NL140987B - Belichtingsregelinrichting. - Google Patents

Belichtingsregelinrichting.

Info

Publication number
NL140987B
NL140987B NL6403303A NL6403303A NL140987B NL 140987 B NL140987 B NL 140987B NL 6403303 A NL6403303 A NL 6403303A NL 6403303 A NL6403303 A NL 6403303A NL 140987 B NL140987 B NL 140987B
Authority
NL
Netherlands
Prior art keywords
control device
exposure control
exposure
control
Prior art date
Application number
NL6403303A
Other languages
English (en)
Other versions
NL6403303A (nl
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
Priority claimed from US268881A external-priority patent/US3205803A/en
Priority claimed from US269000A external-priority patent/US3200723A/en
Application filed by Polaroid Corp filed Critical Polaroid Corp
Publication of NL6403303A publication Critical patent/NL6403303A/xx
Publication of NL140987B publication Critical patent/NL140987B/nl

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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Exposure Control For Cameras (AREA)
NL6403303A 1963-03-29 1964-03-26 Belichtingsregelinrichting. NL140987B (nl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US268881A US3205803A (en) 1963-03-29 1963-03-29 Shutter timing apparatus
US269000A US3200723A (en) 1963-03-29 1963-03-29 Shutter timing apparatus

Publications (2)

Publication Number Publication Date
NL6403303A NL6403303A (nl) 1964-09-30
NL140987B true NL140987B (nl) 1974-01-15

Family

ID=26953382

Family Applications (1)

Application Number Title Priority Date Filing Date
NL6403303A NL140987B (nl) 1963-03-29 1964-03-26 Belichtingsregelinrichting.

Country Status (3)

Country Link
CH (1) CH451691A (nl)
DE (1) DE1299218B (nl)
NL (1) NL140987B (nl)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1577757A (en) * 1976-04-08 1980-10-29 Polaroid Corp Photographic camera with artificial illumination control

Also Published As

Publication number Publication date
CH451691A (de) 1968-05-15
DE1299218B (de) 1969-07-10
NL6403303A (nl) 1964-09-30

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Legal Events

Date Code Title Description
NL80 Abbreviated name of patent owner mentioned of already nullified patent

Owner name: POLAROID

V4 Lapsed because of reaching the maxim lifetime of a patent