Ltd Tone signal transmission circuit for control
JPS6234307B2 (en) * 1981-07-27 1987-07-25 Fujitsu Ten Ltd

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