JPS5577016A - Synchronizing signal reproducing circuit of acoustic device - Google Patents

Synchronizing signal reproducing circuit of acoustic device

Info

Publication number
JPS5577016A
JPS5577016A JP15150778A JP15150778A JPS5577016A JP S5577016 A JPS5577016 A JP S5577016A JP 15150778 A JP15150778 A JP 15150778A JP 15150778 A JP15150778 A JP 15150778A JP S5577016 A JPS5577016 A JP S5577016A
Authority
JP
Japan
Prior art keywords
pulse
synchronizing signal
synchronizing
generated
acoustic device
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
JP15150778A
Other languages
Japanese (ja)
Other versions
JPS6136307B2 (en
Inventor
Masatoshi Shinpo
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP15150778A priority Critical patent/JPS5577016A/en
Publication of JPS5577016A publication Critical patent/JPS5577016A/en
Publication of JPS6136307B2 publication Critical patent/JPS6136307B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Signal Processing For Digital Recording And Reproducing (AREA)

Abstract

PURPOSE: To prevent drop-out of synchronizing signals by generating a carry pulse when no synchronizing pulse is obtained at a prescribed synchronizing pulse interval.
CONSTITUTION: Counters A1WA3 are preset to an α counter longer than the synchronizing pattern generation period; and when synchronizing signal pulse I is generated from synchronizing signal extraction circuit D, this pulse is outputted as it is and causes counters A1WA3 to count α-number pulses. If drop-out is generated in respect to synchronizing signal pulse I, carry pulse G3 is generated slightly later than dropped-out pulse I and is outputted as synchronizing signal J.
COPYRIGHT: (C)1980,JPO&Japio
JP15150778A 1978-12-06 1978-12-06 Synchronizing signal reproducing circuit of acoustic device Granted JPS5577016A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15150778A JPS5577016A (en) 1978-12-06 1978-12-06 Synchronizing signal reproducing circuit of acoustic device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15150778A JPS5577016A (en) 1978-12-06 1978-12-06 Synchronizing signal reproducing circuit of acoustic device

Publications (2)

Publication Number Publication Date
JPS5577016A true JPS5577016A (en) 1980-06-10
JPS6136307B2 JPS6136307B2 (en) 1986-08-18

Family

ID=15520012

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15150778A Granted JPS5577016A (en) 1978-12-06 1978-12-06 Synchronizing signal reproducing circuit of acoustic device

Country Status (1)

Country Link
JP (1) JPS5577016A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58169313A (en) * 1982-03-31 1983-10-05 Nec Home Electronics Ltd Synchronization protecting circuit

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5545151A (en) * 1978-09-27 1980-03-29 Hitachi Ltd Detection circuit for vertical synchronizing signal

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5545151A (en) * 1978-09-27 1980-03-29 Hitachi Ltd Detection circuit for vertical synchronizing signal

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58169313A (en) * 1982-03-31 1983-10-05 Nec Home Electronics Ltd Synchronization protecting circuit

Also Published As

Publication number Publication date
JPS6136307B2 (en) 1986-08-18

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