DE3850069T2 - Bildsensor, unempfänglich für Rauschsignale, verursacht durch eine Wechselstromversorgung. - Google Patents

Bildsensor, unempfänglich für Rauschsignale, verursacht durch eine Wechselstromversorgung.

Info

Publication number
DE3850069T2
DE3850069T2 DE3850069T DE3850069T DE3850069T2 DE 3850069 T2 DE3850069 T2 DE 3850069T2 DE 3850069 T DE3850069 T DE 3850069T DE 3850069 T DE3850069 T DE 3850069T DE 3850069 T2 DE3850069 T2 DE 3850069T2
Authority
DE
Germany
Prior art keywords
insensitive
caused
power supply
image sensor
noise signals
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
DE3850069T
Other languages
English (en)
Other versions
DE3850069D1 (de
Inventor
Nobumitsu Amachi
Toshiji Hamatani
Takeshi Fukada
Mitsunori Sakama
Naoya Sakamoto
Mitsufumi Kodama
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.)
Semiconductor Energy Laboratory Co Ltd
Original Assignee
Semiconductor Energy Laboratory Co 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 Semiconductor Energy Laboratory Co Ltd filed Critical Semiconductor Energy Laboratory Co Ltd
Application granted granted Critical
Publication of DE3850069D1 publication Critical patent/DE3850069D1/de
Publication of DE3850069T2 publication Critical patent/DE3850069T2/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
    • H04N1/40—Picture signal circuits
    • H04N1/40056—Circuits for driving or energising particular reading heads or original illumination means

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Facsimile Scanning Arrangements (AREA)
DE3850069T 1987-12-14 1988-12-13 Bildsensor, unempfänglich für Rauschsignale, verursacht durch eine Wechselstromversorgung. Expired - Fee Related DE3850069T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62315478A JPH01157163A (ja) 1987-12-14 1987-12-14 原稿読み取り方法

Publications (2)

Publication Number Publication Date
DE3850069D1 DE3850069D1 (de) 1994-07-14
DE3850069T2 true DE3850069T2 (de) 1994-09-29

Family

ID=18065842

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3850069T Expired - Fee Related DE3850069T2 (de) 1987-12-14 1988-12-13 Bildsensor, unempfänglich für Rauschsignale, verursacht durch eine Wechselstromversorgung.

Country Status (4)

Country Link
US (1) US5103321A (de)
EP (1) EP0320889B1 (de)
JP (1) JPH01157163A (de)
DE (1) DE3850069T2 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5519889A (en) * 1994-02-04 1996-05-21 Ford Motor Company Method and apparatus to conceal RF interference in AM radio reception caused by a switch mode power supply
JP3098448B2 (ja) * 1997-04-18 2000-10-16 日本電気ロボットエンジニアリング株式会社 画像入力装置
JP2003133972A (ja) * 2001-10-29 2003-05-09 Fujitsu Ltd 無線送信機を有する電子装置
US7408682B2 (en) * 2003-03-20 2008-08-05 Kabushiki Kaisha Toshiba Image reading apparatus

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3833761A (en) * 1971-07-12 1974-09-03 Int Scanatron Syst Corp Fluorescent lamp system for facsimile
JPS56146357A (en) * 1980-04-15 1981-11-13 Nippon Telegr & Teleph Corp <Ntt> Picture scanning system
JPS6084070A (ja) * 1983-10-14 1985-05-13 Matsushita Graphic Commun Syst Inc イメ−ジセンサ駆動装置
JPS62105573A (ja) * 1985-10-31 1987-05-16 Sharp Corp 原稿読取装置
JPS62172866A (ja) * 1986-01-27 1987-07-29 Canon Inc 画像読取り装置
JPS63263875A (ja) * 1987-04-21 1988-10-31 Sharp Corp 画像読取装置
US4737857A (en) * 1987-06-01 1988-04-12 American Telephone And Telegraph Company Overhead document scanner lighting and scanning apparatus

Also Published As

Publication number Publication date
EP0320889A2 (de) 1989-06-21
EP0320889B1 (de) 1994-06-08
US5103321A (en) 1992-04-07
JPH01157163A (ja) 1989-06-20
DE3850069D1 (de) 1994-07-14
EP0320889A3 (en) 1990-11-07

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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