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GB1378515A - Electrooptical lens position detection apparatus - Google Patents

Electrooptical lens position detection apparatus

Info

Publication number
GB1378515A
GB1378515A GB690371A GB690371A GB1378515A GB 1378515 A GB1378515 A GB 1378515A GB 690371 A GB690371 A GB 690371A GB 690371 A GB690371 A GB 690371A GB 1378515 A GB1378515 A GB 1378515A
Authority
GB
United Kingdom
Prior art keywords
lens
aperture
image
signals
photo
Prior art date
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.)
Expired
Application number
GB690371A
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.)
SIRA INSTITUTE
Original Assignee
SIRA INSTITUTE
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 SIRA INSTITUTE filed Critical SIRA INSTITUTE
Priority to GB690371A priority Critical patent/GB1378515A/en
Priority to DE19722211860 priority patent/DE2211860A1/en
Publication of GB1378515A publication Critical patent/GB1378515A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
    • G01M11/02—Testing optical properties
    • G01M11/0221—Testing optical properties by determining the optical axis or position of lenses

Landscapes

  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Lenses (AREA)
  • Length Measuring Devices By Optical Means (AREA)

Abstract

1378515 Photo-electrie position determining SIRA INSTITUTE 15 March 1972 [15 March 1971] 6903/71 Addition to 1147521 Heading H4D Apparatus for detecting the position of a lens on a rotatable support comprises a system for illuminating the lens and a photo-cell responsive to illumination reflected from the lens and producing a signal indicating the position of a surface of the lens facing the illuminating system with respect to the axis of rotation of the support, the illuminating system comprising a light source, a stationary mask having an aperture positioned in front of the source, an objective lens arrangement for projecting an image of the aperture on to the lens and a beam splitter arranged to pass light from the source on to the lens via the objective lens arrangement and to pass an image of the aperture reflected from the lens and passed back through the objective lens arrangement on to the photo-cell. A light source 3 illuminates an aperture in mask 4 via lens 12 and the aperture image is passed to lens 1 via objective lens 13 and beam splitter 14. The reflected image is passed by beam splitter 14 on to photodeteotor 10 via mask 9. The photodetector produces signals indicative of the position of lens surface 7 with respect to the rotation axis of support 2 and the lens is adjusted manually until the signals indicate coincidence of the lens surface 7 and support axis. The image may be focussed on to the bottom lens surface. Figs. 2 to 7 (not shown) illustrate various alternative arrangements of the illuminating system. Fig. 8 (not shown) illustrates an electronic circuit suitable for displaying the signals from the photodetector on a cathode-ray tube. The signals may appear as a circle, the radius of which is proportional to the centring error. The signals may alternatively be fed to meters, each meter giving the error in a particular direction.
GB690371A 1971-03-15 1971-03-15 Electrooptical lens position detection apparatus Expired GB1378515A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB690371A GB1378515A (en) 1971-03-15 1971-03-15 Electrooptical lens position detection apparatus
DE19722211860 DE2211860A1 (en) 1971-03-15 1972-03-11 Positioning display device for an optical lens

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB690371A GB1378515A (en) 1971-03-15 1971-03-15 Electrooptical lens position detection apparatus

Publications (1)

Publication Number Publication Date
GB1378515A true GB1378515A (en) 1974-12-27

Family

ID=9822943

Family Applications (1)

Application Number Title Priority Date Filing Date
GB690371A Expired GB1378515A (en) 1971-03-15 1971-03-15 Electrooptical lens position detection apparatus

Country Status (2)

Country Link
DE (1) DE2211860A1 (en)
GB (1) GB1378515A (en)

