JPS57141174A - Linear light source of light emitting diode - Google Patents

Linear light source of light emitting diode

Info

Publication number
JPS57141174A
JPS57141174A JP56027214A JP2721481A JPS57141174A JP S57141174 A JPS57141174 A JP S57141174A JP 56027214 A JP56027214 A JP 56027214A JP 2721481 A JP2721481 A JP 2721481A JP S57141174 A JPS57141174 A JP S57141174A
Authority
JP
Japan
Prior art keywords
light emitting
emitting diodes
reflective frame
lens
rod lens
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.)
Granted
Application number
JP56027214A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0340551B2 (enrdf_load_stackoverflow
Inventor
Kazumi Komiya
Hoichiro Kashiwara
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.)
Nippon Telegraph and Telephone Corp
Stanley Electric Co Ltd
Original Assignee
Nippon Telegraph and Telephone Corp
Stanley Electric 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 Nippon Telegraph and Telephone Corp, Stanley Electric Co Ltd filed Critical Nippon Telegraph and Telephone Corp
Priority to JP56027214A priority Critical patent/JPS57141174A/ja
Publication of JPS57141174A publication Critical patent/JPS57141174A/ja
Publication of JPH0340551B2 publication Critical patent/JPH0340551B2/ja
Granted 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
    • H04N1/02815—Means for illuminating the original, not specific to a particular type of pick-up head

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Image Input (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Exposure Or Original Feeding In Electrophotography (AREA)
  • Light Sources And Details Of Projection-Printing Devices (AREA)
JP56027214A 1981-02-26 1981-02-26 Linear light source of light emitting diode Granted JPS57141174A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56027214A JPS57141174A (en) 1981-02-26 1981-02-26 Linear light source of light emitting diode

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56027214A JPS57141174A (en) 1981-02-26 1981-02-26 Linear light source of light emitting diode

Publications (2)

Publication Number Publication Date
JPS57141174A true JPS57141174A (en) 1982-09-01
JPH0340551B2 JPH0340551B2 (enrdf_load_stackoverflow) 1991-06-19

Family

ID=12214846

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56027214A Granted JPS57141174A (en) 1981-02-26 1981-02-26 Linear light source of light emitting diode

Country Status (1)

Country Link
JP (1) JPS57141174A (enrdf_load_stackoverflow)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5972269A (ja) * 1982-10-18 1984-04-24 Alps Electric Co Ltd 発光ダイオ−ドおよびこれを用いた情報読取装置
JPS6083463A (ja) * 1983-10-13 1985-05-11 Nec Corp 原稿読み取り用光源
JPS6380402A (ja) * 1986-06-27 1988-04-11 株式会社小糸製作所 照明装置
JPS63314962A (ja) * 1987-06-18 1988-12-22 Fuji Photo Film Co Ltd 原稿照明装置
US5196950A (en) * 1988-08-04 1993-03-23 Ricoh Company, Ltd. Optical reader and light source used for the same
JP2011082969A (ja) * 2009-09-10 2011-04-21 Ricoh Co Ltd 照明装置、画像読取装置及び画像形成装置
US8646941B1 (en) 2010-06-14 2014-02-11 Humanscale Corporation Lighting apparatus and method

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5972269A (ja) * 1982-10-18 1984-04-24 Alps Electric Co Ltd 発光ダイオ−ドおよびこれを用いた情報読取装置
JPS6083463A (ja) * 1983-10-13 1985-05-11 Nec Corp 原稿読み取り用光源
JPS6380402A (ja) * 1986-06-27 1988-04-11 株式会社小糸製作所 照明装置
JPS63314962A (ja) * 1987-06-18 1988-12-22 Fuji Photo Film Co Ltd 原稿照明装置
US5196950A (en) * 1988-08-04 1993-03-23 Ricoh Company, Ltd. Optical reader and light source used for the same
JP2011082969A (ja) * 2009-09-10 2011-04-21 Ricoh Co Ltd 照明装置、画像読取装置及び画像形成装置
US8646941B1 (en) 2010-06-14 2014-02-11 Humanscale Corporation Lighting apparatus and method

Also Published As

Publication number Publication date
JPH0340551B2 (enrdf_load_stackoverflow) 1991-06-19

Similar Documents

Publication Publication Date Title
ITMI931654A1 (it) Sistema ottico per diodi emettitori di luce
DE69232411D1 (de) Lichtemittierende Diode mit baumartiger Oberflächenelektrode
JPS6480562A (en) Light emitting element array printer head
DE68918999D1 (de) Lichtquelle.
JP2002528861A (ja) Ｌｅｄモジュール及び照明器具
FR2676393B1 (fr) Imprimante a diodes emettrices de lumiere.
JPS57152273A (en) Electronic photograph type printer
EP0384849A3 (en) A semiconductor light emitting system
JPS57141174A (en) Linear light source of light emitting diode
JPS5768811A (en) Beam condensing device
EP0456131A3 (en) Photoelectric switch
JPS56156810A (en) Optical connector
JPS57177587A (en) Laser diode
JPS6474412A (en) Optical displacement detector
DE3863369D1 (de) Installationseinrichtung mit infrarotsender.
JPS57192973A (en) Picture recorder
JPS57111557A (en) Recording method using solid light emitting element
JPS533784A (en) Light emitting diode for optical fibers and its production
JPS5680181A (en) Semiconductor luminous device
JPS54136189A (en) Light emitting diode and reading device
JPS5784414A (en) Optical coupling method
JPS56120259A (en) Reader for equimultiple type video information
JPS57133799A (en) Electroacoustic transducer
JPS5779682A (en) Light emitting diode
JPS56156801A (en) Linear light source device