JPS6486105A - F-theta lens - Google Patents
F-theta lensInfo
- Publication number
- JPS6486105A JPS6486105A JP460387A JP460387A JPS6486105A JP S6486105 A JPS6486105 A JP S6486105A JP 460387 A JP460387 A JP 460387A JP 460387 A JP460387 A JP 460387A JP S6486105 A JPS6486105 A JP S6486105A
- Authority
- JP
- Japan
- Prior art keywords
- curvature
- deflection point
- deflection
- meniscus lens
- theta lens
- 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
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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mechanical Optical Scanning Systems (AREA)
- Lenses (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP460387A JPS6486105A (en) | 1987-01-12 | 1987-01-12 | F-theta lens |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP460387A JPS6486105A (en) | 1987-01-12 | 1987-01-12 | F-theta lens |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6486105A true JPS6486105A (en) | 1989-03-30 |
Family
ID=11588614
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP460387A Pending JPS6486105A (en) | 1987-01-12 | 1987-01-12 | F-theta lens |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6486105A (ja) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS53137631A (en) * | 1977-05-07 | 1978-12-01 | Canon Inc | Terminal unit for information processing |
-
1987
- 1987-01-12 JP JP460387A patent/JPS6486105A/ja active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS53137631A (en) * | 1977-05-07 | 1978-12-01 | Canon Inc | Terminal unit for information processing |
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