JPS4817087B1 - - Google Patents

Info

Publication number
JPS4817087B1
JPS4817087B1 JP45006146A JP614670A JPS4817087B1 JP S4817087 B1 JPS4817087 B1 JP S4817087B1 JP 45006146 A JP45006146 A JP 45006146A JP 614670 A JP614670 A JP 614670A JP S4817087 B1 JPS4817087 B1 JP S4817087B1
Authority
JP
Japan
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.)
Pending
Application number
JP45006146A
Other languages
Japanese (ja)
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 filed Critical
Priority to JP45006146A priority Critical patent/JPS4817087B1/ja
Priority to NL7100888A priority patent/NL7100888A/xx
Priority to DE2166210A priority patent/DE2166210C3/de
Priority to DE19712103178 priority patent/DE2103178C3/de
Priority to GB2048271A priority patent/GB1335432A/en
Publication of JPS4817087B1 publication Critical patent/JPS4817087B1/ja
Priority to US05/751,947 priority patent/US4170411A/en
Pending 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
    • G03B7/083—Analogue circuits for control of exposure time
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B6/00—Internal feedback arrangements for obtaining particular characteristics, e.g. proportional, integral or differential
    • G05B6/02—Internal feedback arrangements for obtaining particular characteristics, e.g. proportional, integral or differential electric

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Exposure Control For Cameras (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
JP45006146A 1970-01-23 1970-01-23 Pending JPS4817087B1 (enrdf_load_stackoverflow)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP45006146A JPS4817087B1 (enrdf_load_stackoverflow) 1970-01-23 1970-01-23
NL7100888A NL7100888A (enrdf_load_stackoverflow) 1970-01-23 1971-01-22
DE2166210A DE2166210C3 (de) 1970-01-23 1971-01-23 Logarithmische Kompressionsschaltung zur Komprimierung von Belichtungsinformationen für eine Kamera
DE19712103178 DE2103178C3 (de) 1970-01-23 1971-01-23 Automatische Belichtungssteuerschaltung für eine Kamera
GB2048271A GB1335432A (en) 1970-01-23 1971-04-19 Electronic exposure determining circuit and an electric shutter control system incorporating the exposure determining circuit
US05/751,947 US4170411A (en) 1970-01-23 1976-12-17 Control circuit for a memory type electric shutter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP45006146A JPS4817087B1 (enrdf_load_stackoverflow) 1970-01-23 1970-01-23

Publications (1)

Publication Number Publication Date
JPS4817087B1 true JPS4817087B1 (enrdf_load_stackoverflow) 1973-05-26

Family

ID=11630365

Family Applications (1)

Application Number Title Priority Date Filing Date
JP45006146A Pending JPS4817087B1 (enrdf_load_stackoverflow) 1970-01-23 1970-01-23

Country Status (2)

Country Link
JP (1) JPS4817087B1 (enrdf_load_stackoverflow)
GB (1) GB1335432A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111616726B (zh) * 2020-05-22 2025-02-18 地太科特影像科技(上海)有限公司 平板探测器全视野自动曝光检测方法以及图像采集装置

Also Published As

Publication number Publication date
GB1335432A (en) 1973-10-31

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