FR2714751B1 - Anti-fouling device for a light transmission screen between an information medium lit by a light source and reading elements. - Google Patents

Anti-fouling device for a light transmission screen between an information medium lit by a light source and reading elements.

Info

Publication number
FR2714751B1
FR2714751B1 FR9400031A FR9400031A FR2714751B1 FR 2714751 B1 FR2714751 B1 FR 2714751B1 FR 9400031 A FR9400031 A FR 9400031A FR 9400031 A FR9400031 A FR 9400031A FR 2714751 B1 FR2714751 B1 FR 2714751B1
Authority
FR
France
Prior art keywords
information medium
light source
transmission screen
reading elements
light transmission
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
FR9400031A
Other languages
French (fr)
Other versions
FR2714751A1 (en
Inventor
Jean-Marie Gatto
Dominique Bertrand
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.)
INT JEUX
Original Assignee
INT JEUX
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 INT JEUX filed Critical INT JEUX
Priority to FR9400031A priority Critical patent/FR2714751B1/en
Publication of FR2714751A1 publication Critical patent/FR2714751A1/en
Application granted granted Critical
Publication of FR2714751B1 publication Critical patent/FR2714751B1/en
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
    • H04N1/024—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
    • H04N1/031—Details of scanning heads ; Means for illuminating the original for picture information pick-up with photodetectors arranged in a substantially linear array the photodetectors having a one-to-one and optically positive correspondence with the scanned picture elements, e.g. linear contact sensors

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Facsimile Scanning Arrangements (AREA)
FR9400031A 1994-01-04 1994-01-04 Anti-fouling device for a light transmission screen between an information medium lit by a light source and reading elements. Expired - Fee Related FR2714751B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9400031A FR2714751B1 (en) 1994-01-04 1994-01-04 Anti-fouling device for a light transmission screen between an information medium lit by a light source and reading elements.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9400031A FR2714751B1 (en) 1994-01-04 1994-01-04 Anti-fouling device for a light transmission screen between an information medium lit by a light source and reading elements.

Publications (2)

Publication Number Publication Date
FR2714751A1 FR2714751A1 (en) 1995-07-07
FR2714751B1 true FR2714751B1 (en) 1996-03-29

Family

ID=9458774

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9400031A Expired - Fee Related FR2714751B1 (en) 1994-01-04 1994-01-04 Anti-fouling device for a light transmission screen between an information medium lit by a light source and reading elements.

Country Status (1)

Country Link
FR (1) FR2714751B1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6166832A (en) * 1995-12-26 2000-12-26 Rohm Co., Ltd. Contact-type image sensor
US5936238A (en) * 1997-10-29 1999-08-10 Hewlett-Packard Company Portable optical scanning device with a recessed optical window
US6426498B1 (en) * 2000-04-03 2002-07-30 Hewlett-Packard Co. Optics module for optical scanning device

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56132058A (en) * 1980-03-21 1981-10-16 Hitachi Ltd Photosensor array device
JPS58105668A (en) * 1981-12-18 1983-06-23 Fujitsu Ltd Line sensor
JPS59181772A (en) * 1983-03-30 1984-10-16 Canon Inc Optical system for reading
DE3524811A1 (en) * 1984-07-14 1986-01-23 Canon K.K., Tokio/Tokyo Image-scanning device
US4959533A (en) * 1987-10-21 1990-09-25 Semiconductor Energy Laboratory Co., Ltd. Photosensitive semiconductor contact image sensor
JP3096171B2 (en) * 1991-09-30 2000-10-10 ローム株式会社 Image sensor and electronic device incorporating the same

Also Published As

Publication number Publication date
FR2714751A1 (en) 1995-07-07

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Legal Events

Date Code Title Description
ST Notification of lapse