JPS54160113A - Signal transmission system - Google Patents

Signal transmission system

Info

Publication number
JPS54160113A
JPS54160113A JP6954178A JP6954178A JPS54160113A JP S54160113 A JPS54160113 A JP S54160113A JP 6954178 A JP6954178 A JP 6954178A JP 6954178 A JP6954178 A JP 6954178A JP S54160113 A JPS54160113 A JP S54160113A
Authority
JP
Japan
Prior art keywords
error
signal
bits
format
transmission system
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
JP6954178A
Other languages
Japanese (ja)
Inventor
Osamu Kinoshita
Seishi Kageyama
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura 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 Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP6954178A priority Critical patent/JPS54160113A/en
Publication of JPS54160113A publication Critical patent/JPS54160113A/en
Pending legal-status Critical Current

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  • Compression, Expansion, Code Conversion, And Decoders (AREA)

Abstract

PURPOSE: To suppress the overflow by giving the improvement to the format of the retransmission signal which is sent back via the backward channel for the signal transmission system with which the still picture can be transmitted effectively.
CONSTITUTION: Start signal ST used for the start-stop type synchronization is provided to the blocked data, along with the error block number composed of 11 bits and showing the number having some error, control bit C1 and C2 showing the presence or absence of the error for two blocks, and stop signal ST each. And these signals, number and bits are sent to the backward channel via shift register 28, decoder 27, FF29 and 30 plus gate circuit 31 and 32. Then the error numbers set in register 28 and the error information of the block numbers set to FF29 and 30 are delivered in sequence in the format, and the resetting is given via decoder 27, FF24 and counter 26 to stop production of the retransmission request signals.
COPYRIGHT: (C)1979,JPO&Japio
JP6954178A 1978-06-09 1978-06-09 Signal transmission system Pending JPS54160113A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6954178A JPS54160113A (en) 1978-06-09 1978-06-09 Signal transmission system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6954178A JPS54160113A (en) 1978-06-09 1978-06-09 Signal transmission system

Publications (1)

Publication Number Publication Date
JPS54160113A true JPS54160113A (en) 1979-12-18

Family

ID=13405674

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6954178A Pending JPS54160113A (en) 1978-06-09 1978-06-09 Signal transmission system

Country Status (1)

Country Link
JP (1) JPS54160113A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5763978A (en) * 1980-10-06 1982-04-17 Nec Corp Transmitter of picture signal
US5486864A (en) * 1993-05-13 1996-01-23 Rca Thomson Licensing Corporation Differential time code method and apparatus as for a compressed video signal

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5763978A (en) * 1980-10-06 1982-04-17 Nec Corp Transmitter of picture signal
US5486864A (en) * 1993-05-13 1996-01-23 Rca Thomson Licensing Corporation Differential time code method and apparatus as for a compressed video signal

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