CH430432A - Differentialvorrichtung, insbesondere zum Steuern von Belichtungseinflussgrössen bei photographischen Kameras - Google Patents

Differentialvorrichtung, insbesondere zum Steuern von Belichtungseinflussgrössen bei photographischen Kameras

Info

Publication number
CH430432A
CH430432A CH713565A CH713565A CH430432A CH 430432 A CH430432 A CH 430432A CH 713565 A CH713565 A CH 713565A CH 713565 A CH713565 A CH 713565A CH 430432 A CH430432 A CH 430432A
Authority
CH
Switzerland
Prior art keywords
differential device
influencing variables
photographic cameras
controlling exposure
exposure influencing
Prior art date
Application number
CH713565A
Other languages
English (en)
Inventor
Bertram Jun Wilhelm
Original Assignee
Ernst & Wilhelm Betram Fabrik
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 Ernst & Wilhelm Betram Fabrik filed Critical Ernst & Wilhelm Betram Fabrik
Publication of CH430432A publication Critical patent/CH430432A/de

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
    • G03B7/003—Control of exposure by setting shutters, diaphragms or filters, separately or conjointly setting of both shutter and diaphragm
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
    • F27D17/30—Arrangements for extraction or collection of waste gases; Hoods therefor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
    • F27D17/30—Arrangements for extraction or collection of waste gases; Hoods therefor
    • F27D17/304—Arrangements for extraction or collection of waste gases; Hoods therefor specially adapted for electric arc furnaces
    • 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
    • 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
    • G03B9/00—Exposure-making shutters; Diaphragms
    • G03B9/58—Means for varying duration of "open" period of shutter
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/20—Control lever and linkage systems
    • Y10T74/20207—Multiple controlling elements for single controlled element

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Transmission Devices (AREA)
  • Retarders (AREA)
  • Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
CH713565A 1964-06-11 1965-05-21 Differentialvorrichtung, insbesondere zum Steuern von Belichtungseinflussgrössen bei photographischen Kameras CH430432A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1964B0077209 DE1447341A1 (de) 1964-06-11 1964-06-11 Differentialvorrichtung,insbesondere zum UEbertragen von Belichtungseinflussgroessen bei photographischen Kameras

Publications (1)

Publication Number Publication Date
CH430432A true CH430432A (de) 1967-02-15

Family

ID=6979374

Family Applications (1)

Application Number Title Priority Date Filing Date
CH713565A CH430432A (de) 1964-06-11 1965-05-21 Differentialvorrichtung, insbesondere zum Steuern von Belichtungseinflussgrössen bei photographischen Kameras

Country Status (8)

Country Link
US (2) US3415175A (de)
AT (1) AT257348B (de)
BE (1) BE665298A (de)
CH (1) CH430432A (de)
DE (1) DE1447341A1 (de)
FR (1) FR1445775A (de)
GB (1) GB1104384A (de)
NL (1) NL6507461A (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3756582A (en) * 1971-10-01 1973-09-04 Hawley Manufacturing Corp Exhaust and charging hood for tilting furnace
US3822872A (en) * 1973-04-16 1974-07-09 D Nell Apparatus for collecting and extracting furnace fumes
US3918691A (en) * 1974-05-28 1975-11-11 Hawley Manufacturing Corp Recoil system for furnace charger
SE7614284L (sv) * 1976-12-20 1978-06-21 American Air Filter Co Anordning for uppfangande och bortledande av rokgaser fran en smeltugnsanleggning
US4177975A (en) * 1978-06-14 1979-12-11 Louis A. Grant, Inc. Exhaust hood apparatus with tilting furnace
EP3824235A4 (de) * 2018-07-17 2022-04-20 Systems Spray-Cooled, Inc. Metallurgischer ofen mit integrierter abgashaube
ES2962819T3 (es) * 2020-08-20 2024-03-21 Abp Induction Systems Gmbh Instalación para el reciclaje de chatarra contaminada

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH198255A (de) * 1936-10-24 1938-06-15 Metallgesellschaft Ag Einrichtung zum Auffangen und Absaugen der Abgase an staubhaltige Gase oder Dämpfe erzeugenden Schmelzanlagen, insbesondere Elektroschmelzöfen.
US2610614A (en) * 1947-07-25 1952-09-16 American Steel Foundries Servo control for fluid motors
US2929307A (en) * 1954-01-13 1960-03-22 Voigtlaender Ag Adjusting device for photographic cameras
US2862701A (en) * 1955-08-29 1958-12-02 Pennsylvania Engineering Corp Exhausting apparatus
US2917984A (en) * 1956-03-01 1959-12-22 Voigtlaender Ag Device for the adjustment of exposure values in photographic cameras
US2908737A (en) * 1957-02-08 1959-10-13 Dominicis Giovanni De Smoke suction installation for electric metal melting furnaces
FR1223518A (fr) * 1959-01-28 1960-06-17 Siderurgie Fse Inst Rech Procédé de refroidissement et d'évacuation des gaz chauds provenant d'affinage pneumatique des fontes notamment avec emploi d'oxygène pur
US3205810A (en) * 1962-09-04 1965-09-14 Inland Steel Co Adjustable hood construction for metallurgical furnace
US3269716A (en) * 1962-11-26 1966-08-30 Kaiser Ind Corp Steel conversion vessel

Also Published As

Publication number Publication date
NL6507461A (de) 1965-12-13
DE1447341A1 (de) 1969-01-23
US3415175A (en) 1968-12-10
US3415179A (en) 1968-12-10
FR1445775A (fr) 1966-07-15
AT257348B (de) 1967-10-10
GB1104384A (en) 1968-02-28
BE665298A (de) 1965-10-01

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