JPH066525Y2 - 半導体レ−ザ駆動装置の緊急リセツト回路 - Google Patents
半導体レ−ザ駆動装置の緊急リセツト回路Info
- Publication number
- JPH066525Y2 JPH066525Y2 JP1986003890U JP389086U JPH066525Y2 JP H066525 Y2 JPH066525 Y2 JP H066525Y2 JP 1986003890 U JP1986003890 U JP 1986003890U JP 389086 U JP389086 U JP 389086U JP H066525 Y2 JPH066525 Y2 JP H066525Y2
- Authority
- JP
- Japan
- Prior art keywords
- semiconductor laser
- converter
- drive current
- circuit
- latch circuit
- 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.)
- Expired - Lifetime
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/06—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K15/00—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers
- G06K15/02—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers using printers
- G06K15/12—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers using printers by photographic printing, e.g. by laser printers
- G06K15/1204—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers using printers by photographic printing, e.g. by laser printers involving the fast moving of an optical beam in the main scanning direction
- G06K15/1209—Intensity control of the optical beam
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K15/00—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers
- G06K15/02—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers using printers
- G06K15/12—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers using printers by photographic printing, e.g. by laser printers
- G06K15/1204—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers using printers by photographic printing, e.g. by laser printers involving the fast moving of an optical beam in the main scanning direction
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Optics & Photonics (AREA)
- General Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Electromagnetism (AREA)
- Semiconductor Lasers (AREA)
- Facsimile Scanning Arrangements (AREA)
- Control Of Non-Electrical Variables (AREA)
- Dot-Matrix Printers And Others (AREA)
- Laser Beam Printer (AREA)
- Exposure Or Original Feeding In Electrophotography (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1986003890U JPH066525Y2 (ja) | 1986-01-13 | 1986-01-13 | 半導体レ−ザ駆動装置の緊急リセツト回路 |
KR1019860011200A KR950013907B1 (ko) | 1986-01-13 | 1986-12-24 | 반도체레이저 구동장치의 긴급리셋회로 |
US07/000,467 US4761661A (en) | 1986-01-13 | 1987-01-05 | Emergency resetting circuit for a semiconductor laser of a laser beam printer |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1986003890U JPH066525Y2 (ja) | 1986-01-13 | 1986-01-13 | 半導体レ−ザ駆動装置の緊急リセツト回路 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS62116260U JPS62116260U (US20030157376A1-20030821-M00001.png) | 1987-07-23 |
JPH066525Y2 true JPH066525Y2 (ja) | 1994-02-16 |
Family
ID=11569777
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1986003890U Expired - Lifetime JPH066525Y2 (ja) | 1986-01-13 | 1986-01-13 | 半導体レ−ザ駆動装置の緊急リセツト回路 |
Country Status (3)
Country | Link |
---|---|
US (1) | US4761661A (US20030157376A1-20030821-M00001.png) |
JP (1) | JPH066525Y2 (US20030157376A1-20030821-M00001.png) |
KR (1) | KR950013907B1 (US20030157376A1-20030821-M00001.png) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0771176B2 (ja) * | 1987-01-14 | 1995-07-31 | 富士写真フイルム株式会社 | レ−ザ記録装置 |
US5123023A (en) * | 1990-11-21 | 1992-06-16 | Polaroid Corporation | Laser driver with plural feedback loops |
US5276697A (en) * | 1992-11-04 | 1994-01-04 | Eastman Kodak Company | Laser diode automatic power control circuit with means of protection of the laser diode |
US6351786B2 (en) | 1998-08-24 | 2002-02-26 | Racal Instr Inc | VXI backplane system improvements and methods |
US6696887B2 (en) * | 2001-09-27 | 2004-02-24 | Matthew S. Taubman | Transistor-based interface circuitry |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60169182A (ja) * | 1984-02-10 | 1985-09-02 | Ricoh Co Ltd | 半導体レ−ザ保護方式 |
JPS60236946A (ja) * | 1984-05-09 | 1985-11-25 | Toshiba Corp | 記録装置 |
-
1986
- 1986-01-13 JP JP1986003890U patent/JPH066525Y2/ja not_active Expired - Lifetime
- 1986-12-24 KR KR1019860011200A patent/KR950013907B1/ko not_active IP Right Cessation
-
1987
- 1987-01-05 US US07/000,467 patent/US4761661A/en not_active Expired - Lifetime
Non-Patent Citations (1)
Title |
---|
石橋浩司,佐藤一郎「ディジタルカウンタの作り方・使い方」(昭52−9−30)オーム社P.20及びP.45−46 |
Also Published As
Publication number | Publication date |
---|---|
JPS62116260U (US20030157376A1-20030821-M00001.png) | 1987-07-23 |
US4761661A (en) | 1988-08-02 |
KR870007588A (ko) | 1987-08-20 |
KR950013907B1 (ko) | 1995-11-17 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US4879459A (en) | Automatic power controller for semiconductor laser | |
US4663760A (en) | Semiconductor laser output control device | |
US4796265A (en) | Imaging using collectively controlled multiple beams | |
EP0420573A2 (en) | Light quantity control device | |
EP0923174B1 (en) | Apparatus and method for compensating for temperature of laser diode | |
JPH066525Y2 (ja) | 半導体レ−ザ駆動装置の緊急リセツト回路 | |
US5491506A (en) | Light quantity setting value determination with improved reliability | |
US5159184A (en) | Apparatus for controlling the intensity of a laser beam emitted from a semiconductor laser unit | |
US5130524A (en) | Apparatus for controlling intensity of laser beam emitted from semiconductor laser unit | |
US5225850A (en) | Apparatus for controlling intensity of laser beam emitted from semiconductor laser unit | |
US6989520B2 (en) | Emission control apparatus with settable target intensity and image forming apparatus using same | |
JPS63250966A (ja) | 半導体レ−ザの光出力制御装置 | |
US5260955A (en) | Automatically setting a threshold current for a laser diode | |
US4856008A (en) | Semiconductor laser control apparatus | |
JP2929992B2 (ja) | 光送信回路 | |
JP2000190563A (ja) | マルチビ―ム半導体レ―ザアレイの駆動回路 | |
JP2003298179A (ja) | 発光素子駆動装置および画像形成装置 | |
JP2594115Y2 (ja) | レーザー出力安定化回路 | |
JPH0363073B2 (US20030157376A1-20030821-M00001.png) | ||
US4862466A (en) | Laser emitting apparatus with temperature intensity control | |
CN214313861U (zh) | 驱动电路、激光器和图像形成装置 | |
JP2596628Y2 (ja) | レーザー出力安定化回路 | |
JPS6065659A (ja) | 半導体レ−ザ光源装置 | |
JPH0548182A (ja) | レーザダイオード光出力制御装置 | |
JP3007306B2 (ja) | 情報記録装置 |