GB770819A - Improvements in or relating to photographic shutters - Google Patents

Improvements in or relating to photographic shutters

Info

Publication number
GB770819A
GB770819A GB16730/55A GB1673055A GB770819A GB 770819 A GB770819 A GB 770819A GB 16730/55 A GB16730/55 A GB 16730/55A GB 1673055 A GB1673055 A GB 1673055A GB 770819 A GB770819 A GB 770819A
Authority
GB
United Kingdom
Prior art keywords
knob
deckel
june
photographic
shutter
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
GB16730/55A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB770819A publication Critical patent/GB770819A/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
    • G03B7/003—Control of exposure by setting shutters, diaphragms or filters, separately or conjointly setting of both shutter and diaphragm

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Transmission Devices (AREA)

Abstract

770,819. Photographic cameras. DECKEL, H., and DECKEL, F. W. June 10, 1955 [June 11, 1954], No. 16730/55. Class 98(1) A photographic shutter has shutterspeed and diaphragm setting members with means for disengageably coupling them for movement together, and separate means for temporarily uncoupling the setting members. As shown in Figs. 1 and 2, a resilient arm 4 mounted on the shutter-speed setting member has a tooth 5 engaging an arcuate rack 3 formed on the diaphragm adjusting member 2. A knob 6 is slidably mounted in a flange 20 to move the arm 4 to disengage it from rack 3. Modifications are described in which the knob 6 is replaced by a crank knob, a sliding cam, a rotatable cam or a pivoted lever.
GB16730/55A 1954-06-11 1955-06-10 Improvements in or relating to photographic shutters Expired GB770819A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE770819X 1954-06-11

Publications (1)

Publication Number Publication Date
GB770819A true GB770819A (en) 1957-03-27

Family

ID=6676662

Family Applications (1)

Application Number Title Priority Date Filing Date
GB16730/55A Expired GB770819A (en) 1954-06-11 1955-06-10 Improvements in or relating to photographic shutters

Country Status (1)

Country Link
GB (1) GB770819A (en)

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