DE69020062D1 - Verfahren zur Bestimmung der Form einer Blende. - Google Patents

Verfahren zur Bestimmung der Form einer Blende.

Info

Publication number
DE69020062D1
DE69020062D1 DE69020062T DE69020062T DE69020062D1 DE 69020062 D1 DE69020062 D1 DE 69020062D1 DE 69020062 T DE69020062 T DE 69020062T DE 69020062 T DE69020062 T DE 69020062T DE 69020062 D1 DE69020062 D1 DE 69020062D1
Authority
DE
Germany
Prior art keywords
aperture
determining
shape
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 - Fee Related
Application number
DE69020062T
Other languages
English (en)
Other versions
DE69020062T2 (de
Inventor
David W Boyd
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.)
HP Inc
Original Assignee
Hewlett Packard 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 Hewlett Packard Co filed Critical Hewlett Packard Co
Application granted granted Critical
Publication of DE69020062D1 publication Critical patent/DE69020062D1/de
Publication of DE69020062T2 publication Critical patent/DE69020062T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H04N1/00002—Diagnosis, testing or measuring; Detecting, analysing or monitoring not otherwise provided for
    • H04N1/00007—Diagnosis, testing or measuring; Detecting, analysing or monitoring not otherwise provided for relating to particular apparatus or devices
    • H04N1/00013—Reading apparatus
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/005—Diaphragms
    • 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
    • H04N1/00002—Diagnosis, testing or measuring; Detecting, analysing or monitoring not otherwise provided for
    • H04N1/00026—Methods therefor
    • H04N1/00031—Testing, i.e. determining the result of a trial
    • 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
    • H04N1/00002—Diagnosis, testing or measuring; Detecting, analysing or monitoring not otherwise provided for
    • H04N1/00026—Methods therefor
    • H04N1/00053—Methods therefor out of service, i.e. outside of normal operation
    • 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
    • H04N1/00002—Diagnosis, testing or measuring; Detecting, analysing or monitoring not otherwise provided for
    • H04N1/00071—Diagnosis, testing or measuring; Detecting, analysing or monitoring not otherwise provided for characterised by the action taken
    • H04N1/00082—Adjusting or controlling
    • 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
    • H04N1/024—Details of scanning heads ; Means for illuminating the original
    • H04N1/028—Details of scanning heads ; Means for illuminating the original for picture information pick-up
    • H04N1/03—Details of scanning heads ; Means for illuminating the original for picture information pick-up with photodetectors arranged in a substantially linear array
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
    • H04N2201/024—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof deleted
    • H04N2201/02487—Manufacturing details
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
    • H04N2201/024—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof deleted
    • H04N2201/02493—Additional optical elements not otherwise provided for, e.g. filters, polarising plates, masks or apertures

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • General Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
DE69020062T 1989-08-03 1990-07-20 Verfahren zur Bestimmung der Form einer Blende. Expired - Fee Related DE69020062T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/389,033 US4959541A (en) 1989-08-03 1989-08-03 Method for determining aperture shape

Publications (2)

Publication Number Publication Date
DE69020062D1 true DE69020062D1 (de) 1995-07-20
DE69020062T2 DE69020062T2 (de) 1995-09-21

Family

ID=23536551

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69020062T Expired - Fee Related DE69020062T2 (de) 1989-08-03 1990-07-20 Verfahren zur Bestimmung der Form einer Blende.

Country Status (4)

Country Link
US (1) US4959541A (de)
EP (1) EP0411800B1 (de)
JP (1) JP2750211B2 (de)
DE (1) DE69020062T2 (de)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5187358A (en) * 1989-02-15 1993-02-16 Canon Kabushiki Kaisha Image reading device having a telecentric optical system and a blazed diffraction grating
US5173599A (en) * 1989-08-29 1992-12-22 Canon Kabushiki Kaisha Color image reading apparatus with blazed diffraction grating
DE4004942A1 (de) * 1990-02-16 1991-08-22 Agfa Gevaert Ag Elektronischer bildscanner mit einem zeilenfoermigen bildsensor
US5221835A (en) * 1991-06-07 1993-06-22 Canon Kabushiki Kaisha Image reading apparatus having a reflective blazed diffraction grating with varied pitch
DE4240734C1 (de) * 1992-12-03 1994-03-31 Computer Ges Konstanz Objektivblende
FR2705854A1 (fr) * 1993-05-24 1994-12-02 Swatch Ag Système de lecture optique à balayage.
US5726446A (en) * 1995-10-31 1998-03-10 Hewlett Packard Company Line-focus system with a self-adhesive occluding aperture attached to a light source
US5659168A (en) * 1995-11-13 1997-08-19 Eastman Kodak Company Radiometric calibration system
US6033086A (en) * 1998-04-30 2000-03-07 Hewlett-Packard Company Compact illumination system for image scanner
US6229137B1 (en) 1998-09-14 2001-05-08 Hewlett-Packard Company Scan line illumination system utilizing hollow reflector
US6878922B1 (en) * 1998-12-23 2005-04-12 Hewlett-Packard Development Company, L.P. Optical system for compensating for non-uniform illumination of an object
US7117374B2 (en) * 2000-03-24 2006-10-03 Intermec Ip Corp Apparatus and method for gathering and utilizing data
WO2005028169A2 (en) * 2003-09-17 2005-03-31 Wmh Tool Group, Inc. Power tool and components therefor
CA2548931A1 (en) * 2006-05-11 2007-11-11 The Fluid Life Corporation Method and apparatus for improving accuracy of optic sensors used in capillary tube instruments
US8358317B2 (en) 2008-05-23 2013-01-22 Evans & Sutherland Computer Corporation System and method for displaying a planar image on a curved surface
US8702248B1 (en) 2008-06-11 2014-04-22 Evans & Sutherland Computer Corporation Projection method for reducing interpixel gaps on a viewing surface
US8077378B1 (en) * 2008-11-12 2011-12-13 Evans & Sutherland Computer Corporation Calibration system and method for light modulation device
US9641826B1 (en) 2011-10-06 2017-05-02 Evans & Sutherland Computer Corporation System and method for displaying distant 3-D stereo on a dome surface

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4380390A (en) * 1979-10-29 1983-04-19 Canon Kabushiki Kaisha Exposure correcting device
US4495422A (en) * 1981-11-27 1985-01-22 Xerox Corporation Illumination control for raster input scanners
JPS59154873A (ja) * 1983-02-24 1984-09-03 Asahi Optical Co Ltd 画像読取装置
US4870268A (en) * 1986-04-02 1989-09-26 Hewlett-Packard Company Color combiner and separator and implementations
US4709144A (en) * 1986-04-02 1987-11-24 Hewlett-Packard Company Color imager utilizing novel trichromatic beamsplitter and photosensor
US4926041A (en) * 1989-07-20 1990-05-15 Hewlett-Packard Company Optical scanner

Also Published As

Publication number Publication date
JP2750211B2 (ja) 1998-05-13
EP0411800A2 (de) 1991-02-06
US4959541A (en) 1990-09-25
DE69020062T2 (de) 1995-09-21
EP0411800A3 (en) 1992-04-08
JPH0372225A (ja) 1991-03-27
EP0411800B1 (de) 1995-06-14

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee