FR2010388A1 - - Google Patents

Info

Publication number
FR2010388A1
FR2010388A1 FR6918792A FR6918792A FR2010388A1 FR 2010388 A1 FR2010388 A1 FR 2010388A1 FR 6918792 A FR6918792 A FR 6918792A FR 6918792 A FR6918792 A FR 6918792A FR 2010388 A1 FR2010388 A1 FR 2010388A1
Authority
FR
France
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.)
Withdrawn
Application number
FR6918792A
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.)
Bell and Howell Co
Original Assignee
Bell and 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 and Howell Co filed Critical Bell and Howell Co
Publication of FR2010388A1 publication Critical patent/FR2010388A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01CMEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C3/00Measuring distances in line of sight; Optical rangefinders
    • G01C3/02Details
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03BAPPARATUS 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
    • G03B13/00Viewfinders; Focusing aids for cameras; Means for focusing for cameras; Autofocus systems for cameras
    • G03B13/18Focusing aids
    • G03B13/20Rangefinders coupled with focusing arrangements, e.g. adjustment of rangefinder automatically focusing camera

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Focusing (AREA)
  • A Measuring Device Byusing Mechanical Method (AREA)
  • Lens Barrels (AREA)
  • Paper (AREA)
FR6918792A 1968-06-07 1969-06-06 Withdrawn FR2010388A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US73527868A 1968-06-07 1968-06-07

Publications (1)

Publication Number Publication Date
FR2010388A1 true FR2010388A1 (fr) 1970-02-13

Family

ID=24955112

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6918792A Withdrawn FR2010388A1 (fr) 1968-06-07 1969-06-06

Country Status (9)

Country Link
US (1) US3538832A (fr)
AT (1) AT296007B (fr)
BE (1) BE734160A (fr)
CH (1) CH493826A (fr)
DE (1) DE1928790A1 (fr)
FR (1) FR2010388A1 (fr)
GB (1) GB1211838A (fr)
NL (1) NL141655B (fr)
SE (1) SE338917B (fr)

Families Citing this family (3)

* 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
US4000501A (en) * 1971-11-13 1976-12-28 Canon Kabushiki Kaisha Optical instrument with a zoom lens structure
US5276555A (en) * 1992-11-23 1994-01-04 Corning Incorporated Focus adjustment assemblies for projection television

Also Published As

Publication number Publication date
AT296007B (de) 1972-01-25
NL141655B (nl) 1974-03-15
CH493826A (fr) 1970-07-15
SE338917B (fr) 1971-09-20
BE734160A (fr) 1969-11-17
US3538832A (en) 1970-11-10
DE1928790A1 (de) 1970-01-02
NL6908647A (fr) 1969-12-09
GB1211838A (en) 1970-11-11

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Legal Events

Date Code Title Description
ST Notification of lapse