JPS5487543A - Device of extracting specified space frequency components of photooimage - Google Patents

Device of extracting specified space frequency components of photooimage

Info

Publication number
JPS5487543A
JPS5487543A JP15591077A JP15591077A JPS5487543A JP S5487543 A JPS5487543 A JP S5487543A JP 15591077 A JP15591077 A JP 15591077A JP 15591077 A JP15591077 A JP 15591077A JP S5487543 A JPS5487543 A JP S5487543A
Authority
JP
Japan
Prior art keywords
photooimage
frequency components
space frequency
specified space
extracting specified
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
Application number
JP15591077A
Other languages
Japanese (ja)
Inventor
Hiroshi Shirokazu
Takeshi Utagawa
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.)
Nippon Chemical Industrial Co Ltd
Original Assignee
Nippon Chemical Industrial Co 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 Nippon Chemical Industrial Co Ltd filed Critical Nippon Chemical Industrial Co Ltd
Priority to JP15591077A priority Critical patent/JPS5487543A/en
Priority to US05/972,261 priority patent/US4264810A/en
Priority to DE19782856233 priority patent/DE2856233A1/en
Publication of JPS5487543A publication Critical patent/JPS5487543A/en
Pending legal-status Critical Current

Links

Landscapes

  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
JP15591077A 1977-12-24 1977-12-24 Device of extracting specified space frequency components of photooimage Pending JPS5487543A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP15591077A JPS5487543A (en) 1977-12-24 1977-12-24 Device of extracting specified space frequency components of photooimage
US05/972,261 US4264810A (en) 1977-12-24 1978-12-22 Focus detecting apparatus
DE19782856233 DE2856233A1 (en) 1977-12-24 1978-12-27 DEVICE FOR FOCUSING DETERMINATION IN AN OPTICAL SYSTEM

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15591077A JPS5487543A (en) 1977-12-24 1977-12-24 Device of extracting specified space frequency components of photooimage

Publications (1)

Publication Number Publication Date
JPS5487543A true JPS5487543A (en) 1979-07-12

Family

ID=15616175

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15591077A Pending JPS5487543A (en) 1977-12-24 1977-12-24 Device of extracting specified space frequency components of photooimage

Country Status (1)

Country Link
JP (1) JPS5487543A (en)

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