DE2544330A1 - Kamera - Google Patents

Kamera

Info

Publication number
DE2544330A1
DE2544330A1 DE19752544330 DE2544330A DE2544330A1 DE 2544330 A1 DE2544330 A1 DE 2544330A1 DE 19752544330 DE19752544330 DE 19752544330 DE 2544330 A DE2544330 A DE 2544330A DE 2544330 A1 DE2544330 A1 DE 2544330A1
Authority
DE
Germany
Prior art keywords
aperture
output signal
display
viewfinder
camera
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.)
Pending
Application number
DE19752544330
Other languages
German (de)
English (en)
Inventor
Masahiro Kawasaki
Tetsuji Shono
Naoyuki Uno
Fumio Urano
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.)
Pentax Corp
Original Assignee
Asahi Kogaku Kogyo 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 Asahi Kogaku Kogyo Co Ltd filed Critical Asahi Kogaku Kogyo Co Ltd
Publication of DE2544330A1 publication Critical patent/DE2544330A1/de
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
    • 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
    • G03B17/00—Details of cameras or camera bodies; Accessories therefor
    • G03B17/18—Signals indicating condition of a camera member or suitability of light
    • G03B17/20—Signals indicating condition of a camera member or suitability of light visible in viewfinder
    • 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
    • G03B7/087—Analogue circuits for control of both exposure time and aperture

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Indication In Cameras, And Counting Of Exposures (AREA)
  • Stroboscope Apparatuses (AREA)
DE19752544330 1974-10-04 1975-10-03 Kamera Pending DE2544330A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1974120083U JPS5147238U (enrdf_load_stackoverflow) 1974-10-04 1974-10-04

Publications (1)

Publication Number Publication Date
DE2544330A1 true DE2544330A1 (de) 1976-04-08

Family

ID=14777471

Family Applications (2)

Application Number Title Priority Date Filing Date
DE19752544330 Pending DE2544330A1 (de) 1974-10-04 1975-10-03 Kamera
DE7531454U Expired DE7531454U (de) 1974-10-04 1975-10-03 Kamera

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE7531454U Expired DE7531454U (de) 1974-10-04 1975-10-03 Kamera

Country Status (3)

Country Link
JP (1) JPS5147238U (enrdf_load_stackoverflow)
DE (2) DE2544330A1 (enrdf_load_stackoverflow)
GB (1) GB1525249A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4217044A (en) * 1976-11-24 1980-08-12 Minolta Camera Kabushiki Kaisha Indicating devices for camera viewfinders

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54145525A (en) * 1978-05-08 1979-11-13 Fuji Photo Optical Co Ltd Display device in finder of camera
JPS54151445A (en) * 1978-05-19 1979-11-28 Canon Inc Camera
JPS5579085A (en) * 1978-12-11 1980-06-14 Kyoritsu Yuki Kogyo Kenkyusho:Kk Floating separator for waste water
JPS61271019A (ja) * 1985-05-25 1986-12-01 Matsushita Electric Works Ltd 気泡発生方法
JPH0494728A (ja) * 1990-08-10 1992-03-26 Noboru Sakano 無閉塞エアレーション汚泥縮少装置

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4121320Y1 (enrdf_load_stackoverflow) * 1966-05-04 1966-10-19

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4217044A (en) * 1976-11-24 1980-08-12 Minolta Camera Kabushiki Kaisha Indicating devices for camera viewfinders

Also Published As

Publication number Publication date
JPS5147238U (enrdf_load_stackoverflow) 1976-04-08
GB1525249A (en) 1978-09-20
DE7531454U (de) 1978-03-09

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