BE609699A - Time control device for cameras - Google Patents

Time control device for cameras

Info

Publication number
BE609699A
BE609699A BE609699A BE609699A BE609699A BE 609699 A BE609699 A BE 609699A BE 609699 A BE609699 A BE 609699A BE 609699 A BE609699 A BE 609699A BE 609699 A BE609699 A BE 609699A
Authority
BE
Belgium
Prior art keywords
cameras
control device
time control
time
control
Prior art date
Application number
BE609699A
Other languages
French (fr)
Original Assignee
Agfa Ag
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 Agfa Ag filed Critical Agfa Ag
Publication of BE609699A publication Critical patent/BE609699A/en

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
    • G03B27/00—Photographic printing apparatus
    • G03B27/72—Controlling or varying light intensity, spectral composition, or exposure time in photographic printing apparatus
    • G03B27/80—Controlling or varying light intensity, spectral composition, or exposure time in photographic printing apparatus in dependence upon automatic analysis of the original
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/28—Modifications for introducing a time delay before switching
    • H03K17/288—Modifications for introducing a time delay before switching in tube switches
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05G—X-RAY TECHNIQUE
    • H05G1/00—X-ray apparatus involving X-ray tubes; Circuits therefor
    • H05G1/08—Electrical details
    • H05G1/26—Measuring, controlling or protecting
    • H05G1/30—Controlling
    • H05G1/38—Exposure time
    • H05G1/42—Exposure time using arrangements for switching when a predetermined dose of radiation has been applied, e.g. in which the switching instant is determined by measuring the electrical energy supplied to the tube

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • X-Ray Techniques (AREA)
BE609699A 1960-10-28 1961-10-27 Time control device for cameras BE609699A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEA35907A DE1146366B (en) 1960-10-28 1960-10-28 Timing device for photographic equipment

Publications (1)

Publication Number Publication Date
BE609699A true BE609699A (en) 1962-02-15

Family

ID=6929312

Family Applications (1)

Application Number Title Priority Date Filing Date
BE609699A BE609699A (en) 1960-10-28 1961-10-27 Time control device for cameras

Country Status (5)

Country Link
US (1) US3166674A (en)
BE (1) BE609699A (en)
DE (1) DE1146366B (en)
GB (1) GB949517A (en)
NL (1) NL270378A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2803138B1 (en) * 2012-01-12 2020-07-15 Wallac OY A method and a switch device for producing an electrical signal in response to mechanical force

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2078677A (en) * 1932-10-19 1937-04-27 Westinghouse Electric & Mfg Co Lighting control
US2353979A (en) * 1942-07-04 1944-07-18 Westinghouse Electric & Mfg Co Measuring system
US2472815A (en) * 1946-08-23 1949-06-14 William D Fleming Automatic light control
BE513475A (en) * 1951-08-16 1952-08-30 Westinghouse Electric Corp photographic timer for image intensifier
US2929000A (en) * 1953-06-29 1960-03-15 Gen Electric Means for and method of interval timing
US2749799A (en) * 1953-08-13 1956-06-12 Strem Thomas Photographic exposure timing device
US2885563A (en) * 1954-10-05 1959-05-05 W M Welch Mfg Company Photographic exposure timer
US3033988A (en) * 1957-04-05 1962-05-08 Edgerton Germeshausen & Grier Method of and apparatus for the control of electric impulses
US2993124A (en) * 1959-02-02 1961-07-18 Gen Electric Timing apparatus

Also Published As

Publication number Publication date
DE1146366B (en) 1963-03-28
NL270378A (en)
US3166674A (en) 1965-01-19
GB949517A (en) 1964-02-12

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