JPS5483833A - Printer - Google Patents

Printer

Info

Publication number
JPS5483833A
JPS5483833A JP15054177A JP15054177A JPS5483833A JP S5483833 A JPS5483833 A JP S5483833A JP 15054177 A JP15054177 A JP 15054177A JP 15054177 A JP15054177 A JP 15054177A JP S5483833 A JPS5483833 A JP S5483833A
Authority
JP
Japan
Prior art keywords
scan
laser beam
vicinity
intensity
detector
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
JP15054177A
Other languages
Japanese (ja)
Inventor
Sadao Tsunoda
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 JP15054177A priority Critical patent/JPS5483833A/en
Publication of JPS5483833A publication Critical patent/JPS5483833A/en
Pending legal-status Critical Current

Links

Landscapes

  • Dot-Matrix Printers And Others (AREA)
  • Laser Beam Printer (AREA)
  • Exposure Or Original Feeding In Electrophotography (AREA)
  • Exposure Of Semiconductors, Excluding Electron Or Ion Beam Exposure (AREA)

Abstract

PURPOSE: To provide a printer, which can measure the intensity of a laser beam easily for each scan by arranging a laser beam detector on the scanning line outside of the effective area in the vicinity of a photosensitive drum.
CONSTITUTION: The laser beam having been optically modulated in response to recording signals is reflected by a rotary mirror 3 to scan a photosensitive drum along a generation line. If a laser beam detector 6 is arranged in the vicinity of the drum 2 at the opposite side of a position, where a scan initiating optical detector 4 for synchronism with the scan, and at the scan terminal point of the scanning line outside of the effective scanning region, the intensity of the laser beam can be easily detected for each scan. As a result, a recorder can be maintained, inspected and adjusted to a satisfactory extent.
COPYRIGHT: (C)1979,JPO&Japio
JP15054177A 1977-12-16 1977-12-16 Printer Pending JPS5483833A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15054177A JPS5483833A (en) 1977-12-16 1977-12-16 Printer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15054177A JPS5483833A (en) 1977-12-16 1977-12-16 Printer

Publications (1)

Publication Number Publication Date
JPS5483833A true JPS5483833A (en) 1979-07-04

Family

ID=15499113

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15054177A Pending JPS5483833A (en) 1977-12-16 1977-12-16 Printer

Country Status (1)

Country Link
JP (1) JPS5483833A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57124755A (en) * 1981-01-27 1982-08-03 Hitachi Koki Co Ltd Failure detector

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57124755A (en) * 1981-01-27 1982-08-03 Hitachi Koki Co Ltd Failure detector

Similar Documents

Publication Publication Date Title
JPS569763A (en) Beam recording device
EP0379226A3 (en) Ranging apparatus
DE58904369D1 (en) POSITION MEASURING DEVICE.
JPS5438130A (en) Scanner
JPS5577989A (en) Beam position detecting device in laser machine
JPS5483833A (en) Printer
GB1484148A (en) Apparatus for determining the transverse position of a surface defect in a sheet material moving longitudinally
JPS53149043A (en) Optical scanning for laser beam scanner
JPS5459166A (en) Visual sensibility measuring apparatus of interferometer
JPS5228335A (en) Optical unit
JPS5694526A (en) Monitor device of laser recording
JPS533832A (en) Optical system of read/write device using laser beam scan
JPS5337457A (en) Distance measuring device
JPS5639517A (en) Position detecting method in optical scanning
JPS5711572A (en) Beam recorder
JPS56603A (en) Position detecting unit
JPS53131848A (en) Surface defect detector of photoreceptor
JPS5691211A (en) Beam scanner
GB2009558A (en) Optical scanning apparatus
JPS5367452A (en) Laser beam detection system
JPS54103059A (en) Optically scanning reader
JPS57124755A (en) Failure detector
JPS5797267A (en) Optical scanning device
JPS5588010A (en) Focusing device in recorder
JPS53118145A (en) Detecting method of light beam position