JPS555507A - Recording and reproducing unit of secam system chrominance signal - Google Patents

Recording and reproducing unit of secam system chrominance signal

Info

Publication number
JPS555507A
JPS555507A JP7741478A JP7741478A JPS555507A JP S555507 A JPS555507 A JP S555507A JP 7741478 A JP7741478 A JP 7741478A JP 7741478 A JP7741478 A JP 7741478A JP S555507 A JPS555507 A JP S555507A
Authority
JP
Japan
Prior art keywords
signal
synchronizing
chrominance signal
bpf
recording
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
JP7741478A
Other languages
Japanese (ja)
Other versions
JPS5944836B2 (en
Inventor
Yoshizumi Wataya
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP53077414A priority Critical patent/JPS5944836B2/en
Publication of JPS555507A publication Critical patent/JPS555507A/en
Publication of JPS5944836B2 publication Critical patent/JPS5944836B2/en
Expired legal-status Critical Current

Links

Abstract

PURPOSE: To prevent the malfunction of the synchronizing separation circuit system, by the gate control with the synchronizing signal separating the chrominance signal which is frequency divided after the frequency modulation at the limiter, from the video signal.
CONSTITUTION: The video signal inputted from the terminal 1 is picked up only for the chrominance signal component at the BPF 2, and after it is frequency modulated at the limiter 3, it is frequency divided 4 and fed to the gate circuit 8 via the BPF 5. On the other hand, the video signal from the terminal 1 is separated for the synchronizing signal at the synchronous separation circuit 1, and gate control is made for the output signal from the BPF 5. Thus, with a simple constitution, the unnecessary signal between the horizontal and vertical synchronizing signals is prevented from being intruded to avoid the malfunction of the synchronizing separation circuit system.
COPYRIGHT: (C)1980,JPO&Japio
JP53077414A 1978-06-28 1978-06-28 SECAM method chromaticity signal recording and reproducing device Expired JPS5944836B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP53077414A JPS5944836B2 (en) 1978-06-28 1978-06-28 SECAM method chromaticity signal recording and reproducing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP53077414A JPS5944836B2 (en) 1978-06-28 1978-06-28 SECAM method chromaticity signal recording and reproducing device

Publications (2)

Publication Number Publication Date
JPS555507A true JPS555507A (en) 1980-01-16
JPS5944836B2 JPS5944836B2 (en) 1984-11-01

Family

ID=13633269

Family Applications (1)

Application Number Title Priority Date Filing Date
JP53077414A Expired JPS5944836B2 (en) 1978-06-28 1978-06-28 SECAM method chromaticity signal recording and reproducing device

Country Status (1)

Country Link
JP (1) JPS5944836B2 (en)

Also Published As

Publication number Publication date
JPS5944836B2 (en) 1984-11-01

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