JPS5264865A - Focus detection unit of electronic line scanning-type image equipment - Google Patents
Focus detection unit of electronic line scanning-type image equipmentInfo
- Publication number
- JPS5264865A JPS5264865A JP14128875A JP14128875A JPS5264865A JP S5264865 A JPS5264865 A JP S5264865A JP 14128875 A JP14128875 A JP 14128875A JP 14128875 A JP14128875 A JP 14128875A JP S5264865 A JPS5264865 A JP S5264865A
- Authority
- JP
- Japan
- Prior art keywords
- detection unit
- focus detection
- type image
- line scanning
- image equipment
- 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
Abstract
PURPOSE: To enhance focusing accuracy by having zero-integration when the center of peak is at half area of focus position variation cycle T.
COPYRIGHT: (C)1977,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14128875A JPS5820099B2 (en) | 1975-11-25 | 1975-11-25 | How to get the best results |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14128875A JPS5820099B2 (en) | 1975-11-25 | 1975-11-25 | How to get the best results |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5264865A true JPS5264865A (en) | 1977-05-28 |
JPS5820099B2 JPS5820099B2 (en) | 1983-04-21 |
Family
ID=15288389
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP14128875A Expired JPS5820099B2 (en) | 1975-11-25 | 1975-11-25 | How to get the best results |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5820099B2 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5624748A (en) * | 1979-08-01 | 1981-03-09 | Hitachi Ltd | Focal point detector for scanning type electron microscope |
US4514634A (en) * | 1982-03-02 | 1985-04-30 | Cambridge Instruments Limited | Electron beam focussing |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02107699U (en) * | 1989-02-14 | 1990-08-27 |
-
1975
- 1975-11-25 JP JP14128875A patent/JPS5820099B2/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5624748A (en) * | 1979-08-01 | 1981-03-09 | Hitachi Ltd | Focal point detector for scanning type electron microscope |
US4514634A (en) * | 1982-03-02 | 1985-04-30 | Cambridge Instruments Limited | Electron beam focussing |
Also Published As
Publication number | Publication date |
---|---|
JPS5820099B2 (en) | 1983-04-21 |
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