FR2303302A1 - Systeme de commande d'exposition avec suiveur de mise au point - Google Patents

Systeme de commande d'exposition avec suiveur de mise au point

Info

Publication number
FR2303302A1
FR2303302A1 FR7605945A FR7605945A FR2303302A1 FR 2303302 A1 FR2303302 A1 FR 2303302A1 FR 7605945 A FR7605945 A FR 7605945A FR 7605945 A FR7605945 A FR 7605945A FR 2303302 A1 FR2303302 A1 FR 2303302A1
Authority
FR
France
Prior art keywords
control system
exposure control
focus tracker
tracker
focus
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
FR7605945A
Other languages
English (en)
Other versions
FR2303302B1 (fr
Inventor
George D Arcy Whiteside
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.)
Polaroid Corp
Original Assignee
Polaroid Corp
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 Polaroid Corp filed Critical Polaroid Corp
Publication of FR2303302A1 publication Critical patent/FR2303302A1/fr
Application granted granted Critical
Publication of FR2303302B1 publication Critical patent/FR2303302B1/fr
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
    • G03B7/16—Control of exposure by setting shutters, diaphragms or filters, separately or conjointly in accordance with both the intensity of the flash source and the distance of the flash source from the object, e.g. in accordance with the "guide number" of the flash bulb and the focusing of the camera

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Exposure Control For Cameras (AREA)
  • Shutters For Cameras (AREA)
  • Lens Barrels (AREA)
  • Diaphragms For Cameras (AREA)
FR7605945A 1975-03-03 1976-03-03 Systeme de commande d'exposition avec suiveur de mise au point Granted FR2303302A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/554,926 US3972057A (en) 1975-03-03 1975-03-03 Exposure control system with follow focus capability

Publications (2)

Publication Number Publication Date
FR2303302A1 true FR2303302A1 (fr) 1976-10-01
FR2303302B1 FR2303302B1 (fr) 1980-04-18

Family

ID=24215275

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7605945A Granted FR2303302A1 (fr) 1975-03-03 1976-03-03 Systeme de commande d'exposition avec suiveur de mise au point

Country Status (7)

Country Link
US (1) US3972057A (fr)
JP (1) JPS6014332B2 (fr)
AU (1) AU502622B2 (fr)
CA (1) CA1064751A (fr)
DE (1) DE2608736A1 (fr)
FR (1) FR2303302A1 (fr)
GB (1) GB1539066A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2393336A1 (fr) * 1977-05-31 1978-12-29 Polaroid Corp Systeme de commande d'exposition pour un appareil de prise de vues photographiques
FR2424560A1 (fr) * 1978-04-24 1979-11-23 Polaroid Corp Dispositif de commande d'exposition a focal fixe avec une caracteristique de correction d'aberration spherique inverse

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4017873A (en) * 1975-10-03 1977-04-12 Polaroid Corporation Exposure control system with braking capability
US4040072A (en) * 1976-01-13 1977-08-02 Polaroid Corporation Shutter latch arrangement releasable through shutter blade actuation and resettable through film advancement
US4147418A (en) * 1977-10-11 1979-04-03 Polaroid Corporation Photographic exposure control system with independent ambient and artificial illumination control modes
US4431286A (en) * 1981-10-13 1984-02-14 Polaroid Corporation Photographic exposure control system having selectable ambient and flash modes
JPS58166630U (ja) * 1982-04-30 1983-11-07 株式会社コシナ フラツシユマチツク装置
GB2547884B (en) 2016-01-23 2020-02-19 Subratie Andrew Follow focus

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2149857A6 (fr) * 1971-08-03 1973-03-30 Polaroid Corp
FR2236203A1 (fr) * 1973-07-05 1975-01-31 Polaroid Corp

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3478660A (en) * 1966-09-29 1969-11-18 Polaroid Corp Photographic apparatus with flash exposure control system
GB1261143A (en) * 1968-02-29 1972-01-19 Ricoh Kk Improvements in and relating to photographic cameras
US3832722A (en) * 1971-08-03 1974-08-27 Polaroid Corp Apparatus and system for flash photography
CA1000547A (en) * 1972-10-11 1976-11-30 Israel Nesson Photographic exposure control mechanism

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2149857A6 (fr) * 1971-08-03 1973-03-30 Polaroid Corp
FR2236203A1 (fr) * 1973-07-05 1975-01-31 Polaroid Corp

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2393336A1 (fr) * 1977-05-31 1978-12-29 Polaroid Corp Systeme de commande d'exposition pour un appareil de prise de vues photographiques
FR2424560A1 (fr) * 1978-04-24 1979-11-23 Polaroid Corp Dispositif de commande d'exposition a focal fixe avec une caracteristique de correction d'aberration spherique inverse

Also Published As

Publication number Publication date
US3972057A (en) 1976-07-27
GB1539066A (en) 1979-01-24
JPS6014332B2 (ja) 1985-04-12
CA1064751A (fr) 1979-10-23
AU502622B2 (en) 1979-08-02
AU1163776A (en) 1977-09-08
FR2303302B1 (fr) 1980-04-18
DE2608736A1 (de) 1976-09-16
JPS51112337A (en) 1976-10-04

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