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007016414A3 (en) * 2005-07-29 2007-11-29 Flextronics Ap Llc Method of aligning the upper and lower centering bells of a lens doublet assembly machine
US7477461B2 (en) 2006-12-22 2009-01-13 Flextronics Ap, Llc Three-element photographic objective with reduced tolerance sensitivities
US7508606B2 (en) 2005-07-29 2009-03-24 Flextronics Ap Llc Method of aligning the upper and lower centering bells of a lens doublet assembly machine
US7531773B2 (en) 2005-09-08 2009-05-12 Flextronics Ap, Llc Auto-focus and zoom module having a lead screw with its rotation results in translation of an optics group
US7573011B2 (en) 2005-09-08 2009-08-11 Flextronics Ap, Llc Zoom module using actuator and lead screw with translating operation
US7580209B2 (en) 2006-09-15 2009-08-25 Flextronics Ap, Llc Auto-focus and zoom module with vibrational actuator and position sensing method
US7590505B2 (en) 2005-09-08 2009-09-15 Flextronics Ap, Llc Manufacturable micropositioning system employing sensor target
WO2010094498A1 (en) * 2009-02-21 2010-08-26 Jos. Schneider Optische Werke Gmbh Method for zero-contact measurement of topography
US7798730B2 (en) 2007-05-07 2010-09-21 Flextronics Ap, Llc Camera blade shutter module
US7825985B2 (en) 2007-07-19 2010-11-02 Flextronics Ap, Llc Camera module back-focal length adjustment method and ultra compact components packaging
US8112128B2 (en) 2006-08-31 2012-02-07 Flextronics Ap, Llc Discreetly positionable camera housing
US8488046B2 (en) 2007-12-27 2013-07-16 Digitaloptics Corporation Configurable tele wide module
CN111610639A (en) * 2019-02-26 2020-09-01 弗提图德萨沃有限公司 An optical lens assembly device and an assembly method of an optomechanical module

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53110553A (en) * 1977-03-08 1978-09-27 Sony Corp Measurement apparatus of gradients of curved faces
JPS5780537A (en) * 1980-11-07 1982-05-20 Tokyo Optical Co Ltd Print-dotting device for lens meter
DE4218988A1 (en) * 1992-06-10 1993-12-16 Zeiss Carl Jena Gmbh Arrangement and method for measuring the centering state of optical components

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007016414A3 (en) * 2005-07-29 2007-11-29 Flextronics Ap Llc Method of aligning the upper and lower centering bells of a lens doublet assembly machine
US7715129B2 (en) 2005-07-29 2010-05-11 Flextronics Ap, Llc Method for aligning and assembling two lens pieces, and a machine to accomplish this task
US7508606B2 (en) 2005-07-29 2009-03-24 Flextronics Ap Llc Method of aligning the upper and lower centering bells of a lens doublet assembly machine
US7573011B2 (en) 2005-09-08 2009-08-11 Flextronics Ap, Llc Zoom module using actuator and lead screw with translating operation
US8018528B2 (en) 2005-09-08 2011-09-13 Flextronics Ap, Llc Backlash prevention system and method
US7590505B2 (en) 2005-09-08 2009-09-15 Flextronics Ap, Llc Manufacturable micropositioning system employing sensor target
US7531773B2 (en) 2005-09-08 2009-05-12 Flextronics Ap, Llc Auto-focus and zoom module having a lead screw with its rotation results in translation of an optics group
US8112128B2 (en) 2006-08-31 2012-02-07 Flextronics Ap, Llc Discreetly positionable camera housing
US7623301B2 (en) 2006-09-15 2009-11-24 Flextronics, AP LLC Auto-focus and zoom module with vibrational actuator and position sensing method
US7580209B2 (en) 2006-09-15 2009-08-25 Flextronics Ap, Llc Auto-focus and zoom module with vibrational actuator and position sensing method
US7477461B2 (en) 2006-12-22 2009-01-13 Flextronics Ap, Llc Three-element photographic objective with reduced tolerance sensitivities
US7798730B2 (en) 2007-05-07 2010-09-21 Flextronics Ap, Llc Camera blade shutter module
US7806606B2 (en) 2007-05-07 2010-10-05 Flextronics Ap, Llc Miniature camera shutter and filter/aperture
US7825985B2 (en) 2007-07-19 2010-11-02 Flextronics Ap, Llc Camera module back-focal length adjustment method and ultra compact components packaging
US8488046B2 (en) 2007-12-27 2013-07-16 Digitaloptics Corporation Configurable tele wide module
WO2010094498A1 (en) * 2009-02-21 2010-08-26 Jos. Schneider Optische Werke Gmbh Method for zero-contact measurement of topography
CN111610639A (en) * 2019-02-26 2020-09-01 弗提图德萨沃有限公司 An optical lens assembly device and an assembly method of an optomechanical module

Also Published As

Publication number Publication date
DE2211860A1 (en) 1972-09-28

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee