GB2250884B - Optical image sensing systems - Google Patents

Optical image sensing systems

Info

Publication number
GB2250884B
GB2250884B GB9026661A GB9026661A GB2250884B GB 2250884 B GB2250884 B GB 2250884B GB 9026661 A GB9026661 A GB 9026661A GB 9026661 A GB9026661 A GB 9026661A GB 2250884 B GB2250884 B GB 2250884B
Authority
GB
United Kingdom
Prior art keywords
optical image
image sensing
sensing systems
systems
optical
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 - Lifetime
Application number
GB9026661A
Other versions
GB2250884A (en
GB9026661D0 (en
Inventor
John Alfred Clarke
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.)
Philips Electronics UK Ltd
BAE Systems Electronics Ltd
Original Assignee
GEC Marconi Ltd
Marconi Co Ltd
Philips Electronic and Associated Industries Ltd
Philips Electronics UK 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 GEC Marconi Ltd, Marconi Co Ltd, Philips Electronic and Associated Industries Ltd, Philips Electronics UK Ltd filed Critical GEC Marconi Ltd
Priority to GB9026661A priority Critical patent/GB2250884B/en
Publication of GB9026661D0 publication Critical patent/GB9026661D0/en
Publication of GB2250884A publication Critical patent/GB2250884A/en
Application granted granted Critical
Publication of GB2250884B publication Critical patent/GB2250884B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/04—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa
    • H04N1/19—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa using multi-element arrays
    • H04N1/195—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa using multi-element arrays the array comprising a two-dimensional array or a combination of two-dimensional arrays
    • H04N1/19505—Scanning picture elements spaced apart from one another in at least one direction
    • H04N1/19515—Scanning picture elements spaced apart from one another in at least one direction in two directions
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
    • G02B26/02—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the intensity of light
    • G02B26/04—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the intensity of light by periodically varying the intensity of light, e.g. using choppers
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
    • G02B26/08—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
    • G02B26/10—Scanning systems
    • G02B26/108—Scanning systems having one or more prisms as scanning elements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/04—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa
    • H04N1/19—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa using multi-element arrays
    • H04N1/191—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa using multi-element arrays the array comprising a one-dimensional array, or a combination of one-dimensional arrays, or a substantially one-dimensional array, e.g. an array of staggered elements
    • H04N1/192—Simultaneously or substantially simultaneously scanning picture elements on one main scanning line
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/04—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa
    • H04N1/19—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa using multi-element arrays
    • H04N1/195—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa using multi-element arrays the array comprising a two-dimensional array or a combination of two-dimensional arrays
    • H04N1/19505—Scanning picture elements spaced apart from one another in at least one direction
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/04—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa
    • H04N1/19—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa using multi-element arrays
    • H04N1/195—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa using multi-element arrays the array comprising a two-dimensional array or a combination of two-dimensional arrays
    • H04N1/19505—Scanning picture elements spaced apart from one another in at least one direction
    • H04N1/19521—Arrangements for moving the elements of the array relative to the scanned image or vice versa
    • H04N1/19526—Optical means
    • H04N1/19536—Refracting elements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/04—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa
    • H04N1/19—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa using multi-element arrays
    • H04N1/195—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa using multi-element arrays the array comprising a two-dimensional array or a combination of two-dimensional arrays
    • H04N1/19505—Scanning picture elements spaced apart from one another in at least one direction
    • H04N1/19521—Arrangements for moving the elements of the array relative to the scanned image or vice versa
    • H04N1/19526—Optical means
    • H04N1/19552—Rotation of optical elements
    • H04N1/19557—Rotation of optical elements about an axis parallel to the optical axis
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/50—Constructional details
    • H04N23/55—Optical parts specially adapted for electronic image sensors; Mounting thereof
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/58—Means for changing the camera field of view without moving the camera body, e.g. nutating or panning of optics or image sensors

