FR2010392A1 - - Google Patents

Info

Publication number
FR2010392A1
FR2010392A1 FR6918796A FR6918796A FR2010392A1 FR 2010392 A1 FR2010392 A1 FR 2010392A1 FR 6918796 A FR6918796 A FR 6918796A FR 6918796 A FR6918796 A FR 6918796A FR 2010392 A1 FR2010392 A1 FR 2010392A1
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Withdrawn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
FR6918796A
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 FR2010392A1 publication Critical patent/FR2010392A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C3/00—Measuring distances in line of sight; Optical rangefinders
    • G01C3/02—Details
    • 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)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Accessories Of Cameras (AREA)
  • Automatic Focus Adjustment (AREA)
FR6918796A 1968-06-07 1969-06-06 Withdrawn FR2010392A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US73532868A 1968-06-07 1968-06-07

Publications (1)

Publication Number Publication Date
FR2010392A1 true FR2010392A1 (fr) 1970-02-13

Family

ID=24955313

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6918796A Withdrawn FR2010392A1 (fr) 1968-06-07 1969-06-06

Country Status (8)

Country Link
US (1) US3550517A (fr)
AT (1) AT293161B (fr)
BE (1) BE734156A (fr)
CH (1) CH501936A (fr)
DE (1) DE1928725A1 (fr)
FR (1) FR2010392A1 (fr)
GB (1) GB1218695A (fr)
NL (1) NL6908646A (fr)

Families Citing this family (6)

* 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
NL181632C (nl) * 1976-12-23 1987-10-01 Minnesota Mining & Mfg Electreetfilter en werkwijze voor het vervaardigen daarvan.
JPS5652709A (en) * 1979-10-08 1981-05-12 Canon Inc Focus control device of camera
AT368299B (de) * 1980-01-03 1982-09-27 Moviecam Kinematograph Filmaufnahmekamera
US4794417A (en) * 1985-10-04 1988-12-27 Canon Kabushiki Kaisha Photographing apparatus
CN115824177A (zh) * 2023-02-17 2023-03-21 山东省国土测绘院 一种具有高稳定性的地理信息测绘标尺

Also Published As

Publication number Publication date
DE1928725A1 (de) 1970-01-02
BE734156A (fr) 1969-11-17
AT293161B (de) 1971-09-27
NL6908646A (fr) 1969-12-09
CH501936A (fr) 1971-01-15
GB1218695A (en) 1971-01-06
US3550517A (en) 1970-12-29

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Legal Events

Date Code Title Description
ST Notification of lapse