JPS56141662A - Light beam scanner - Google Patents

Light beam scanner

Info

Publication number
JPS56141662A
JPS56141662A JP4425680A JP4425680A JPS56141662A JP S56141662 A JPS56141662 A JP S56141662A JP 4425680 A JP4425680 A JP 4425680A JP 4425680 A JP4425680 A JP 4425680A JP S56141662 A JPS56141662 A JP S56141662A
Authority
JP
Japan
Prior art keywords
lens
mirror
shape
modulated
aperture
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
JP4425680A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6361824B2 (enrdf_load_stackoverflow
Inventor
Yutaka Kaneko
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.)
Ricoh Co Ltd
Original Assignee
Ricoh 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 Ricoh Co Ltd filed Critical Ricoh Co Ltd
Priority to JP4425680A priority Critical patent/JPS56141662A/ja
Publication of JPS56141662A publication Critical patent/JPS56141662A/ja
Publication of JPS6361824B2 publication Critical patent/JPS6361824B2/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
    • H04N1/032—Details of scanning heads ; Means for illuminating the original for picture information reproduction
    • H04N1/036—Details of scanning heads ; Means for illuminating the original for picture information reproduction for optical reproduction

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Facsimile Scanning Arrangements (AREA)
JP4425680A 1980-04-04 1980-04-04 Light beam scanner Granted JPS56141662A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4425680A JPS56141662A (en) 1980-04-04 1980-04-04 Light beam scanner

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4425680A JPS56141662A (en) 1980-04-04 1980-04-04 Light beam scanner

Publications (2)

Publication Number Publication Date
JPS56141662A true JPS56141662A (en) 1981-11-05
JPS6361824B2 JPS6361824B2 (enrdf_load_stackoverflow) 1988-11-30

Family

ID=12686435

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4425680A Granted JPS56141662A (en) 1980-04-04 1980-04-04 Light beam scanner

Country Status (1)

Country Link
JP (1) JPS56141662A (enrdf_load_stackoverflow)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60142667A (ja) * 1983-12-29 1985-07-27 Copal Denshi Kk ビ−ム・プリンタ
US5652611A (en) * 1993-03-11 1997-07-29 Matsushita Electric Industrial Co., Ltd. Optical scanning system and image forming apparatus employing same for electrophoto graphically forming images
CN111917932A (zh) * 2019-05-10 2020-11-10 夏普株式会社 光扫描装置及具有该光扫描装置的图像形成装置

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6635725B2 (ja) * 2015-09-08 2020-01-29 シャープ株式会社 投影装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52119331A (en) * 1976-03-31 1977-10-06 Canon Inc Laser recording device
JPS5391759A (en) * 1976-12-27 1978-08-11 Mansei Kogyo Kk Optics to obtain equal direction spot from various direction light beam
JPS54143661A (en) * 1978-04-28 1979-11-09 Canon Inc Recording optical system

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52119331A (en) * 1976-03-31 1977-10-06 Canon Inc Laser recording device
JPS5391759A (en) * 1976-12-27 1978-08-11 Mansei Kogyo Kk Optics to obtain equal direction spot from various direction light beam
JPS54143661A (en) * 1978-04-28 1979-11-09 Canon Inc Recording optical system

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60142667A (ja) * 1983-12-29 1985-07-27 Copal Denshi Kk ビ−ム・プリンタ
US5652611A (en) * 1993-03-11 1997-07-29 Matsushita Electric Industrial Co., Ltd. Optical scanning system and image forming apparatus employing same for electrophoto graphically forming images
CN111917932A (zh) * 2019-05-10 2020-11-10 夏普株式会社 光扫描装置及具有该光扫描装置的图像形成装置
CN111917932B (zh) * 2019-05-10 2022-08-30 夏普株式会社 光扫描装置及具有该光扫描装置的图像形成装置

Also Published As

Publication number Publication date
JPS6361824B2 (enrdf_load_stackoverflow) 1988-11-30

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