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Transforming Light Signals Into Electric Signals (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
GB9026661A 1990-12-07 1990-12-07 Optical image sensing systems Expired - Lifetime GB2250884B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9026661A GB2250884B (en) 1990-12-07 1990-12-07 Optical image sensing systems

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9026661A GB2250884B (en) 1990-12-07 1990-12-07 Optical image sensing systems

Publications (3)

Publication Number Publication Date
GB9026661D0 GB9026661D0 (en) 1991-04-24
GB2250884A GB2250884A (en) 1992-06-17
GB2250884B true GB2250884B (en) 1995-05-10

Family

ID=10686660

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9026661A Expired - Lifetime GB2250884B (en) 1990-12-07 1990-12-07 Optical image sensing systems

Country Status (1)

Country Link
GB (1) GB2250884B (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IL102696A (en) * 1992-07-31 1996-06-18 Ministry Of Defence Armament D Matrix imaging system
US6005682A (en) * 1995-06-07 1999-12-21 Xerox Corporation Resolution enhancement by multiple scanning with a low-resolution, two-dimensional sensor array
FR2740929B1 (en) * 1995-11-08 1997-12-12 Telecommunications Sa ACQUISITION METHOD, ACCORDING TO AN IMPROVED RESOLUTION, OF AN IMAGE PROVIDED BY A PLURALITY OF PHOTOSENSITIVE ELEMENTS
FR2740930B1 (en) * 1995-11-08 1997-12-12 Telecommunications Sa METHOD FOR ACQUIRING ELECTRONIC IMAGES OF AT LEAST TWO SCENES PROVIDED BY A PLURALITY OF PHOTOSENSITIVE ELEMENTS
GB9717175D0 (en) * 1997-08-12 1997-10-22 Barr & Stroud Ltd Optical beam deflector
EP0932296A3 (en) * 1998-01-23 2000-07-05 Canon Kabushiki Kaisha Image reading apparatus
DE19816003C2 (en) * 1998-04-09 2001-05-17 Aeg Infrarot Module Gmbh Method for correcting the gray values of images from a digital infrared camera
DE10228899A1 (en) * 2002-06-27 2004-01-22 Eads Deutschland Gmbh Device and method for laser beam deflection for optical measuring systems and optical elements
DE102005036770B4 (en) * 2005-02-01 2007-03-01 Steinbichler Optotechnik Gmbh camera
WO2009099480A1 (en) 2008-02-05 2009-08-13 Reliant Technologies, Inc. Optical pattern generators using axicon segments
GB0807487D0 (en) 2008-04-24 2008-12-31 Selex Sensors & Airborne Sys Infra Red Dectector System and Method
CN103383096B (en) * 2013-07-12 2018-09-14 深圳雅图数字视频技术有限公司 A kind of contrast adjustment mechanism and the projector with the mechanism
CN110186654B (en) * 2019-05-29 2021-04-06 深圳市慧视智图科技有限公司 Longitudinal resolution testing device

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1238783A (en) * 1968-10-17 1971-07-07
GB2152781A (en) * 1982-06-24 1985-08-07 Ferranti Plc Imaging device
EP0462748A2 (en) * 1990-06-20 1991-12-27 THORN EMI plc Imaging arrangement
GB2250155A (en) * 1990-09-05 1992-05-27 Marconi Gec Ltd An imager with image microscanned over sensor array

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1238783A (en) * 1968-10-17 1971-07-07
GB2152781A (en) * 1982-06-24 1985-08-07 Ferranti Plc Imaging device
EP0462748A2 (en) * 1990-06-20 1991-12-27 THORN EMI plc Imaging arrangement
GB2250155A (en) * 1990-09-05 1992-05-27 Marconi Gec Ltd An imager with image microscanned over sensor array

Also Published As

Publication number Publication date
GB2250884A (en) 1992-06-17
GB9026661D0 (en) 1991-04-24

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)