JPS56165155A - Image recording device - Google Patents
Image recording deviceInfo
- Publication number
- JPS56165155A JPS56165155A JP6986480A JP6986480A JPS56165155A JP S56165155 A JPS56165155 A JP S56165155A JP 6986480 A JP6986480 A JP 6986480A JP 6986480 A JP6986480 A JP 6986480A JP S56165155 A JPS56165155 A JP S56165155A
- Authority
- JP
- Japan
- Prior art keywords
- laser
- photoreceptor
- wavelength
- beams
- output
- 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
Links
Landscapes
- Dot-Matrix Printers And Others (AREA)
- Laser Beam Printer (AREA)
- Exposure Or Original Feeding In Electrophotography (AREA)
- Combination Of More Than One Step In Electrophotography (AREA)
- Control Or Security For Electrophotography (AREA)
- Facsimile Scanning Arrangements (AREA)
Abstract
PURPOSE: To compensate change of sensitivity of a photoreceptor due to the shift of output wavelength of a laser element caused by heat, by detecting the output intensity of laser beams of a semiconductor laser beam printer, and controlling a current for driving the laser in accordance with the temperature of the laser and beam output intensity.
CONSTITUTION: The front beams L1 of a semiconductor laser 201 are made incident to a photoreceptor and its rear beams are made incident to a photodetector 205. A thermistor 203 is connected to the photodetector circuit 205 is parallel to a resistor 206. This thermistor shifts wavelength when the laser 201 rises in temperature. The laser output compensates sensitivity change of the photoreceptor by calculating in accordance with this wavelength shift and controlling a laser driving circuit.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6986480A JPS56165155A (en) | 1980-05-26 | 1980-05-26 | Image recording device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6986480A JPS56165155A (en) | 1980-05-26 | 1980-05-26 | Image recording device |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS56165155A true JPS56165155A (en) | 1981-12-18 |
Family
ID=13415085
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP6986480A Pending JPS56165155A (en) | 1980-05-26 | 1980-05-26 | Image recording device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS56165155A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61121569A (en) * | 1984-11-16 | 1986-06-09 | Canon Inc | Laser beam printer |
JPS626213A (en) * | 1985-06-20 | 1987-01-13 | Fujitsu Ltd | Confirming method for scanning light of photoscanner |
-
1980
- 1980-05-26 JP JP6986480A patent/JPS56165155A/en active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61121569A (en) * | 1984-11-16 | 1986-06-09 | Canon Inc | Laser beam printer |
JPS626213A (en) * | 1985-06-20 | 1987-01-13 | Fujitsu Ltd | Confirming method for scanning light of photoscanner |
JPH0427525B2 (en) * | 1985-06-20 | 1992-05-12 | Fujitsu Ltd |
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