JPS56153333A - Laser recorder - Google Patents
Laser recorderInfo
- Publication number
- JPS56153333A JPS56153333A JP5726780A JP5726780A JPS56153333A JP S56153333 A JPS56153333 A JP S56153333A JP 5726780 A JP5726780 A JP 5726780A JP 5726780 A JP5726780 A JP 5726780A JP S56153333 A JPS56153333 A JP S56153333A
- Authority
- JP
- Japan
- Prior art keywords
- pulse
- laser
- modulation
- driven
- driving 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.)
- Granted
Links
- 239000004065 semiconductor Substances 0.000 abstract 2
- 230000003287 optical effect Effects 0.000 abstract 1
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
- H04N1/40—Picture signal circuits
- H04N1/405—Halftoning, i.e. converting the picture signal of a continuous-tone original into a corresponding signal showing only two levels
- H04N1/4055—Halftoning, i.e. converting the picture signal of a continuous-tone original into a corresponding signal showing only two levels producing a clustered dots or a size modulated halftone pattern
- H04N1/4056—Halftoning, i.e. converting the picture signal of a continuous-tone original into a corresponding signal showing only two levels producing a clustered dots or a size modulated halftone pattern the pattern varying in one dimension only, e.g. dash length, pulse width modulation [PWM]
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Fax Reproducing Arrangements (AREA)
- Facsimile Image Signal Circuits (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 |
---|---|---|---|
JP5726780A JPS56153333A (en) | 1980-04-30 | 1980-04-30 | Laser recorder |
US06/258,692 US4375065A (en) | 1980-04-30 | 1981-04-29 | Laser recorder |
DE19813117219 DE3117219A1 (de) | 1980-04-30 | 1981-04-30 | Laser-aufzeichnungsgeraet |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5726780A JPS56153333A (en) | 1980-04-30 | 1980-04-30 | Laser recorder |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS56153333A true JPS56153333A (en) | 1981-11-27 |
JPS6230549B2 JPS6230549B2 (ja) | 1987-07-02 |
Family
ID=13050748
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP5726780A Granted JPS56153333A (en) | 1980-04-30 | 1980-04-30 | Laser recorder |
Country Status (3)
Country | Link |
---|---|
US (1) | US4375065A (ja) |
JP (1) | JPS56153333A (ja) |
DE (1) | DE3117219A1 (ja) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63181248U (ja) * | 1987-05-18 | 1988-11-22 | ||
JPH0244955U (ja) * | 1988-09-13 | 1990-03-28 | ||
US5283658A (en) * | 1989-05-10 | 1994-02-01 | Canon Kabushiki Kaisha | Image forming apparatus with TTL to ECL conversion between reading and printing circuits |
JP3155538B2 (ja) * | 1989-05-30 | 2001-04-09 | 株式会社リコー | レーザの多階調書き込み装置 |
US5184226A (en) * | 1991-10-25 | 1993-02-02 | Xerox Corporation | Digital video pulse width and position modulator |
US5325383A (en) * | 1993-05-17 | 1994-06-28 | Eastman Kodak Company | Laser diode operated in hybrid modulation modes |
US5426452A (en) * | 1993-05-17 | 1995-06-20 | Eastman Kodak Company | Laser diode operated in amplitude modulation and pulse amplitude modes |
US5479175A (en) * | 1993-09-10 | 1995-12-26 | Xerox Corporation | Method and apparatus for enhancing discharged area developed regions in a tri-level pringing system |
US5581292A (en) * | 1993-09-10 | 1996-12-03 | Xerox Corporation | Method and apparatus for enhancing charged area developed regions in a tri-level printing system |
US5504462A (en) * | 1993-09-10 | 1996-04-02 | Xerox Corporation | Apparatus for enhancing pixel addressability in a pulse width and position modulated system |
US5485289A (en) * | 1993-10-28 | 1996-01-16 | Xerox Corporation | Hyperacuity printer architecture |
US5742325A (en) * | 1993-10-28 | 1998-04-21 | Xerox Corporation | Micro segmentation in a hyperacuity printer |
CA2128995C (en) * | 1993-12-10 | 1998-08-04 | Douglas N. Curry | Micro segmentation in a hyperacuity printer |
US6184916B1 (en) | 1999-01-19 | 2001-02-06 | Xerox Corporation | Multiple-pulse, pulse width and position modulation systems and methods |
KR100819043B1 (ko) | 2006-11-07 | 2008-04-02 | 한국전자통신연구원 | 레이저 디스플레이 광원으로 사용되는 특정 광원의 변조장치 및 그 변조 방법 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2017432A1 (de) * | 1970-04-11 | 1971-10-28 | Bosch Elektronik Gmbh | Verfahren zur elektrischen Übertragung von Bildvorlagen mit schwarzen, weißen und grauen Helligkeitswerten |
JPS5233523B1 (ja) * | 1971-02-18 | 1977-08-29 | ||
JPS4883723A (ja) * | 1972-02-08 | 1973-11-08 | ||
DE2827074A1 (de) * | 1977-06-21 | 1979-01-04 | Canon Kk | Aufzeichnungsgeraet |
-
1980
- 1980-04-30 JP JP5726780A patent/JPS56153333A/ja active Granted
-
1981
- 1981-04-29 US US06/258,692 patent/US4375065A/en not_active Expired - Lifetime
- 1981-04-30 DE DE19813117219 patent/DE3117219A1/de active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS6230549B2 (ja) | 1987-07-02 |
US4375065A (en) | 1983-02-22 |
DE3117219C2 (ja) | 1989-03-30 |
DE3117219A1 (de) | 1982-03-04 |
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