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JPS5352419A - Maximum value, minimum value detection holding apparatus of luminance of each part of subject - Google Patents

Maximum value, minimum value detection holding apparatus of luminance of each part of subject

Info

Publication number
JPS5352419A
JPS5352419A JP12725676A JP12725676A JPS5352419A JP S5352419 A JPS5352419 A JP S5352419A JP 12725676 A JP12725676 A JP 12725676A JP 12725676 A JP12725676 A JP 12725676A JP S5352419 A JPS5352419 A JP S5352419A
Authority
JP
Japan
Prior art keywords
luminance
subject
holding apparatus
maximum value
detection holding
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
JP12725676A
Other languages
Japanese (ja)
Other versions
JPS5916652B2 (en
Inventor
Yoshijiro Suzuki
Junji Kajiwara
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.)
Konica Minolta Inc
Panasonic Holdings Corp
Original Assignee
Konica Minolta Inc
Matsushita Electric Industrial 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 Konica Minolta Inc, Matsushita Electric Industrial Co Ltd filed Critical Konica Minolta Inc
Priority to JP51127256A priority Critical patent/JPS5916652B2/en
Publication of JPS5352419A publication Critical patent/JPS5352419A/en
Publication of JPS5916652B2 publication Critical patent/JPS5916652B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Exposure Control For Cameras (AREA)

Abstract

PURPOSE: To realize the optimum exposure of the subject of mutually varying luminances at each part by obtaining the maximum and minimum values of the luminance of each part, calculating the difference, central value, mean value, etc. thereof and comparing these with specified voltage values.
COPYRIGHT: (C)1978,JPO&Japio
JP51127256A 1976-10-25 1976-10-25 Maximum and minimum brightness detection and holding device for each part of the subject Expired JPS5916652B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP51127256A JPS5916652B2 (en) 1976-10-25 1976-10-25 Maximum and minimum brightness detection and holding device for each part of the subject

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP51127256A JPS5916652B2 (en) 1976-10-25 1976-10-25 Maximum and minimum brightness detection and holding device for each part of the subject

Publications (2)

Publication Number Publication Date
JPS5352419A true JPS5352419A (en) 1978-05-12
JPS5916652B2 JPS5916652B2 (en) 1984-04-17

Family

ID=14955537

Family Applications (1)

Application Number Title Priority Date Filing Date
JP51127256A Expired JPS5916652B2 (en) 1976-10-25 1976-10-25 Maximum and minimum brightness detection and holding device for each part of the subject

Country Status (1)

Country Link
JP (1) JPS5916652B2 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63170628A (en) * 1987-12-18 1988-07-14 Nikon Corp Multi-photometric device
JPS6429631U (en) * 1988-08-11 1989-02-22
JPH0157721U (en) * 1988-09-08 1989-04-11

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63170628A (en) * 1987-12-18 1988-07-14 Nikon Corp Multi-photometric device
JPH045972B2 (en) * 1987-12-18 1992-02-04 Nippon Kogaku Kk
JPS6429631U (en) * 1988-08-11 1989-02-22
JPH0157721U (en) * 1988-09-08 1989-04-11
JPH058589Y2 (en) * 1988-09-08 1993-03-03

Also Published As

Publication number Publication date
JPS5916652B2 (en) 1984-04-17

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