JPS643389B2 - - Google Patents
Info
- Publication number
- JPS643389B2 JPS643389B2 JP55018092A JP1809280A JPS643389B2 JP S643389 B2 JPS643389 B2 JP S643389B2 JP 55018092 A JP55018092 A JP 55018092A JP 1809280 A JP1809280 A JP 1809280A JP S643389 B2 JPS643389 B2 JP S643389B2
- Authority
- JP
- Japan
- Prior art keywords
- semiconductor laser
- laser
- light
- pulse
- recording
- 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
Links
- 239000004065 semiconductor Substances 0.000 claims description 56
- 238000005070 sampling Methods 0.000 claims description 16
- 230000003287 optical effect Effects 0.000 description 15
- 238000000034 method Methods 0.000 description 9
- 239000000463 material Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 238000007493 shaping process Methods 0.000 description 3
- 238000002834 transmittance Methods 0.000 description 3
- 238000007796 conventional method Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- -1 silver halide Chemical class 0.000 description 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)
- Exposure Or Original Feeding In Electrophotography (AREA)
- Fax Reproducing Arrangements (AREA)
- Optical Head (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1809280A JPS56115077A (en) | 1980-02-15 | 1980-02-15 | Laser recording device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1809280A JPS56115077A (en) | 1980-02-15 | 1980-02-15 | Laser recording device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS56115077A JPS56115077A (en) | 1981-09-10 |
| JPS643389B2 true JPS643389B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1989-01-20 |
Family
ID=11961985
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1809280A Granted JPS56115077A (en) | 1980-02-15 | 1980-02-15 | Laser recording device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS56115077A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0273361B1 (en) * | 1986-12-29 | 1994-06-08 | Fuji Photo Film Co., Ltd. | Laser beam recording method and apparatus |
| JPH0626421B2 (ja) * | 1987-02-25 | 1994-04-06 | 富士写真フイルム株式会社 | 半導体レ−ザのドル−プ補正装置 |
| EP4278117B1 (en) | 2021-01-15 | 2024-08-28 | Swagelok Company | Spring return valve handle |
-
1980
- 1980-02-15 JP JP1809280A patent/JPS56115077A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS56115077A (en) | 1981-09-10 |