CA2220142A1 - Film image digitizer using optical fiber-coupled laser diode - Google Patents

Film image digitizer using optical fiber-coupled laser diode Download PDF

Info

Publication number
CA2220142A1
CA2220142A1 CA002220142A CA2220142A CA2220142A1 CA 2220142 A1 CA2220142 A1 CA 2220142A1 CA 002220142 A CA002220142 A CA 002220142A CA 2220142 A CA2220142 A CA 2220142A CA 2220142 A1 CA2220142 A1 CA 2220142A1
Authority
CA
Canada
Prior art keywords
laser beam
film
sheet
optical fiber
laser
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.)
Abandoned
Application number
CA002220142A
Other languages
English (en)
French (fr)
Inventor
Yun Zhong Li
Richard R. Lemberger
Paul C. Schubert
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.)
3M Co
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2220142A1 publication Critical patent/CA2220142A1/en
Abandoned 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
    • 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
    • H04N1/02815—Means for illuminating the original, not specific to a particular type of pick-up head
    • H04N1/0282—Using a single or a few point light sources, e.g. a laser diode
    • H04N1/0283—Using a single or a few point light sources, e.g. a laser diode in combination with a light deflecting element, e.g. a rotating mirror
    • 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
    • H04N1/02815—Means for illuminating the original, not specific to a particular type of pick-up head
    • 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
    • H04N1/02815—Means for illuminating the original, not specific to a particular type of pick-up head
    • H04N1/0282—Using a single or a few point light sources, e.g. a laser diode
    • H04N1/02835—Using a single or a few point light sources, e.g. a laser diode in combination with a light guide, e.g. optical fibre, glass plate

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Optical Couplings Of Light Guides (AREA)
  • Mechanical Optical Scanning Systems (AREA)
  • Eye Examination Apparatus (AREA)
CA002220142A 1995-06-02 1996-04-17 Film image digitizer using optical fiber-coupled laser diode Abandoned CA2220142A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US45843195A 1995-06-02 1995-06-02
US08/458,431 1995-06-02

Publications (1)

Publication Number Publication Date
CA2220142A1 true CA2220142A1 (en) 1996-12-05

Family

ID=23820759

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002220142A Abandoned CA2220142A1 (en) 1995-06-02 1996-04-17 Film image digitizer using optical fiber-coupled laser diode

Country Status (6)

Country Link
JP (1) JPH11506582A (ko)
KR (1) KR19990022165A (ko)
CN (1) CN1185882A (ko)
AU (1) AU5551896A (ko)
CA (1) CA2220142A1 (ko)
WO (1) WO1996038974A1 (ko)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6627873B2 (ja) 2015-06-15 2020-01-08 日本電気株式会社 プラガブル光モジュール及び光通信システム
CN107680063B (zh) * 2017-10-23 2021-03-12 西华大学 一种直接数字化图像的增强方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3932032A (en) * 1974-04-03 1976-01-13 Weinstein Stephen B Motion picture sound synchronization
JPS6054571A (ja) * 1983-09-05 1985-03-29 Fuji Photo Film Co Ltd 画像走査読取装置
US5053619A (en) * 1988-08-12 1991-10-01 Hitachi, Ltd. Variable density scanning apparatus
US5023845A (en) * 1988-10-31 1991-06-11 The United States Of America As Represented By The Secretary Of The Navy Embedded fiber optic beam displacement sensor
DE4124743A1 (de) * 1990-07-25 1992-01-30 Konishiroku Photo Ind Digitale strahlungsbildsignalverarbeitungsvorrichtung
US5138675A (en) * 1991-06-12 1992-08-11 Digital Equipment Corporation Mode scrambler as an optical isolator for higher-coherence lasers in multi-mode fiber plants
JPH0789131A (ja) * 1993-09-24 1995-04-04 Hitachi Ltd 光走査装置

Also Published As

Publication number Publication date
KR19990022165A (ko) 1999-03-25
WO1996038974A1 (en) 1996-12-05
AU5551896A (en) 1996-12-18
JPH11506582A (ja) 1999-06-08
CN1185882A (zh) 1998-06-24
MX9709241A (es) 1998-03-31

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Legal Events

Date Code Title Description
FZDE Dead