CA1132244A - Signal restoration and gain control for image viewing devices - Google Patents

Signal restoration and gain control for image viewing devices

Info

Publication number
CA1132244A
CA1132244A CA343,642A CA343642A CA1132244A CA 1132244 A CA1132244 A CA 1132244A CA 343642 A CA343642 A CA 343642A CA 1132244 A CA1132244 A CA 1132244A
Authority
CA
Canada
Prior art keywords
signals
image
image signals
signal
output
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
CA343,642A
Other languages
English (en)
French (fr)
Inventor
Douglas G. Wiggins
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.)
Xerox Corp
Original Assignee
Xerox Corp
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 Xerox Corp filed Critical Xerox Corp
Application granted granted Critical
Publication of CA1132244A publication Critical patent/CA1132244A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
    • H04N25/60—Noise processing, e.g. detecting, correcting, reducing or removing noise
    • H04N25/67—Noise processing, e.g. detecting, correcting, reducing or removing noise applied to fixed-pattern noise, e.g. non-uniformity of response
    • H04N25/671—Noise processing, e.g. detecting, correcting, reducing or removing noise applied to fixed-pattern noise, e.g. non-uniformity of response for non-uniformity detection or correction
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
    • H04N25/70—SSIS architectures; Circuits associated therewith
    • H04N25/701—Line sensors

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Transforming Light Signals Into Electric Signals (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Picture Signal Circuits (AREA)
CA343,642A 1979-03-26 1980-01-14 Signal restoration and gain control for image viewing devices Expired CA1132244A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/023,570 US4216503A (en) 1979-03-26 1979-03-26 Signal restoration and gain control for image viewing devices
US023,570 1987-03-09

Publications (1)

Publication Number Publication Date
CA1132244A true CA1132244A (en) 1982-09-21

Family

ID=21815913

Family Applications (1)

Application Number Title Priority Date Filing Date
CA343,642A Expired CA1132244A (en) 1979-03-26 1980-01-14 Signal restoration and gain control for image viewing devices

Country Status (5)

Country Link
US (1) US4216503A (cg-RX-API-DMAC7.html)
EP (1) EP0016629B1 (cg-RX-API-DMAC7.html)
JP (1) JPS55130276A (cg-RX-API-DMAC7.html)
CA (1) CA1132244A (cg-RX-API-DMAC7.html)
DE (1) DE3066908D1 (cg-RX-API-DMAC7.html)

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DE69318885T2 (de) * 1992-05-04 1999-01-21 Agfa-Gevaert N.V., Mortsel Automatische Verschiebung und Verstärkungssteuerung für einen Dokumentenabtaster
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JP3297946B2 (ja) * 1993-03-23 2002-07-02 ソニー株式会社 電荷転送装置
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JP3318905B2 (ja) * 1993-12-03 2002-08-26 ソニー株式会社 電荷転送装置
JP3525500B2 (ja) * 1994-07-26 2004-05-10 ミノルタ株式会社 固体撮像装置
US6038038A (en) * 1994-08-24 2000-03-14 Xerox Corporation Method for determining offset and gain correction for a light sensitive sensor
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US5621217A (en) * 1995-09-28 1997-04-15 Xerox Corporation Apparatus and method for calibrating a digital scanner
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US9134344B2 (en) 2009-10-28 2015-09-15 Gridview Optical Solutions, Llc. Optical sensor assembly for installation on a current carrying cable
US8076925B2 (en) * 2009-10-28 2011-12-13 Optisense Network, Inc. Optical sensor assembly for installation on a current carrying cable
US8395372B2 (en) * 2009-10-28 2013-03-12 Optisense Network, Llc Method for measuring current in an electric power distribution system
US9535097B2 (en) 2012-07-19 2017-01-03 Gridview Optical Solutions, Llc. Electro-optic current sensor with high dynamic range and accuracy
US9146358B2 (en) 2013-07-16 2015-09-29 Gridview Optical Solutions, Llc Collimator holder for electro-optical sensor

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Also Published As

Publication number Publication date
US4216503A (en) 1980-08-05
EP0016629A2 (en) 1980-10-01
EP0016629A3 (en) 1980-10-15
JPS55130276A (en) 1980-10-08
EP0016629B1 (en) 1984-03-14
JPS6342906B2 (cg-RX-API-DMAC7.html) 1988-08-26
DE3066908D1 (en) 1984-04-19

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Legal Events

Date Code Title Description
MKEX Expiry
MKEX Expiry

Effective date: 19990921