GB2267580A - Lens system - Google Patents
Lens systemInfo
- 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
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.
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)
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)
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)
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 |
-
1991
- 1991-02-23 GB GB919103846A patent/GB9103846D0/en active Pending
-
1992
- 1992-02-20 WO PCT/GB1992/000299 patent/WO1992015036A1/en active Application Filing
-
1993
- 1993-07-08 GB GB9314125A patent/GB2267580B/en not_active Expired - Fee Related
Patent Citations (3)
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 |