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JPS6476021A - Optical device for image forming device - Google Patents

Optical device for image forming device

Info

Publication number
JPS6476021A
JPS6476021A JP62232347A JP23234787A JPS6476021A JP S6476021 A JPS6476021 A JP S6476021A JP 62232347 A JP62232347 A JP 62232347A JP 23234787 A JP23234787 A JP 23234787A JP S6476021 A JPS6476021 A JP S6476021A
Authority
JP
Japan
Prior art keywords
collimator lens
spacing
light emission
supporting member
laser light
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
JP62232347A
Other languages
Japanese (ja)
Inventor
Takashi Shiraishi
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
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 Toshiba Corp filed Critical Toshiba Corp
Priority to JP62232347A priority Critical patent/JPS6476021A/en
Publication of JPS6476021A publication Critical patent/JPS6476021A/en
Pending legal-status Critical Current

Links

Landscapes

  • Facsimile Scanning Arrangements (AREA)
  • Fax Reproducing Arrangements (AREA)
  • Dot-Matrix Printers And Others (AREA)
  • Laser Beam Printer (AREA)
  • Lens Barrels (AREA)
  • Mechanical Optical Scanning Systems (AREA)

Abstract

PURPOSE:To remove the variation of a beam diameter and to improve an image quality by setting an adjusting means to adjust a spacing between a laser light emission device and a collimator lens according to a temperature change. CONSTITUTION:The adjusting device to adjust automatically the spacing between the laser light emission device 28 and the collimator lens 32 according to the temperature change is set. And the collimator lens 32 is not moved as it is, but the spacing between the supporting member to fix the collimator lens 32 and the supporting member to fix a semiconductor laser is moved smoothly by the supporting member which as an adequate length and an adequate line expansion factor. The deterioration of a condensing factor can be prevented and the image quality can be improved by adjusting the spacing between the laser light emission device 28 and the collimator lens 32 according to the change of focal length of the collimator lens 32 caused by a thermal expansion.
JP62232347A 1987-09-18 1987-09-18 Optical device for image forming device Pending JPS6476021A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62232347A JPS6476021A (en) 1987-09-18 1987-09-18 Optical device for image forming device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62232347A JPS6476021A (en) 1987-09-18 1987-09-18 Optical device for image forming device

Publications (1)

Publication Number Publication Date
JPS6476021A true JPS6476021A (en) 1989-03-22

Family

ID=16937783

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62232347A Pending JPS6476021A (en) 1987-09-18 1987-09-18 Optical device for image forming device

Country Status (1)

Country Link
JP (1) JPS6476021A (en)

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