JPS53117925A - Frequency control circuit - Google Patents

Frequency control circuit

Info

Publication number
JPS53117925A
JPS53117925A JP3247477A JP3247477A JPS53117925A JP S53117925 A JPS53117925 A JP S53117925A JP 3247477 A JP3247477 A JP 3247477A JP 3247477 A JP3247477 A JP 3247477A JP S53117925 A JPS53117925 A JP S53117925A
Authority
JP
Japan
Prior art keywords
control circuit
frequency control
synchronous signal
dropout
disturbed
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
JP3247477A
Other languages
Japanese (ja)
Other versions
JPS5937891B2 (en
Inventor
Noriyuki Yamashita
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.)
Sony Corp
Original Assignee
Sony Corp
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 Sony Corp filed Critical Sony Corp
Priority to JP52032474A priority Critical patent/JPS5937891B2/en
Publication of JPS53117925A publication Critical patent/JPS53117925A/en
Publication of JPS5937891B2 publication Critical patent/JPS5937891B2/en
Expired legal-status Critical Current

Links

Abstract

PURPOSE: To prevent the output pulse frequency from being disturbed by the dropout, etc., by having extraction of the trapezoid wave signal by means of the synchronous signal in case the fact that the synchronous signal is within the duration of the window pulse is detected.
COPYRIGHT: (C)1978,JPO&Japio
JP52032474A 1977-03-24 1977-03-24 frequency control circuit Expired JPS5937891B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP52032474A JPS5937891B2 (en) 1977-03-24 1977-03-24 frequency control circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP52032474A JPS5937891B2 (en) 1977-03-24 1977-03-24 frequency control circuit

Publications (2)

Publication Number Publication Date
JPS53117925A true JPS53117925A (en) 1978-10-14
JPS5937891B2 JPS5937891B2 (en) 1984-09-12

Family

ID=12359966

Family Applications (1)

Application Number Title Priority Date Filing Date
JP52032474A Expired JPS5937891B2 (en) 1977-03-24 1977-03-24 frequency control circuit

Country Status (1)

Country Link
JP (1) JPS5937891B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58212272A (en) * 1982-06-02 1983-12-09 Matsushita Electric Ind Co Ltd Compensating device of time axis fluctuating component

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11554420B2 (en) 2017-07-13 2023-01-17 Citizen Watch Co., Ltd. Threading device and threading method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58212272A (en) * 1982-06-02 1983-12-09 Matsushita Electric Ind Co Ltd Compensating device of time axis fluctuating component

Also Published As

Publication number Publication date
JPS5937891B2 (en) 1984-09-12

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