DK211781A - Belysningsorgan til brug ved elektrografisk reproduktion - Google Patents

Belysningsorgan til brug ved elektrografisk reproduktion

Info

Publication number
DK211781A
DK211781A DK211781A DK211781A DK211781A DK 211781 A DK211781 A DK 211781A DK 211781 A DK211781 A DK 211781A DK 211781 A DK211781 A DK 211781A DK 211781 A DK211781 A DK 211781A
Authority
DK
Denmark
Prior art keywords
light
reflected light
reflected
direct
mirror
Prior art date
Application number
DK211781A
Other languages
English (en)
Other versions
DK164307C (da
DK164307B (da
Inventor
J A Peterson
Original Assignee
Minnesota Mining & Mfg
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 Minnesota Mining & Mfg filed Critical Minnesota Mining & Mfg
Publication of DK211781A publication Critical patent/DK211781A/da
Publication of DK164307B publication Critical patent/DK164307B/da
Application granted granted Critical
Publication of DK164307C publication Critical patent/DK164307C/da

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
    • H04N1/02815—Means for illuminating the original, not specific to a particular type of pick-up head
    • H04N1/02845—Means for illuminating the original, not specific to a particular type of pick-up head using an elongated light source, e.g. tubular lamp, LED array
    • H04N1/0285—Means for illuminating the original, not specific to a particular type of pick-up head using an elongated light source, e.g. tubular lamp, LED array in combination with at least one reflector which is in fixed relation to the light source
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B27/00—Photographic printing apparatus
    • G03B27/32—Projection printing apparatus, e.g. enlarger, copying camera
    • G03B27/52—Details
    • G03B27/54—Lamp housings; Illuminating means
    • G03B27/542—Lamp housings; Illuminating means for copying cameras, reflex exposure lighting
    • 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
    • H04N1/02845—Means for illuminating the original, not specific to a particular type of pick-up head using an elongated light source, e.g. tubular lamp, LED array
    • H04N1/0287—Means for illuminating the original, not specific to a particular type of pick-up head using an elongated light source, e.g. tubular lamp, LED array using a tubular lamp or a combination of such lamps
    • 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
    • H04N1/02895—Additional elements in the illumination means or cooperating with the illumination means, e.g. filters

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Light Sources And Details Of Projection-Printing Devices (AREA)
  • Lenses (AREA)
DK211781A 1979-09-17 1981-05-13 Lyskilde til fotokopieringsmaskine DK164307C (da)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US06/076,297 US4239383A (en) 1979-09-17 1979-09-17 Illumination means for electrographic reproduction
US7629779 1979-09-17
US8000942 1980-07-23
PCT/US1980/000942 WO1981000771A1 (en) 1979-09-17 1980-07-23 Illumination means for electrographic reproduction

Publications (3)

Publication Number Publication Date
DK211781A true DK211781A (da) 1981-05-13
DK164307B DK164307B (da) 1992-06-01
DK164307C DK164307C (da) 1992-10-19

Family

ID=22131098

Family Applications (1)

Application Number Title Priority Date Filing Date
DK211781A DK164307C (da) 1979-09-17 1981-05-13 Lyskilde til fotokopieringsmaskine

Country Status (6)

Country Link
US (1) US4239383A (da)
EP (1) EP0036008B1 (da)
CA (1) CA1137947A (da)
DE (1) DE3066172D1 (da)
DK (1) DK164307C (da)
WO (1) WO1981000771A1 (da)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4300831A (en) * 1979-03-16 1981-11-17 Ricoh Company, Ltd. Slit exposure type illumination apparatus
JPS57161764A (en) * 1981-03-30 1982-10-05 Fuji Xerox Co Ltd Original lighting device of copying machine or the like
US4422100A (en) * 1982-03-08 1983-12-20 The Mead Corporation Document scanning apparatus
US4433346A (en) * 1982-03-31 1984-02-21 Xerox Corporation Raster input scanner
JPS59100430A (ja) * 1982-11-30 1984-06-09 Minolta Camera Co Ltd 複写機の原稿照明用反射鏡
JPS61179550U (da) * 1985-04-26 1986-11-08
JPS62102238A (ja) * 1985-10-29 1987-05-12 Mita Ind Co Ltd 画像形成装置の原稿照明装置
US4809043A (en) * 1986-04-30 1989-02-28 Mita Industrial Co., Ltd. Document scanning optical device
JPS6355535A (ja) * 1986-08-26 1988-03-10 Minolta Camera Co Ltd 原稿露光装置
US4866478A (en) * 1987-02-28 1989-09-12 Ricoh Company, Ltd. Illuminating device for a color copier
US4803517A (en) * 1987-08-05 1989-02-07 Eastman Kodak Company Multi-mode electrophotographic reproduction apparatus
JPH03267930A (ja) * 1990-03-19 1991-11-28 Minolta Camera Co Ltd 複写機等におけるスリット照明装置
JPH06311307A (ja) * 1993-04-22 1994-11-04 Minolta Camera Co Ltd 画像形成装置
JP3256409B2 (ja) * 1995-04-28 2002-02-12 キヤノン株式会社 原稿照明装置
JP3912945B2 (ja) * 1999-11-19 2007-05-09 日本板硝子株式会社 棒状導光体およびそれを組込んだ照明装置、原稿読取装置
TW503646B (en) * 2000-03-16 2002-09-21 Nippon Sheet Glass Co Ltd Line illuminating device
EP1511289B1 (en) * 2003-08-19 2011-11-23 Ricoh Company, Ltd. Lighting device, image reading apparatus , and image forming apparatus

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3302519A (en) * 1965-01-07 1967-02-07 Rca Corp Optical illuminating system
US3532424A (en) * 1967-11-16 1970-10-06 Addressograph Multigraph Elliptical reflector for photocopying machine
JPS5423308Y2 (da) * 1973-08-09 1979-08-10
JPS5422349Y2 (da) * 1974-02-07 1979-08-04
JPS5123724A (en) * 1974-08-06 1976-02-25 Ricoh Kk Fukushakitoniokeru suritsutoshomeisochi
US4092066A (en) * 1976-08-19 1978-05-30 Minolta Camera Kabushiki Kaisha Projection device for use in copying machine
JPS54133348A (en) * 1978-04-07 1979-10-17 Canon Inc Slit lighting device

Also Published As

Publication number Publication date
DK164307C (da) 1992-10-19
WO1981000771A1 (en) 1981-03-19
US4239383A (en) 1980-12-16
EP0036008B1 (en) 1984-01-18
CA1137947A (en) 1982-12-21
EP0036008A4 (en) 1982-01-26
DE3066172D1 (en) 1984-02-23
EP0036008A1 (en) 1981-09-23
DK164307B (da) 1992-06-01

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Legal Events

Date Code Title Description
PBP Patent lapsed