JPS5264865A - Focus detection unit of electronic line scanning-type image equipment - Google Patents

Focus detection unit of electronic line scanning-type image equipment

Info

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
Application number
JP14128875A
Other languages
Japanese (ja)
Other versions
JPS5820099B2 (en
Inventor
Gen Date
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shimadzu Corp
Shimadzu Seisakusho Ltd
Original Assignee
Shimadzu Corp
Shimadzu Seisakusho Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shimadzu Corp, Shimadzu Seisakusho Ltd filed Critical Shimadzu Corp
Priority to JP14128875A priority Critical patent/JPS5820099B2/en
Publication of JPS5264865A publication Critical patent/JPS5264865A/en
Publication of JPS5820099B2 publication Critical patent/JPS5820099B2/en
Expired legal-status Critical Current

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
JP14128875A 1975-11-25 1975-11-25 How to get the best results Expired JPS5820099B2 (en)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02107699U (en) * 1989-02-14 1990-08-27

Cited By (2)

* Cited by examiner, † Cited by third party
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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