CH521603A - Mécanisme de détermination de distance d'un instrument d'optique - Google Patents

Mécanisme de détermination de distance d'un instrument d'optique

Info

Publication number
CH521603A
CH521603A CH1781469A CH1781469A CH521603A CH 521603 A CH521603 A CH 521603A CH 1781469 A CH1781469 A CH 1781469A CH 1781469 A CH1781469 A CH 1781469A CH 521603 A CH521603 A CH 521603A
Authority
CH
Switzerland
Prior art keywords
optical instrument
distance determining
determining mechanism
distance
instrument
Prior art date
Application number
CH1781469A
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 CH521603A publication Critical patent/CH521603A/fr

Links

Classifications

    • 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)
  • Lens Barrels (AREA)
  • Focusing (AREA)
  • Viewfinders (AREA)
  • Automatic Focus Adjustment (AREA)
CH1781469A 1968-11-29 1969-11-28 Mécanisme de détermination de distance d'un instrument d'optique CH521603A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US78009368A 1968-11-29 1968-11-29

Publications (1)

Publication Number Publication Date
CH521603A true CH521603A (fr) 1972-04-15

Family

ID=25118573

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1781469A CH521603A (fr) 1968-11-29 1969-11-28 Mécanisme de détermination de distance d'un instrument d'optique

Country Status (9)

Country Link
US (1) US3563151A (fr)
JP (1) JPS4913022B1 (fr)
AT (1) AT296009B (fr)
BE (1) BE742397A (fr)
CH (1) CH521603A (fr)
DE (1) DE1959183B2 (fr)
FR (1) FR2024522A1 (fr)
GB (1) GB1225453A (fr)
NL (1) NL6917932A (fr)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3797909A (en) * 1972-09-05 1974-03-19 Bell & Howell Co Direct reading triangulation focusing mechanism
US3827069A (en) * 1973-03-01 1974-07-30 H Stowell Focusing mechanism for underwater camera
US4227790A (en) * 1979-03-09 1980-10-14 Polaroid Corporation Auto/manual focus control mode selector
AT368299B (de) * 1980-01-03 1982-09-27 Moviecam Kinematograph Filmaufnahmekamera
US7603804B2 (en) * 2003-11-04 2009-10-20 Leupold & Stevens, Inc. Ballistic reticle for projectile weapon aiming systems and method of aiming
US7239377B2 (en) 2004-10-13 2007-07-03 Bushnell Performance Optics Method, device, and computer program for determining a range to a target
EP1943681B1 (fr) 2005-11-01 2020-10-14 Leupold & Stevens, Inc. Procedes de mesure de distances balistiques et systemes de tir incline
US7658031B2 (en) * 2005-12-21 2010-02-09 Bushnell, Inc. Handheld rangefinder operable to determine hold over ballistic information
US8081298B1 (en) 2008-07-24 2011-12-20 Bushnell, Inc. Handheld rangefinder operable to determine hold-over ballistic information
US10061349B2 (en) * 2012-12-06 2018-08-28 Sandisk Technologies Llc Head mountable camera system
US10110805B2 (en) 2012-12-06 2018-10-23 Sandisk Technologies Llc Head mountable camera system
CN113359371B (zh) * 2021-05-31 2023-04-07 吉林大学 适用于空间相机调焦机构的可复位锁定器
CN115883798A (zh) * 2021-09-29 2023-03-31 中强光电股份有限公司 焦距调整方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1258459A (en) * 1917-05-22 1918-03-05 Richard A Read Focusing device.

Also Published As

Publication number Publication date
FR2024522A1 (fr) 1970-08-28
BE742397A (fr) 1970-05-04
NL6917932A (fr) 1970-06-02
GB1225453A (fr) 1971-03-17
JPS4913022B1 (fr) 1974-03-28
AT296009B (de) 1972-01-25
DE1959183A1 (de) 1971-04-01
US3563151A (en) 1971-02-16
DE1959183B2 (de) 1972-01-27

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Legal Events

Date Code Title Description
PL Patent ceased