DE2150945B1 - Vorrichtung zur automatischen Blendeneinstellung von photographischen Kameras - Google Patents

Vorrichtung zur automatischen Blendeneinstellung von photographischen Kameras

Info

Publication number
DE2150945B1
DE2150945B1 DE19712150945D DE2150945DA DE2150945B1 DE 2150945 B1 DE2150945 B1 DE 2150945B1 DE 19712150945 D DE19712150945 D DE 19712150945D DE 2150945D A DE2150945D A DE 2150945DA DE 2150945 B1 DE2150945 B1 DE 2150945B1
Authority
DE
Germany
Prior art keywords
adjusting ring
ring
receiver
camera
camera lens
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
DE19712150945D
Other languages
German (de)
English (en)
Other versions
DE2150945C2 (OSRAM
Inventor
Schmidt Hans Dietrich
Herbert Maronde
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.)
Robot Foto and Electronic GmbH and Co KG
Original Assignee
Robot Foto and Electronic GmbH and Co KG
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 Robot Foto and Electronic GmbH and Co KG filed Critical Robot Foto and Electronic GmbH and Co KG
Publication of DE2150945B1 publication Critical patent/DE2150945B1/de
Application granted granted Critical
Publication of DE2150945C2 publication Critical patent/DE2150945C2/de
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
    • G03B7/085—Analogue circuits for control of aperture

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Diaphragms For Cameras (AREA)
  • Exposure Control For Cameras (AREA)
  • Structure And Mechanism Of Cameras (AREA)
DE19712150945D 1971-10-13 1971-10-13 Vorrichtung zur automatischen Blendeneinstellung von photographischen Kameras Granted DE2150945B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2150945 1971-10-13

Publications (2)

Publication Number Publication Date
DE2150945B1 true DE2150945B1 (de) 1972-09-21
DE2150945C2 DE2150945C2 (OSRAM) 1974-05-22

Family

ID=5822190

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19712150945D Granted DE2150945B1 (de) 1971-10-13 1971-10-13 Vorrichtung zur automatischen Blendeneinstellung von photographischen Kameras

Country Status (7)

Country Link
US (1) US3816841A (OSRAM)
JP (1) JPS4847832A (OSRAM)
CH (1) CH556035A (OSRAM)
DD (1) DD102480A5 (OSRAM)
DE (1) DE2150945B1 (OSRAM)
FR (1) FR2157551A1 (OSRAM)
SE (1) SE384279B (OSRAM)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3988749A (en) * 1972-09-20 1976-10-26 Fritz Victor Hasselblad Device for automatic diaphragm setting in photographic cameras
JPS60163430U (ja) * 1984-04-10 1985-10-30 日本ビクター株式会社 カメラのオ−トアイリス機構
KR960001777A (ko) * 1994-06-01 1996-01-25 제임스 디. 튜턴 차량 감시 시스템 도플러 신호의 주파수 영역처리방법
KR960003444A (ko) * 1994-06-01 1996-01-26 제임스 디. 튜턴 차량 감시 시스템
US6111523A (en) * 1995-11-20 2000-08-29 American Traffic Systems, Inc. Method and apparatus for photographing traffic in an intersection
US5948038A (en) * 1996-07-31 1999-09-07 American Traffic Systems, Inc. Traffic violation processing system
US20060093351A1 (en) * 2004-11-01 2006-05-04 Ying-Piao Lee Aperture device for camera and video camera

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE730288C (de) * 1934-03-16 1943-01-08 Oedoen Riszdorfer Dr Lichtblende fuer die Fotozelle elektrischer Belichtungsmesser
US2655086A (en) * 1951-04-13 1953-10-13 Neville E Walker Autoamtic camera light aperture control
FR1283096A (fr) * 1961-03-09 1962-01-27 Fr Chauvin Arnoux Soc Dispositif d'asservissement destiné notamment au réglage automatique des diaphragmes pour caméras ou appareils photographiques
US3250193A (en) * 1962-08-06 1966-05-10 Eastman Kodak Co Automatic flash exposure at low light level illumination
CH418120A (de) * 1963-11-02 1966-07-31 Biviator Sa Vollautomatische Blendenregelvorrichtung an einer Kamera
JPS4935695B1 (OSRAM) * 1965-10-07 1974-09-25
CH457133A (de) * 1967-03-31 1968-05-31 Zeiss Ikon Ag Laufbildaufnahmekamera mit einer Belichtungsregeleinrichtung
US3430053A (en) * 1967-08-24 1969-02-25 Lawrence A Westhaver Method for aperture control in which the loop gain is caused to vanish when the absolute value of the error is less than a given value and is caused to assume its nominal value when the absolute value of the error is greater than a second given value

Also Published As

Publication number Publication date
US3816841A (en) 1974-06-11
DE2150945C2 (OSRAM) 1974-05-22
JPS4847832A (OSRAM) 1973-07-06
CH556035A (de) 1974-11-15
FR2157551A1 (OSRAM) 1973-06-01
DD102480A5 (OSRAM) 1973-12-12
SE384279B (sv) 1976-04-26

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