JPS5249851A - Optical device - Google Patents

Optical device

Info

Publication number
JPS5249851A
JPS5249851A JP50125755A JP12575575A JPS5249851A JP S5249851 A JPS5249851 A JP S5249851A JP 50125755 A JP50125755 A JP 50125755A JP 12575575 A JP12575575 A JP 12575575A JP S5249851 A JPS5249851 A JP S5249851A
Authority
JP
Japan
Prior art keywords
optical device
light
relected
lader
polarizing
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.)
Pending
Application number
JP50125755A
Other languages
Japanese (ja)
Inventor
Keiji Kataoka
Susumu Sawano
Yoshinori Miyamura
Kiichi Kamiyanagi
Susumu Saito
Akira Hashimoto
Masato Komoto
Akira Arimoto
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP50125755A priority Critical patent/JPS5249851A/en
Publication of JPS5249851A publication Critical patent/JPS5249851A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/08—Mirrors
    • G02B5/09—Multifaceted or polygonal mirrors, e.g. polygonal scanning mirrors; Fresnel mirrors

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Laser Beam Printer (AREA)
  • Mechanical Optical Scanning Systems (AREA)
  • Exposure Or Original Feeding In Electrophotography (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Dot-Matrix Printers And Others (AREA)

Abstract

PURPOSE:To obtain lader record of good quality having less distortion by providing the reflecting surface of a rotating polyhedral mirror for polarizing a flux of light, from which laser light is relected, with a concave surface different from a plane surface.
JP50125755A 1975-10-18 1975-10-18 Optical device Pending JPS5249851A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50125755A JPS5249851A (en) 1975-10-18 1975-10-18 Optical device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50125755A JPS5249851A (en) 1975-10-18 1975-10-18 Optical device

Publications (1)

Publication Number Publication Date
JPS5249851A true JPS5249851A (en) 1977-04-21

Family

ID=14918000

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50125755A Pending JPS5249851A (en) 1975-10-18 1975-10-18 Optical device

Country Status (1)

Country Link
JP (1) JPS5249851A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59160122A (en) * 1983-03-04 1984-09-10 Canon Inc Rotary polyhedral mirror
JPS61173211A (en) * 1985-01-28 1986-08-04 Tokyo Electric Co Ltd Polygon mirror for beam scanning
US5532866A (en) * 1993-04-08 1996-07-02 Minolta Camera Kabushiki Kaisha Polygonal mirror and manufacturing method thereof and light beam scanning optical apparatus using the polygonal mirror

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59160122A (en) * 1983-03-04 1984-09-10 Canon Inc Rotary polyhedral mirror
JPH0664252B2 (en) * 1983-03-04 1994-08-22 キヤノン株式会社 Rotating polygon mirror
JPS61173211A (en) * 1985-01-28 1986-08-04 Tokyo Electric Co Ltd Polygon mirror for beam scanning
US5532866A (en) * 1993-04-08 1996-07-02 Minolta Camera Kabushiki Kaisha Polygonal mirror and manufacturing method thereof and light beam scanning optical apparatus using the polygonal mirror

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