DE2258218C3 - Anordnung zur Lichtmessung für fotografische Zwecke - Google Patents

Anordnung zur Lichtmessung für fotografische Zwecke

Info

Publication number
DE2258218C3
DE2258218C3 DE2258218A DE2258218A DE2258218C3 DE 2258218 C3 DE2258218 C3 DE 2258218C3 DE 2258218 A DE2258218 A DE 2258218A DE 2258218 A DE2258218 A DE 2258218A DE 2258218 C3 DE2258218 C3 DE 2258218C3
Authority
DE
Germany
Prior art keywords
output
light
measuring
photoelectronic
component
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.)
Expired
Application number
DE2258218A
Other languages
German (de)
English (en)
Other versions
DE2258218B2 (de
DE2258218A1 (de
Inventor
Saitama Kawagoe
Katsuhiko Kawasaki Kanagawa Miyata
Katsuhiko Nomura
Tadazumi "Io Sakazaki
Naoyuki Uno
Fumio Wako Saitama Urano
Koichiro Funabashi Chiba Watanabe
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 DE2258218A1 publication Critical patent/DE2258218A1/de
Publication of DE2258218B2 publication Critical patent/DE2258218B2/de
Application granted granted Critical
Publication of DE2258218C3 publication Critical patent/DE2258218C3/de
Expired 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
    • G03B19/00—Cameras
    • G03B19/02—Still-picture cameras
    • G03B19/12—Reflex cameras with single objective and a movable reflector or a partly-transmitting mirror
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J1/00—Photometry, e.g. photographic exposure meter
    • G01J1/42—Photometry, e.g. photographic exposure meter using electric radiation detectors
    • G01J1/4209—Photoelectric exposure meters for determining the exposure time in recording or reproducing
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Exposure Control For Cameras (AREA)
  • Automatic Focus Adjustment (AREA)
DE2258218A 1971-12-01 1972-11-28 Anordnung zur Lichtmessung für fotografische Zwecke Expired DE2258218C3 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9749871A JPS5320854B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1971-12-01 1971-12-01

Publications (3)

Publication Number Publication Date
DE2258218A1 DE2258218A1 (de) 1973-06-14
DE2258218B2 DE2258218B2 (de) 1974-04-11
DE2258218C3 true DE2258218C3 (de) 1974-11-07

Family

ID=14193914

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2258218A Expired DE2258218C3 (de) 1971-12-01 1972-11-28 Anordnung zur Lichtmessung für fotografische Zwecke

Country Status (4)

Country Link
US (1) US3850530A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS5320854B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE2258218C3 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB1418917A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4095241A (en) * 1973-04-11 1978-06-13 Canon Kabushiki Kaisha Photo-sensing circuit
JPS50129222A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1974-04-02 1975-10-13
JPS5853327B2 (ja) * 1975-01-31 1983-11-29 富士写真フイルム株式会社 撮影光光質検知のプリント処理方法および装置
JPS51138144U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1975-04-30 1976-11-08
US4035634A (en) * 1975-10-31 1977-07-12 Fuji Shashin Koki Kabushiki Kaisha Light receptor device
US4258993A (en) * 1976-10-05 1981-03-31 Eastman Kodak Company Light discrimination apparatus
DE2852530C3 (de) * 1978-12-05 1981-05-21 Dr. Johannes Heidenhain Gmbh, 8225 Traunreut Photoelemente-Schaltung
JPS634984Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1979-02-28 1988-02-10
US4445778A (en) * 1979-12-21 1984-05-01 Fuji Photo Film Co., Ltd. Method of and apparatus for measuring scene brightness
JPS5833130A (ja) * 1981-08-21 1983-02-26 Yukiharu Hirao 光線弁別器
JPH03163538A (ja) * 1989-11-22 1991-07-15 Fuji Photo Film Co Ltd カメラの光源種判定装置
US5394217A (en) * 1993-09-27 1995-02-28 Eastman Kodak Company Method and apparatus for determining line frequency and detecting variable frequency light sources

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2294377A (en) * 1941-07-31 1942-09-01 Rca Corp Photocell hum demodulator
US3550013A (en) * 1969-01-10 1970-12-22 Gse Inc Noise cancelling system

Also Published As

Publication number Publication date
US3850530A (en) 1974-11-26
GB1418917A (en) 1975-12-24
DE2258218B2 (de) 1974-04-11
JPS4861142A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1973-08-27
DE2258218A1 (de) 1973-06-14
JPS5320854B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1978-06-29

Similar Documents

Publication Publication Date Title
DE3842279C2 (de) Lichtintensitätsdetektorschaltung
DE3203967C2 (de) Photoelektrische Wandlereinrichtung
DE2632893C3 (de) Schaltung zur Steuerung der Belichtung einer Fotokamera
DE2258218C3 (de) Anordnung zur Lichtmessung für fotografische Zwecke
DE2462172C3 (de) Anordnung zur Belichtungsmessung und -anzeige
DE2343415C2 (de) Digitale Anzeigevorrichtung für photographische Zwecke
DE2129935C3 (de) Schaltungsanordnung zur automatischen Steuerung von Kameraverschlüssen für einäugige Spiegelreflexkameras
DE2816851A1 (de) Fotografische kamera mit einer blendenanordnung aus ferroelektrischem material oder aus fluessigkristall
DE3317090A1 (de) Fokusdetektor
DE3225467C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE2846696A1 (de) Einrichtung zur feststellung der scharfeinstellung
DE2917203C2 (de) Vorrichtung zur Ermittlung der Fokussierung einer Linse auf eine Soll-Schärfeebene
DE2145491A1 (de) Anordnung zur Messung der Beleuchtungs starke fotografischer Objekte, insbesondere fur fotoelektrische Belichtungsmesser
CH616508A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE2458868A1 (de) Anordnung zur messung des fokussierungszustandes in optischen systemen, insbesondere in photographischen kameras
DE3304038C2 (de) Einäugige Spiegelreflexkamera
DE2136963C3 (de) Vorrichtung zur Berücksichtigung der Brennweite und der maximalen öffnung der Objektive bei einäugigen Spiegelreflexkameras mit Innenmessung
DE1288425B (de) Einrichtung zur Belichtungssteuerung fuer die Mikrophotographie
CH678979A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE3245830C2 (de) Belichtungssteuerungseinrichtung für eine Kamera
DE3311017C2 (de) Belichtungssteuerschaltung für eine Kamera mit TTL-Lichtmessung und automatischem TTL-Blitzgerät
DE2457877A1 (de) Vorrichtung zur anzeige von belichtungswerten insbesondere im sucherbild einer fotografischen kamera
DE2029064C3 (de) Elektronische Schaltung für eine einäugige Spiegelreflexkamera mit Innenmessung
DE3902502C2 (de) Verfahren und Anordnung zur Messung der Ausgangssignale eines Sensors
DE2646176B2 (de) Kamera mit automatisch gesteuerter elektronischer Blitzlichteinheit

Legal Events

Date Code Title Description
C3 Grant after two publication steps (3rd publication)
E77 Valid patent as to the heymanns-index 1977
8339 Ceased/non-payment of the annual fee