JPH073731Y2 - ビデオカメラのコントラスト自動調整装置 - Google Patents

ビデオカメラのコントラスト自動調整装置

Info

Publication number
JPH073731Y2
JPH073731Y2 JP1987088345U JP8834587U JPH073731Y2 JP H073731 Y2 JPH073731 Y2 JP H073731Y2 JP 1987088345 U JP1987088345 U JP 1987088345U JP 8834587 U JP8834587 U JP 8834587U JP H073731 Y2 JPH073731 Y2 JP H073731Y2
Authority
JP
Japan
Prior art keywords
circuit
output
level
comparison circuit
reference voltage
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.)
Expired - Lifetime
Application number
JP1987088345U
Other languages
English (en)
Japanese (ja)
Other versions
JPS6413858U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html
Inventor
敏夫 中村
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.)
Sharp Corp
Original Assignee
Sharp 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 Sharp Corp filed Critical Sharp Corp
Priority to JP1987088345U priority Critical patent/JPH073731Y2/ja
Publication of JPS6413858U publication Critical patent/JPS6413858U/ja
Application granted granted Critical
Publication of JPH073731Y2 publication Critical patent/JPH073731Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Picture Signal Circuits (AREA)
JP1987088345U 1987-06-08 1987-06-08 ビデオカメラのコントラスト自動調整装置 Expired - Lifetime JPH073731Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1987088345U JPH073731Y2 (ja) 1987-06-08 1987-06-08 ビデオカメラのコントラスト自動調整装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987088345U JPH073731Y2 (ja) 1987-06-08 1987-06-08 ビデオカメラのコントラスト自動調整装置

Publications (2)

Publication Number Publication Date
JPS6413858U JPS6413858U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1989-01-24
JPH073731Y2 true JPH073731Y2 (ja) 1995-01-30

Family

ID=31312914

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987088345U Expired - Lifetime JPH073731Y2 (ja) 1987-06-08 1987-06-08 ビデオカメラのコントラスト自動調整装置

Country Status (1)

Country Link
JP (1) JPH073731Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55140372A (en) * 1979-04-18 1980-11-01 Matsushita Electric Ind Co Ltd Luminance signal processing unit
JPS61158771U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1985-03-22 1986-10-01

Also Published As

Publication number Publication date
JPS6413858U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1989-01-24

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