DE2858811C2 - Vorrichtung zur optischen Abtastung - Google Patents
Vorrichtung zur optischen AbtastungInfo
- Publication number
- DE2858811C2 DE2858811C2 DE2858811A DE2858811A DE2858811C2 DE 2858811 C2 DE2858811 C2 DE 2858811C2 DE 2858811 A DE2858811 A DE 2858811A DE 2858811 A DE2858811 A DE 2858811A DE 2858811 C2 DE2858811 C2 DE 2858811C2
- Authority
- DE
- Germany
- Prior art keywords
- lens
- light source
- scanning
- equation
- distance
- 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
- 230000003287 optical effect Effects 0.000 title claims description 6
- 201000009310 astigmatism Diseases 0.000 claims description 21
- 230000004075 alteration Effects 0.000 description 21
- 238000003384 imaging method Methods 0.000 description 13
- 238000005070 sampling Methods 0.000 description 13
- 238000013461 design Methods 0.000 description 10
- 238000010276 construction Methods 0.000 description 7
- 238000012937 correction Methods 0.000 description 7
- 230000008859 change Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000009467 reduction Effects 0.000 description 3
- 239000004065 semiconductor Substances 0.000 description 3
- 238000010408 sweeping Methods 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 206010010071 Coma Diseases 0.000 description 1
- 206010073261 Ovarian theca cell tumour Diseases 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000010365 information processing Effects 0.000 description 1
- 238000013507 mapping Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010606 normalization Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 210000001747 pupil Anatomy 0.000 description 1
- 208000001644 thecoma Diseases 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
- 238000012549 training Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/0005—Optical objectives specially designed for the purposes specified below having F-Theta characteristic
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
- G02B26/08—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
- G02B26/10—Scanning systems
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mechanical Optical Scanning Systems (AREA)
- Lenses (AREA)
- Image Input (AREA)
- Facsimile Scanning Arrangements (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15615877A JPS5487540A (en) | 1977-12-23 | 1977-12-23 | Information processing terminal device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2858811C2 true DE2858811C2 (de) | 1993-11-11 |
Family
ID=15621607
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2858811A Expired - Lifetime DE2858811C2 (de) | 1977-12-23 | 1978-12-22 | Vorrichtung zur optischen Abtastung |
| DE19782855689 Granted DE2855689A1 (de) | 1977-12-23 | 1978-12-22 | Vorrichtung zur optischen abtastung |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19782855689 Granted DE2855689A1 (de) | 1977-12-23 | 1978-12-22 | Vorrichtung zur optischen abtastung |
Country Status (7)
Families Citing this family (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4379612A (en) * | 1979-09-04 | 1983-04-12 | Canon Kabushiki Kaisha | Scanning optical system having a fall-down correcting function |
| JPS585706A (ja) * | 1981-07-02 | 1983-01-13 | Ricoh Co Ltd | 単玉▲ｆ▼θレンズ |
| DE3220408C2 (de) * | 1982-05-29 | 1985-05-15 | Optische Werke G. Rodenstock, 8000 München | Abtastobjektiv |
| JPS61147211A (ja) * | 1984-12-21 | 1986-07-04 | Konishiroku Photo Ind Co Ltd | 単玉ｆθレンズ |
| JPH0760221B2 (ja) * | 1985-12-13 | 1995-06-28 | セイコーエプソン株式会社 | 光走査装置 |
| US4934772A (en) * | 1987-12-02 | 1990-06-19 | Ricoh Company, Ltd. | Light beam scanning lens and light beam scanning device |
| JP2682675B2 (ja) * | 1988-11-07 | 1997-11-26 | 株式会社リコー | 走査光学系 |
| US5128795A (en) * | 1989-08-14 | 1992-07-07 | Ricoh Company, Ltd. | Scanning lens and scanning apparatus using scanning lens |
| US5111325A (en) * | 1989-10-16 | 1992-05-05 | Eastman Kodak Company | F-θ lens |
| JPH07111501B2 (ja) * | 1990-06-15 | 1995-11-29 | キヤノン株式会社 | ｆθレンズ及びそれを用いた画像形成装置 |
| US5905530A (en) * | 1992-08-24 | 1999-05-18 | Canon Kabushiki Kaisha | Image pickup apparatus |
