JPS52100915A - Dc restoration circuit - Google Patents

Dc restoration circuit

Info

Publication number
JPS52100915A
JPS52100915A JP1706476A JP1706476A JPS52100915A JP S52100915 A JPS52100915 A JP S52100915A JP 1706476 A JP1706476 A JP 1706476A JP 1706476 A JP1706476 A JP 1706476A JP S52100915 A JPS52100915 A JP S52100915A
Authority
JP
Japan
Prior art keywords
restoration circuit
black level
reproducing
luminance signal
picture quality
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
JP1706476A
Other languages
Japanese (ja)
Other versions
JPS5946153B2 (en
Inventor
Osanori Watanabe
Yukimi Saeki
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 JP51017064A priority Critical patent/JPS5946153B2/en
Publication of JPS52100915A publication Critical patent/JPS52100915A/en
Publication of JPS5946153B2 publication Critical patent/JPS5946153B2/en
Expired legal-status Critical Current

Links

Abstract

PURPOSE: To improve picture quality by reproducing stabilized black level against black level variation of luminance signal element sent.
COPYRIGHT: (C)1977,JPO&Japio
JP51017064A 1976-02-20 1976-02-20 DC component regeneration circuit Expired JPS5946153B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP51017064A JPS5946153B2 (en) 1976-02-20 1976-02-20 DC component regeneration circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP51017064A JPS5946153B2 (en) 1976-02-20 1976-02-20 DC component regeneration circuit

Publications (2)

Publication Number Publication Date
JPS52100915A true JPS52100915A (en) 1977-08-24
JPS5946153B2 JPS5946153B2 (en) 1984-11-10

Family

ID=11933541

Family Applications (1)

Application Number Title Priority Date Filing Date
JP51017064A Expired JPS5946153B2 (en) 1976-02-20 1976-02-20 DC component regeneration circuit

Country Status (1)

Country Link
JP (1) JPS5946153B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5628570A (en) * 1979-08-17 1981-03-20 Sony Corp Video signal processing circuit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5628570A (en) * 1979-08-17 1981-03-20 Sony Corp Video signal processing circuit

Also Published As

Publication number Publication date
JPS5946153B2 (en) 1984-11-10

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