AT293864B - Vorrichtung zum Scharfeinstellen des Objektivs einer Kamera - Google Patents

Vorrichtung zum Scharfeinstellen des Objektivs einer Kamera

Info

Publication number
AT293864B
AT293864B AT526369A AT526369A AT293864B AT 293864 B AT293864 B AT 293864B AT 526369 A AT526369 A AT 526369A AT 526369 A AT526369 A AT 526369A AT 293864 B AT293864 B AT 293864B
Authority
AT
Austria
Prior art keywords
focusing
lens
camera
Prior art date
Application number
AT526369A
Other languages
English (en)
Inventor
Henry Jacob Koeber
Original Assignee
Bell & Howell Co
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 Bell & Howell Co filed Critical Bell & Howell Co
Application granted granted Critical
Publication of AT293864B publication Critical patent/AT293864B/de

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/26—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
    • G01D5/264—Mechanical constructional elements therefor ; Mechanical adjustment thereof
    • 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
    • G03B13/00—Viewfinders; Focusing aids for cameras; Means for focusing for cameras; Autofocus systems for cameras
    • G03B13/18—Focusing aids
    • G03B13/20—Rangefinders coupled with focusing arrangements, e.g. adjustment of rangefinder automatically focusing camera

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
  • Structure And Mechanism Of Cameras (AREA)
  • Cameras In General (AREA)
  • Focusing (AREA)
  • Lens Barrels (AREA)
  • Accessories Of Cameras (AREA)
AT526369A 1968-06-07 1969-06-03 Vorrichtung zum Scharfeinstellen des Objektivs einer Kamera AT293864B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US73523268A 1968-06-07 1968-06-07

Publications (1)

Publication Number Publication Date
AT293864B true AT293864B (de) 1971-10-25

Family

ID=24954880

Family Applications (1)

Application Number Title Priority Date Filing Date
AT526369A AT293864B (de) 1968-06-07 1969-06-03 Vorrichtung zum Scharfeinstellen des Objektivs einer Kamera

Country Status (9)

Country Link
US (1) US3538833A (de)
AT (1) AT293864B (de)
BE (1) BE734162A (de)
CH (1) CH502608A (de)
DE (1) DE1928450A1 (de)
FR (1) FR2010387A1 (de)
GB (1) GB1218696A (de)
NL (1) NL6908643A (de)
SE (1) SE340219B (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3675559A (en) * 1969-12-31 1972-07-11 Bell & Howell Co Pendulous type rangefinder for optical instrument
US3730068A (en) * 1971-09-13 1973-05-01 Bell & Howell Co Motor driven camera focusing mechanism
US3847474A (en) * 1973-01-19 1974-11-12 Bell & Howell Co Electrical camera focusing mechanism
AT368299B (de) * 1980-01-03 1982-09-27 Moviecam Kinematograph Filmaufnahmekamera

Also Published As

Publication number Publication date
CH502608A (fr) 1971-01-31
DE1928450A1 (de) 1970-01-02
BE734162A (de) 1969-11-17
GB1218696A (en) 1971-01-06
US3538833A (en) 1970-11-10
NL6908643A (de) 1969-12-09
SE340219B (de) 1971-11-08
FR2010387A1 (de) 1970-02-13

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee