JPS5520003A - Frame synchronous system - Google Patents

Frame synchronous system

Info

Publication number
JPS5520003A
JPS5520003A JP9142878A JP9142878A JPS5520003A JP S5520003 A JPS5520003 A JP S5520003A JP 9142878 A JP9142878 A JP 9142878A JP 9142878 A JP9142878 A JP 9142878A JP S5520003 A JPS5520003 A JP S5520003A
Authority
JP
Japan
Prior art keywords
state transition
latch
address
decided
rom503
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.)
Granted
Application number
JP9142878A
Other languages
Japanese (ja)
Other versions
JPS5758820B2 (en
Inventor
Seiji Okamoto
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.)
Oki Electric Industry Co Ltd
Original Assignee
Oki Electric Industry 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 Oki Electric Industry Co Ltd filed Critical Oki Electric Industry Co Ltd
Priority to JP9142878A priority Critical patent/JPS5520003A/en
Publication of JPS5520003A publication Critical patent/JPS5520003A/en
Publication of JPS5758820B2 publication Critical patent/JPS5758820B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/02—Details
    • H04J3/06—Synchronising arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)

Abstract

PURPOSE:To secure the flexibility to the specifications change and the like through a simple sircuit constitution by transmitting the frame step-out signals from the latch in case the state transition information of the decided address is out of synchronism. CONSTITUTION:The information based on the pull-in state transition is written previously into read-only-memory ROM503. And the address of ROM503 to be transferred next is decided based on the decision signal given from exclusive OR gate 502 which decides the synchronous signal of the arriving synchronous signals and the state transition information read out previously from ROM503 and held in latch 504. And then the state transition informaton of the decided address of ROM5 is held in latch 504. In case the state transition information of the decided address is out of synchronism, the frame step-out signals are transmitted from latch 504. In such way, the flexibility is secured to the specifications change and the like with a simple circuit constitution.
JP9142878A 1978-07-28 1978-07-28 Frame synchronous system Granted JPS5520003A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9142878A JPS5520003A (en) 1978-07-28 1978-07-28 Frame synchronous system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9142878A JPS5520003A (en) 1978-07-28 1978-07-28 Frame synchronous system

Publications (2)

Publication Number Publication Date
JPS5520003A true JPS5520003A (en) 1980-02-13
JPS5758820B2 JPS5758820B2 (en) 1982-12-11

Family

ID=14026094

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9142878A Granted JPS5520003A (en) 1978-07-28 1978-07-28 Frame synchronous system

Country Status (1)

Country Link
JP (1) JPS5520003A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57133211A (en) * 1981-02-09 1982-08-17 Toyobo Co Ltd Production of hollow fiber of cellulose ester

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57133211A (en) * 1981-02-09 1982-08-17 Toyobo Co Ltd Production of hollow fiber of cellulose ester

Also Published As

Publication number Publication date
JPS5758820B2 (en) 1982-12-11

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