JPS56146359A - Deflecting device of laser scan - Google Patents

Deflecting device of laser scan

Info

Publication number
JPS56146359A
JPS56146359A JP5060280A JP5060280A JPS56146359A JP S56146359 A JPS56146359 A JP S56146359A JP 5060280 A JP5060280 A JP 5060280A JP 5060280 A JP5060280 A JP 5060280A JP S56146359 A JPS56146359 A JP S56146359A
Authority
JP
Japan
Prior art keywords
laser
picture
output
mirror
reflected
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
JP5060280A
Other languages
Japanese (ja)
Other versions
JPH0132700B2 (en
Inventor
Yukio Sakai
Isao Sato
Fumio Yamazaki
Michinori Nagahiro
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP5060280A priority Critical patent/JPS56146359A/en
Publication of JPS56146359A publication Critical patent/JPS56146359A/en
Publication of JPH0132700B2 publication Critical patent/JPH0132700B2/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
    • H04N1/04—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa
    • H04N1/047—Detection, control or error compensation of scanning velocity or position
    • H04N1/053—Detection, control or error compensation of scanning velocity or position in main scanning direction, e.g. synchronisation of line start or picture elements in a line

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Facsimile Scanning Arrangements (AREA)

Abstract

PURPOSE:To realize a big reduction of cost with use of an ordinary condenser lens, by compensating the speed distortion of a picture which is produced by a polarizing mirror used in a laser printer, etc. by means of one of the two beams of a semiconductor laser. CONSTITUTION:One of the 2-beam semiconductor laser 1 is used for recording a picture (shown by a dotted line), and the other one (solid line) is used for the synchronous signal. These outputs are polarized by the galvano-mirror 3 driven by the sine wave via the collimator lens 2. The recording beam forms an image on the photoreceptor 5 via the converging lens 4, and the synchronous signal beam is reflected and separated by the reflecting mirror 6. This separated beam is slectively reflected by the light shieldig stripe reflector plate 7 and detected by the laser photodetector 8 in the form of pulse output S which is proportional to the polarizing speed of the beam. The output S is then converted into the voltage by FVC9, and the modulated clock signal is controlled by VCO10. Thus the distortion of picture is compensated. At the same time, the output is controlled by the laser modulating circuit 11 to give a compensation to the volume of exposure.
JP5060280A 1980-04-16 1980-04-16 Deflecting device of laser scan Granted JPS56146359A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5060280A JPS56146359A (en) 1980-04-16 1980-04-16 Deflecting device of laser scan

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5060280A JPS56146359A (en) 1980-04-16 1980-04-16 Deflecting device of laser scan

Publications (2)

Publication Number Publication Date
JPS56146359A true JPS56146359A (en) 1981-11-13
JPH0132700B2 JPH0132700B2 (en) 1989-07-10

Family

ID=12863507

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5060280A Granted JPS56146359A (en) 1980-04-16 1980-04-16 Deflecting device of laser scan

Country Status (1)

Country Link
JP (1) JPS56146359A (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0050010A2 (en) * 1980-10-09 1982-04-21 Fuji Photo Film Co., Ltd. Method of and system for laser beam recording
JPS5986364A (en) * 1982-11-08 1984-05-18 Fujitsu Ltd Optical scanning control system
JPS60120658A (en) * 1983-12-03 1985-06-28 Matsushita Electric Ind Co Ltd Picture magnification varying method of semiconductor laser
JPS6166467A (en) * 1984-09-10 1986-04-05 Matsushita Electric Ind Co Ltd Variable magnification laser printer
JPS6166466A (en) * 1984-09-10 1986-04-05 Matsushita Electric Ind Co Ltd Variable magnification laser printer
JPS6166465A (en) * 1984-09-10 1986-04-05 Matsushita Electric Ind Co Ltd Variable magnification laser printer
JPS63314965A (en) * 1987-06-18 1988-12-22 Fuji Photo Film Co Ltd Light beam scanning/recording device
WO1991019373A1 (en) * 1990-05-29 1991-12-12 S & R Tech Development, Inc. Scanner with non-linearity compensating pixel clock

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9254083B2 (en) 2013-12-06 2016-02-09 Canon Kabushiki Kaisha Light source modulation for a scanning microscope

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0050010A2 (en) * 1980-10-09 1982-04-21 Fuji Photo Film Co., Ltd. Method of and system for laser beam recording
JPS5986364A (en) * 1982-11-08 1984-05-18 Fujitsu Ltd Optical scanning control system
JPS60120658A (en) * 1983-12-03 1985-06-28 Matsushita Electric Ind Co Ltd Picture magnification varying method of semiconductor laser
JPS6166467A (en) * 1984-09-10 1986-04-05 Matsushita Electric Ind Co Ltd Variable magnification laser printer
JPS6166466A (en) * 1984-09-10 1986-04-05 Matsushita Electric Ind Co Ltd Variable magnification laser printer
JPS6166465A (en) * 1984-09-10 1986-04-05 Matsushita Electric Ind Co Ltd Variable magnification laser printer
JPS63314965A (en) * 1987-06-18 1988-12-22 Fuji Photo Film Co Ltd Light beam scanning/recording device
WO1991019373A1 (en) * 1990-05-29 1991-12-12 S & R Tech Development, Inc. Scanner with non-linearity compensating pixel clock

Also Published As

Publication number Publication date
JPH0132700B2 (en) 1989-07-10

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