FR2010391A1 - - Google Patents

Info

Publication number
FR2010391A1
FR2010391A1 FR6918795A FR6918795A FR2010391A1 FR 2010391 A1 FR2010391 A1 FR 2010391A1 FR 6918795 A FR6918795 A FR 6918795A FR 6918795 A FR6918795 A FR 6918795A FR 2010391 A1 FR2010391 A1 FR 2010391A1
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Withdrawn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
FR6918795A
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 FR2010391A1 publication Critical patent/FR2010391A1/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Withdrawn legal-status Critical Current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)
  • Pivots And Pivotal Connections (AREA)
FR6918795A 1968-06-07 1969-06-06 Withdrawn FR2010391A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US73529368A 1968-06-07 1968-06-07

Publications (1)

Publication Number Publication Date
FR2010391A1 true FR2010391A1 (fr) 1970-02-13

Family

ID=24955173

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6918795A Withdrawn FR2010391A1 (fr) 1968-06-07 1969-06-06

Country Status (6)

Country Link
BE (1) BE734157A (fr)
CH (1) CH493825A (fr)
DE (1) DE1928792B2 (fr)
FR (1) FR2010391A1 (fr)
NL (1) NL6908644A (fr)
SE (1) SE340040B (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110207669B (zh) * 2019-06-14 2023-05-16 保利新联爆破工程集团有限公司 一种溶洞智能测量装置及其测量方法

Also Published As

Publication number Publication date
BE734157A (fr) 1969-11-17
NL6908644A (fr) 1969-12-09
DE1928792A1 (de) 1969-12-11
CH493825A (fr) 1970-07-15
DE1928792B2 (de) 1971-07-22
SE340040B (fr) 1971-11-01

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Legal Events

Date Code Title Description
ST Notification of lapse