JPS5735836A - Photometric circuit - Google Patents

Photometric circuit

Info

Publication number
JPS5735836A
JPS5735836A JP11089280A JP11089280A JPS5735836A JP S5735836 A JPS5735836 A JP S5735836A JP 11089280 A JP11089280 A JP 11089280A JP 11089280 A JP11089280 A JP 11089280A JP S5735836 A JPS5735836 A JP S5735836A
Authority
JP
Japan
Prior art keywords
output
capacitor
photometric
low
discharge
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
JP11089280A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6341410B2 (enrdf_load_stackoverflow
Inventor
Yoshio Serikawa
Masamichi Furukawa
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.)
Ricoh Co Ltd
Original Assignee
Ricoh 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 Ricoh Co Ltd filed Critical Ricoh Co Ltd
Priority to JP11089280A priority Critical patent/JPS5735836A/ja
Publication of JPS5735836A publication Critical patent/JPS5735836A/ja
Publication of JPS6341410B2 publication Critical patent/JPS6341410B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B7/00—Control of exposure by setting shutters, diaphragms or filters, separately or conjointly
    • G03B7/08—Control effected solely on the basis of the response, to the intensity of the light received by the camera, of a built-in light-sensitive device
    • G03B7/081—Analogue circuits

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Exposure Control For Cameras (AREA)
JP11089280A 1980-08-12 1980-08-12 Photometric circuit Granted JPS5735836A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11089280A JPS5735836A (en) 1980-08-12 1980-08-12 Photometric circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11089280A JPS5735836A (en) 1980-08-12 1980-08-12 Photometric circuit

Publications (2)

Publication Number Publication Date
JPS5735836A true JPS5735836A (en) 1982-02-26
JPS6341410B2 JPS6341410B2 (enrdf_load_stackoverflow) 1988-08-17

Family

ID=14547325

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11089280A Granted JPS5735836A (en) 1980-08-12 1980-08-12 Photometric circuit

Country Status (1)

Country Link
JP (1) JPS5735836A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01238633A (ja) * 1988-03-19 1989-09-22 Sharp Corp 積分回路

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0215908A (ja) * 1988-07-04 1990-01-19 Toshiaki Hosoi ドリル、ドリルの研摩方法および研摩装置

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4853687A (enrdf_load_stackoverflow) * 1971-11-08 1973-07-27

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4853687A (enrdf_load_stackoverflow) * 1971-11-08 1973-07-27

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01238633A (ja) * 1988-03-19 1989-09-22 Sharp Corp 積分回路

Also Published As

Publication number Publication date
JPS6341410B2 (enrdf_load_stackoverflow) 1988-08-17

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