JPS57162894A - Clock pulse reproducing circuit - Google Patents

Clock pulse reproducing circuit

Info

Publication number
JPS57162894A
JPS57162894A JP56048062A JP4806281A JPS57162894A JP S57162894 A JPS57162894 A JP S57162894A JP 56048062 A JP56048062 A JP 56048062A JP 4806281 A JP4806281 A JP 4806281A JP S57162894 A JPS57162894 A JP S57162894A
Authority
JP
Japan
Prior art keywords
output
circuit
clock pulse
logical
goes
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
JP56048062A
Other languages
Japanese (ja)
Other versions
JPH0231553B2 (en
Inventor
Toshiyuki Tanabe
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 JP56048062A priority Critical patent/JPH0231553B2/ja
Publication of JPS57162894A publication Critical patent/JPS57162894A/en
Publication of JPH0231553B2 publication Critical patent/JPH0231553B2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/025—Systems for the transmission of digital non-picture data, e.g. of text during the active part of a television frame
    • H04N7/035—Circuits for the digital non-picture data signal, e.g. for slicing of the data signal, for regeneration of the data-clock signal, for error detection or correction of the data signal
    • H04N7/0352—Circuits for the digital non-picture data signal, e.g. for slicing of the data signal, for regeneration of the data-clock signal, for error detection or correction of the data signal for regeneration of the clock signal

Abstract

PURPOSE:To achieve stability against external disturbance and to prevent sampling mistake, by taking the synchronism of a data sampling pulse in the packet unit of character multiplex broadcast. CONSTITUTION:When a clock run-in signal is risen between the leading of an output of the 3rd output terminal 523 of a delay device 52 and that of the 4th output terminal 524, an output of an AND circuit 573 out of a D type flip-flop circuit group 56(561-N) goes to low level and the output of a circuit 564 goes to high level. Thus, the output of an AND circuit 573 is logical 1 and the output of a counter 583 counts by +1. Thus, at each clock run-in signal one period, logical 1 is obtained from an AND circuit located at the leading. The clock pulse train corresponding to a counter having the most count value is selected at a data sampling pulse.
JP56048062A 1981-03-31 1981-03-31 Expired - Lifetime JPH0231553B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56048062A JPH0231553B2 (en) 1981-03-31 1981-03-31

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56048062A JPH0231553B2 (en) 1981-03-31 1981-03-31

Publications (2)

Publication Number Publication Date
JPS57162894A true JPS57162894A (en) 1982-10-06
JPH0231553B2 JPH0231553B2 (en) 1990-07-13

Family

ID=12792856

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56048062A Expired - Lifetime JPH0231553B2 (en) 1981-03-31 1981-03-31

Country Status (1)

Country Link
JP (1) JPH0231553B2 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60248087A (en) * 1984-05-24 1985-12-07 Toshiba Corp Sampling clock reproducing circuit
JPS60248086A (en) * 1984-05-24 1985-12-07 Toshiba Corp Sampling clock reproducing circuit
JPS63202129A (en) * 1987-02-17 1988-08-22 Sony Corp Synchronizing oscillation circuit

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0613608U (en) * 1992-07-22 1994-02-22 株式会社日糧機工 Stand

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60248087A (en) * 1984-05-24 1985-12-07 Toshiba Corp Sampling clock reproducing circuit
JPS60248086A (en) * 1984-05-24 1985-12-07 Toshiba Corp Sampling clock reproducing circuit
JPH0453152B2 (en) * 1984-05-24 1992-08-25 Toshiba Kk
JPH0453153B2 (en) * 1984-05-24 1992-08-25 Toshiba Kk
JPS63202129A (en) * 1987-02-17 1988-08-22 Sony Corp Synchronizing oscillation circuit

Also Published As

Publication number Publication date
JPH0231553B2 (en) 1990-07-13

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