| US8213068B1 (en) * | 1994-09-06 | 2012-07-03 | Canon Kabushiki Kaisha | Scanning optical apparatus |
| JP3712017B2 (ja) * | 1995-05-12 | 2005-11-02 | セイコーエプソン株式会社 | 光走査装置 |
| JP2671891B2 (ja) * | 1996-05-28 | 1997-11-05 | セイコーエプソン株式会社 | 光走査装置 |
| JP2671895B2 (ja) * | 1996-05-28 | 1997-11-05 | セイコーエプソン株式会社 | 光走査方法 |
| JP2671893B2 (ja) * | 1996-05-28 | 1997-11-05 | セイコーエプソン株式会社 | 記録装置 |
| JP2671894B2 (ja) * | 1996-05-28 | 1997-11-05 | セイコーエプソン株式会社 | 走査用レンズ |
| JP2671892B2 (ja) * | 1996-05-28 | 1997-11-05 | セイコーエプソン株式会社 | 光走査装置 |
| JP4898203B2 (ja) | 2005-12-06 | 2012-03-14 | キヤノン株式会社 | 光走査装置及びそれを用いた画像形成装置 |
| DE102013215442A1 (de) * | 2013-08-06 | 2015-02-12 | Robert Bosch Gmbh | Vorrichtung zur Materialbearbeitung mit einem Laserstrahl |
| JP7331297B2 (ja) * | 2018-10-26 | 2023-08-23 | 株式会社Tkr | ３次元造形装置 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3687025A (en) * | 1970-05-04 | 1972-08-29 | Harris Intertype Corp | Image spacing system |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2475275A (en) * | 1945-01-19 | 1949-07-05 | Birchall Henry James | Lens of variable focal power having surfaces of involute form |
| US2811081A (en) * | 1952-07-03 | 1957-10-29 | Henry L Praeger | Universal focal length photo-objective system |
| US3573849A (en) * | 1969-02-04 | 1971-04-06 | Bell Telephone Labor Inc | Pattern generating apparatus |
| JPS514862B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1971-09-16 | 1976-02-16 | ||
| US3946150A (en) * | 1973-12-20 | 1976-03-23 | Xerox Corporation | Optical scanner |
| US3973833A (en) * | 1974-07-31 | 1976-08-10 | Zygo Corporation | Lens where the light rays obey the relation H=KFθ |
| US3961838A (en) * | 1975-01-10 | 1976-06-08 | Zygo Corporation | Apparatus for producing a scanning laser beam of constant linear velocity |
| GB1561651A (en) * | 1976-02-13 | 1980-02-27 | Plessey Co Ltd | Opticalrecording apparatus |
| US4108532A (en) * | 1976-06-23 | 1978-08-22 | Canon Kabushiki Kaisha | Light beam scanning device |
| US4099829A (en) * | 1977-02-23 | 1978-07-11 | Harris Corporation | Flat field optical scanning system |
-
1977
- 1977-12-23 JP JP15615877A patent/JPS5487540A/ja active Granted
-
1978
- 1978-12-20 AU AU42740/78A patent/AU4274078A/en active Pending
- 1978-12-20 US US05/971,439 patent/US4352541A/en not_active Expired - Lifetime
- 1978-12-22 CA CA318,559A patent/CA1130125A/en not_active Expired
- 1978-12-22 FR FR7836209A patent/FR2412866A1/fr active Granted
- 1978-12-22 GB GB7849873A patent/GB2011116B/en not_active Expired
- 1978-12-22 DE DE2858811A patent/DE2858811C2/de not_active Expired - Lifetime
- 1978-12-22 DE DE19782855689 patent/DE2855689A1/de active Granted
- 1978-12-22 GB GB8112286A patent/GB2094991B/en not_active Expired
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3687025A (en) * | 1970-05-04 | 1972-08-29 | Harris Intertype Corp | Image spacing system |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5487540A (en) | 1979-07-12 |
| DE2855689C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1991-03-28 |
| GB2011116A (en) | 1979-07-04 |
| FR2412866B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1982-08-20 |
| US4352541A (en) | 1982-10-05 |
| CA1130125A (en) | 1982-08-24 |
| JPS633289B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1988-01-22 |
| GB2094991B (en) | 1983-03-16 |
| AU4274078A (en) | 1979-06-28 |
| GB2011116B (en) | 1982-06-30 |
| GB2094991A (en) | 1982-09-22 |
| FR2412866A1 (fr) | 1979-07-20 |
| DE2855689A1 (de) | 1979-06-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| Q172 | Divided out of (supplement): |
Ref country code: DE Ref document number: 2855689 |
|
| 8110 | Request for examination paragraph 44 | ||
| AC | Divided out of |
Ref country code: DE Ref document number: 2855689 Format of ref document f/p: P |
|
| AC | Divided out of |
Ref country code: DE Ref document number: 2855689 Format of ref document f/p: P |
|
| D2 | Grant after examination | ||
| 8380 | Miscellaneous part iii |
Free format text: DER VERTRETER IST NACHZUTRAGEN: PELLMANN, H., DIPL.-ING., PAT.-ANWALT, 80336 MUENCHEN |
|
| 8364 | No opposition during term of opposition |