JPS6440919A - Optical scanning and recording device - Google Patents

Optical scanning and recording device

Info

Publication number
JPS6440919A
JPS6440919A JP62197732A JP19773287A JPS6440919A JP S6440919 A JPS6440919 A JP S6440919A JP 62197732 A JP62197732 A JP 62197732A JP 19773287 A JP19773287 A JP 19773287A JP S6440919 A JPS6440919 A JP S6440919A
Authority
JP
Japan
Prior art keywords
pulse width
main scanning
scanning speed
clock signal
line clock
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
JP62197732A
Other languages
Japanese (ja)
Inventor
Yuji Ohara
Hideo Watanabe
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.)
Fujifilm Holdings Corp
Original Assignee
Fuji Photo Film 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 Fuji Photo Film Co Ltd filed Critical Fuji Photo Film Co Ltd
Priority to JP62197732A priority Critical patent/JPS6440919A/en
Publication of JPS6440919A publication Critical patent/JPS6440919A/en
Pending legal-status Critical Current

Links

Landscapes

  • Laser Beam Printer (AREA)
  • Mechanical Optical Scanning Systems (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Fax Reproducing Arrangements (AREA)

Abstract

PURPOSE:To prevent a recording image from having an improper longitudinal- lateral ratio by providing a means which measures the pulse width of a line clock signal. CONSTITUTION:The means 30 is provided which measures the pulse width of the line clock signal S4. The pulse width of the line clock signal is in inverse proportion to a main scanning speed, so the main scanning speed is found from the pulse width. A signal indicating the main scanning speed which is thus found is fed back to, for example, an optical deflector driving control means 32 to control the main scanning speed constant. Consequently, an image which has an improper longitudinal-lateral ratio is prevented from being recorded.
JP62197732A 1987-08-07 1987-08-07 Optical scanning and recording device Pending JPS6440919A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62197732A JPS6440919A (en) 1987-08-07 1987-08-07 Optical scanning and recording device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62197732A JPS6440919A (en) 1987-08-07 1987-08-07 Optical scanning and recording device

Publications (1)

Publication Number Publication Date
JPS6440919A true JPS6440919A (en) 1989-02-13

Family

ID=16379420

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62197732A Pending JPS6440919A (en) 1987-08-07 1987-08-07 Optical scanning and recording device

Country Status (1)

Country Link
JP (1) JPS6440919A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03211224A (en) * 1990-01-12 1991-09-17 Fuji Electric Co Ltd Heating operation of billet heater

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03211224A (en) * 1990-01-12 1991-09-17 Fuji Electric Co Ltd Heating operation of billet heater

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