JPS5249850A - Optical device - Google Patents

Optical device

Info

Publication number
JPS5249850A
JPS5249850A JP50125754A JP12575475A JPS5249850A JP S5249850 A JPS5249850 A JP S5249850A JP 50125754 A JP50125754 A JP 50125754A JP 12575475 A JP12575475 A JP 12575475A JP S5249850 A JPS5249850 A JP S5249850A
Authority
JP
Japan
Prior art keywords
reflecting mirror
optical device
distored
menas
parabola
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
JP50125754A
Other languages
Japanese (ja)
Inventor
Susumu Sawano
Keiji Kataoka
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 JP50125754A priority Critical patent/JPS5249850A/en
Publication of JPS5249850A publication Critical patent/JPS5249850A/en
Pending legal-status Critical Current

Links

Landscapes

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

Abstract

PURPOSE:To obtain laser of good quality having less distortion and irregularity in light scanning by making the sectional shape of a reflecting mirror equal substantially to a parabola nad interposing a substantially flat or a slightly distored plane mirror between the reflecting mirror and the light receiving menas.
JP50125754A 1975-10-18 1975-10-18 Optical device Pending JPS5249850A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50125754A JPS5249850A (en) 1975-10-18 1975-10-18 Optical device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50125754A JPS5249850A (en) 1975-10-18 1975-10-18 Optical device

Publications (1)

Publication Number Publication Date
JPS5249850A true JPS5249850A (en) 1977-04-21

Family

ID=14917973

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50125754A Pending JPS5249850A (en) 1975-10-18 1975-10-18 Optical device

Country Status (1)

Country Link
JP (1) JPS5249850A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02289816A (en) * 1989-02-02 1990-11-29 Ricoh Co Ltd Laser beam scanning device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02289816A (en) * 1989-02-02 1990-11-29 Ricoh Co Ltd Laser beam scanning device

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