JPS52104863A - Automatic contrast adjusting device for video signal - Google Patents

Automatic contrast adjusting device for video signal

Info

Publication number
JPS52104863A
JPS52104863A JP2171476A JP2171476A JPS52104863A JP S52104863 A JPS52104863 A JP S52104863A JP 2171476 A JP2171476 A JP 2171476A JP 2171476 A JP2171476 A JP 2171476A JP S52104863 A JPS52104863 A JP S52104863A
Authority
JP
Japan
Prior art keywords
video signal
adjusting device
automatic contrast
contrast adjusting
automatic
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
JP2171476A
Other languages
Japanese (ja)
Other versions
JPS5942417B2 (en
Inventor
Takao Namae
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.)
Jeol Ltd
Original Assignee
Jeol Ltd
Nihon Denshi KK
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 Jeol Ltd, Nihon Denshi KK filed Critical Jeol Ltd
Priority to JP51021714A priority Critical patent/JPS5942417B2/en
Publication of JPS52104863A publication Critical patent/JPS52104863A/en
Publication of JPS5942417B2 publication Critical patent/JPS5942417B2/en
Expired legal-status Critical Current

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  • Television Receiver Circuits (AREA)

Abstract

PURPOSE: To obtain a automatic contrast adjusting device for video signal capable of adjusting gain of amplifier to optimum amplitude value of AC component at constant period of video signal.
COPYRIGHT: (C)1977,JPO&Japio
JP51021714A 1976-02-28 1976-02-28 Automatic contrast adjustment device for video signals Expired JPS5942417B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP51021714A JPS5942417B2 (en) 1976-02-28 1976-02-28 Automatic contrast adjustment device for video signals

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP51021714A JPS5942417B2 (en) 1976-02-28 1976-02-28 Automatic contrast adjustment device for video signals

Publications (2)

Publication Number Publication Date
JPS52104863A true JPS52104863A (en) 1977-09-02
JPS5942417B2 JPS5942417B2 (en) 1984-10-15

Family

ID=12062723

Family Applications (1)

Application Number Title Priority Date Filing Date
JP51021714A Expired JPS5942417B2 (en) 1976-02-28 1976-02-28 Automatic contrast adjustment device for video signals

Country Status (1)

Country Link
JP (1) JPS5942417B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5585173A (en) * 1978-12-22 1980-06-26 Nippon Kogaku Kk <Nikon> Photo electric conversion unit using charge storage type photo electric element array

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60221611A (en) * 1984-04-16 1985-11-06 Dowa:Kk Oil burner of vaporization type

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5057527A (en) * 1973-09-19 1975-05-20

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5057527A (en) * 1973-09-19 1975-05-20

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5585173A (en) * 1978-12-22 1980-06-26 Nippon Kogaku Kk <Nikon> Photo electric conversion unit using charge storage type photo electric element array
JPS6313395B2 (en) * 1978-12-22 1988-03-25 Nippon Kogaku Kk

Also Published As

Publication number Publication date
JPS5942417B2 (en) 1984-10-15

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