JPS5546685A - Auto-white adjustment system of camera of color television - Google Patents

Auto-white adjustment system of camera of color television

Info

Publication number
JPS5546685A
JPS5546685A JP12097378A JP12097378A JPS5546685A JP S5546685 A JPS5546685 A JP S5546685A JP 12097378 A JP12097378 A JP 12097378A JP 12097378 A JP12097378 A JP 12097378A JP S5546685 A JPS5546685 A JP S5546685A
Authority
JP
Japan
Prior art keywords
circuit
auto
white
iris
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
JP12097378A
Other languages
Japanese (ja)
Other versions
JPS6049397B2 (en
Inventor
Sadami Nakajima
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.)
Ikegami Tsushinki Co Ltd
Original Assignee
Ikegami Tsushinki 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 Ikegami Tsushinki Co Ltd filed Critical Ikegami Tsushinki Co Ltd
Priority to JP53120973A priority Critical patent/JPS6049397B2/en
Publication of JPS5546685A publication Critical patent/JPS5546685A/en
Publication of JPS6049397B2 publication Critical patent/JPS6049397B2/en
Expired legal-status Critical Current

Links

Abstract

PURPOSE: To make automatic adjustment of white balance accurately by interlocking an auto-white initial control circuit and iris control mechanism together and by switching the iris control mechanism to an automatic key mode when the auto-white control circuit operates.
CONSTITUTION: This system is equipped with switching circuit 16 driven by auto- white driver circuit 6 which adjusts automatically white balance through the operation of auto-white driving switch 7 and auto-iris driver circuit 15 interlocking with the operation of switch 7 of this circuit 6. This circuit 16, composed of FET, is connected between automatic iris arithmetic circuit 12 and iris control output circuit 13 and in adjustment operation for white balance, circuit 16 is put invariably in an automatic operation mode by circuit 6 regardless of the operation position of an iris auto/manual alternation switch, so that automatic adjustments of white balance can be made accurately.
COPYRIGHT: (C)1980,JPO&Japio
JP53120973A 1978-09-29 1978-09-29 How to adjust the auto white balance of a color television camera Expired JPS6049397B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP53120973A JPS6049397B2 (en) 1978-09-29 1978-09-29 How to adjust the auto white balance of a color television camera

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP53120973A JPS6049397B2 (en) 1978-09-29 1978-09-29 How to adjust the auto white balance of a color television camera

Publications (2)

Publication Number Publication Date
JPS5546685A true JPS5546685A (en) 1980-04-01
JPS6049397B2 JPS6049397B2 (en) 1985-11-01

Family

ID=14799605

Family Applications (1)

Application Number Title Priority Date Filing Date
JP53120973A Expired JPS6049397B2 (en) 1978-09-29 1978-09-29 How to adjust the auto white balance of a color television camera

Country Status (1)

Country Link
JP (1) JPS6049397B2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5866915A (en) * 1981-10-19 1983-04-21 Nippon Kogaku Kk <Nikon> Method and device for recording and reproducing of picture
US4574303A (en) * 1982-06-24 1986-03-04 Nippon Kogaku K.K. White balance control system for color television camera with automatic switchover control

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5334359Y2 (en) * 1974-04-04 1978-08-23

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5334359Y2 (en) * 1974-04-04 1978-08-23

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5866915A (en) * 1981-10-19 1983-04-21 Nippon Kogaku Kk <Nikon> Method and device for recording and reproducing of picture
JPS6356528B2 (en) * 1981-10-19 1988-11-08 Nippon Kogaku Kk
US4574303A (en) * 1982-06-24 1986-03-04 Nippon Kogaku K.K. White balance control system for color television camera with automatic switchover control

Also Published As

Publication number Publication date
JPS6049397B2 (en) 1985-11-01

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