AU2183570A - Photographic apparatus having automatic film speed insertion - Google Patents

Photographic apparatus having automatic film speed insertion

Info

Publication number
AU2183570A
AU2183570A AU21835/70A AU2183570A AU2183570A AU 2183570 A AU2183570 A AU 2183570A AU 21835/70 A AU21835/70 A AU 21835/70A AU 2183570 A AU2183570 A AU 2183570A AU 2183570 A AU2183570 A AU 2183570A
Authority
AU
Australia
Prior art keywords
automatic film
photographic apparatus
film speed
speed insertion
photographic
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
AU21835/70A
Other languages
English (en)
Inventor
Heinrich Biber Conrad
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 AU2183570A publication Critical patent/AU2183570A/en
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
    • 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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)
  • Exposure Control For Cameras (AREA)
AU21835/70A 1969-11-19 1970-11-03 Photographic apparatus having automatic film speed insertion Expired AU2183570A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US87790269A 1969-11-19 1969-11-19
USUS877,902 1969-11-19

Publications (1)

Publication Number Publication Date
AU2183570A true AU2183570A (en) 1972-05-04

Family

ID=25370949

Family Applications (1)

Application Number Title Priority Date Filing Date
AU21835/70A Expired AU2183570A (en) 1969-11-19 1970-11-03 Photographic apparatus having automatic film speed insertion

Country Status (6)

Country Link
AU (1) AU2183570A (fr)
BE (1) BE759091A (fr)
DE (1) DE2056794A1 (fr)
FR (1) FR2069607A5 (fr)
GB (1) GB1314610A (fr)
NL (1) NL7016954A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3750551A (en) * 1971-12-29 1973-08-07 Polaroid Corp Photographic apparatus and system with automatic film cover ejection

Also Published As

Publication number Publication date
BE759091A (fr) 1971-05-18
NL7016954A (fr) 1971-05-24
DE2056794A1 (de) 1971-05-27
FR2069607A5 (fr) 1971-09-03
GB1314610A (en) 1973-04-26

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