CH493826A - Dispositif de détermination de distance - Google Patents

Dispositif de détermination de distance

Info

Publication number
CH493826A
CH493826A CH884769A CH884769A CH493826A CH 493826 A CH493826 A CH 493826A CH 884769 A CH884769 A CH 884769A CH 884769 A CH884769 A CH 884769A CH 493826 A CH493826 A CH 493826A
Authority
CH
Switzerland
Prior art keywords
determination device
distance determination
distance
determination
Prior art date
Application number
CH884769A
Other languages
English (en)
Inventor
Jacob Koeber Henry
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
Publication of CH493826A publication Critical patent/CH493826A/fr

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
CH884769A 1968-06-07 1969-06-06 Dispositif de détermination de distance CH493826A (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
CH493826A true CH493826A (fr) 1970-07-15

Family

ID=24955112

Family Applications (1)

Application Number Title Priority Date Filing Date
CH884769A CH493826A (fr) 1968-06-07 1969-06-06 Dispositif de détermination de distance

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
US3538832A (en) 1970-11-10
GB1211838A (en) 1970-11-11
NL141655B (nl) 1974-03-15
NL6908647A (fr) 1969-12-09
FR2010388A1 (fr) 1970-02-13
SE338917B (fr) 1971-09-20
AT296007B (de) 1972-01-25
BE734160A (fr) 1969-11-17
DE1928790A1 (de) 1970-01-02

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Legal Events

Date Code Title Description
PL Patent ceased