JPS57180245A - Synchronizing multiplexer - Google Patents

Synchronizing multiplexer

Info

Publication number
JPS57180245A
JPS57180245A JP6425081A JP6425081A JPS57180245A JP S57180245 A JPS57180245 A JP S57180245A JP 6425081 A JP6425081 A JP 6425081A JP 6425081 A JP6425081 A JP 6425081A JP S57180245 A JPS57180245 A JP S57180245A
Authority
JP
Japan
Prior art keywords
signals
circuit
parallel
bit
multiplexing
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
JP6425081A
Other languages
Japanese (ja)
Inventor
Kiyoaki Kawai
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.)
NEC Corp
Original Assignee
NEC Corp
Nippon 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 NEC Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP6425081A priority Critical patent/JPS57180245A/en
Publication of JPS57180245A publication Critical patent/JPS57180245A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/02—Details
    • H04J3/04—Distributors combined with modulators or demodulators
    • H04J3/047—Distributors with transistors or integrated circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Dc Digital Transmission (AREA)

Abstract

PURPOSE:To realize easy multiplexing with a simple circuit, by converting N- channel low-order group signals into M-bit DC balancing codes for multiplexing, in a device multiplexingly transmitting N channel digital signals in frequency synchronism. CONSTITUTION:At a transmission section, 6-channel low-order group signals in frequency synchronism are inputted to a code conversion circuit 2 in parallel and converted into a parallel codes in 8-bit DC balance and transmitted as 8 times speed of high-order group signals at a parallel serial conversion circuit 4. At a reception section, a word synchronizing circuit 7 takes word synchronism and the signals are converted into 8-bit parallel codes 10 at a serial conversion circuit 9 and inverted at a code inverting circuit 11 to decode said signals into 6-channel signals. Thus, slightly wider transmission band is required, but multiplexing can easily be made with a very simple circuit.
JP6425081A 1981-04-30 1981-04-30 Synchronizing multiplexer Pending JPS57180245A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6425081A JPS57180245A (en) 1981-04-30 1981-04-30 Synchronizing multiplexer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6425081A JPS57180245A (en) 1981-04-30 1981-04-30 Synchronizing multiplexer

Publications (1)

Publication Number Publication Date
JPS57180245A true JPS57180245A (en) 1982-11-06

Family

ID=13252721

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6425081A Pending JPS57180245A (en) 1981-04-30 1981-04-30 Synchronizing multiplexer

Country Status (1)

Country Link
JP (1) JPS57180245A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6199419A (en) * 1984-10-20 1986-05-17 Canon Inc Predictive encoding system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6199419A (en) * 1984-10-20 1986-05-17 Canon Inc Predictive encoding system

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