GB2267580A - Lens system - Google Patents

Lens system

Info

Publication number
GB2267580A
GB2267580A GB9314125A GB9314125A GB2267580A GB 2267580 A GB2267580 A GB 2267580A GB 9314125 A GB9314125 A GB 9314125A GB 9314125 A GB9314125 A GB 9314125A GB 2267580 A GB2267580 A GB 2267580A
Authority
GB
United Kingdom
Prior art keywords
lens
image
lens system
spacer
image capture
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.)
Granted
Application number
GB9314125A
Other versions
GB9314125D0 (en
GB2267580B (en
Inventor
Thomas David Binnie
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.)
VLSI Vision Ltd
Original Assignee
VLSI Vision Ltd
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 VLSI Vision Ltd filed Critical VLSI Vision Ltd
Publication of GB9314125D0 publication Critical patent/GB9314125D0/en
Publication of GB2267580A publication Critical patent/GB2267580A/en
Application granted granted Critical
Publication of GB2267580B publication Critical patent/GB2267580B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below
    • G02B13/16—Optical objectives specially designed for the purposes specified below for use in conjunction with image converters or intensifiers, or for use with projectors, e.g. objectives for projection TV

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lens Barrels (AREA)
  • Transforming Light Signals Into Electric Signals (AREA)

Abstract

The present invention relates to a lens system (2) suitable for substantially direct interfacing with the image sensing surface (3) of a solid state image capture device (4). The lens system (2) comprises a lens (8) and a spacer (a) in substantially direct contact with each other. The spacer (9) preferably has a refractive index not less than that of said lens (8). The lens (8) and spacer (9) have refractive indices and are dimensioned so as to form an image in a plane at or in direct proximity to a rear face of the spacer (9) element remote from the lens (8) element, from an object. In use of the lens system (2) with the lens system (2) mounted substantially directly on the image sensing surface (3) of the image capture device (4) an optical image may be captured thereby. The present invention also relates to an image capture system including a lens system of the invention, which image capture is desirably provided with a video image display device and/or a video image recording device.
GB9314125A 1991-02-23 1993-07-08 Image capture system Expired - Fee Related GB2267580B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB919103846A GB9103846D0 (en) 1991-02-23 1991-02-23 Lens system
PCT/GB1992/000299 WO1992015036A1 (en) 1991-02-23 1992-02-20 Lens system

Publications (3)

Publication Number Publication Date
GB9314125D0 GB9314125D0 (en) 1993-09-22
GB2267580A true GB2267580A (en) 1993-12-08
GB2267580B GB2267580B (en) 1994-09-28

Family

ID=10690498

Family Applications (2)

Application Number Title Priority Date Filing Date
GB919103846A Pending GB9103846D0 (en) 1991-02-23 1991-02-23 Lens system
GB9314125A Expired - Fee Related GB2267580B (en) 1991-02-23 1993-07-08 Image capture system

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB919103846A Pending GB9103846D0 (en) 1991-02-23 1991-02-23 Lens system

Country Status (2)

Country Link
GB (2) GB9103846D0 (en)
WO (1) WO1992015036A1 (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9125954D0 (en) * 1991-12-06 1992-02-05 Vlsi Vision Ltd Electronic camera
US5837985A (en) * 1994-05-14 1998-11-17 Welch Allyn, Inc. Optical imaging assembly having improved image sensor orientation
US5780834A (en) * 1995-05-15 1998-07-14 Welch Allyn, Inc. Imaging and illumination optics assembly
FR2781929B1 (en) 1998-07-28 2002-08-30 St Microelectronics Sa IMAGE SENSOR WITH PHOTODIODE ARRAY
JP3651577B2 (en) * 2000-02-23 2005-05-25 三菱電機株式会社 Imaging device
JP3607160B2 (en) * 2000-04-07 2005-01-05 三菱電機株式会社 Imaging device
FR2820882B1 (en) 2001-02-12 2003-06-13 St Microelectronics Sa THREE TRANSISTOR PHOTODETECTOR
FR2820883B1 (en) 2001-02-12 2003-06-13 St Microelectronics Sa HIGH CAPACITY PHOTODIODE
FR2824665B1 (en) * 2001-05-09 2004-07-23 St Microelectronics Sa CMOS TYPE PHOTODETECTOR
US6950242B2 (en) 2001-07-20 2005-09-27 Michel Sayag Design and fabrication process for a lens system optically coupled to an image-capture device
EP1410089A4 (en) * 2001-07-20 2005-06-01 Michel Sayag Lens system optically coupled to an image-capture device
US20070139792A1 (en) 2005-12-21 2007-06-21 Michel Sayag Adjustable apodized lens aperture
WO2008087485A2 (en) * 2006-09-14 2008-07-24 Tessera Technologies Hungary Kft. Imaging system with relaxed assembly tolerances and associated methods

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4303322A (en) * 1979-11-29 1981-12-01 Canon Kabushiki Kaisha Electronic image pick-up device for a single-lens reflex camera having an interchangeable finder
JPH02161412A (en) * 1988-12-15 1990-06-21 Canon Inc Optical system of television camera
US4992875A (en) * 1988-07-18 1991-02-12 Minolta Camera Kabushiki Kaisha Still video camera

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3724924A (en) * 1970-12-23 1973-04-03 Comp Generale Electricite Multiple focusing device
DE3303157A1 (en) * 1982-02-01 1983-08-11 Nippon Sheet Glass Co. Ltd., Osaka DISC LENS AND METHOD FOR THEIR PRODUCTION
GB2160739A (en) * 1984-06-23 1985-12-24 Mclennan Marine Limited Night vision systems
GB2180954B (en) * 1985-09-27 1989-09-20 Pilkington Perkin Elmer Ltd Improvements in or relating to lenses

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4303322A (en) * 1979-11-29 1981-12-01 Canon Kabushiki Kaisha Electronic image pick-up device for a single-lens reflex camera having an interchangeable finder
US4992875A (en) * 1988-07-18 1991-02-12 Minolta Camera Kabushiki Kaisha Still video camera
JPH02161412A (en) * 1988-12-15 1990-06-21 Canon Inc Optical system of television camera

Also Published As

Publication number Publication date
GB9103846D0 (en) 1991-04-10
GB9314125D0 (en) 1993-09-22
GB2267580B (en) 1994-09-28
WO1992015036A1 (en) 1992-09-03

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Legal Events

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

Effective date: 20050220