JPS58116651U - 空間周波数フイルタ - Google Patents

空間周波数フイルタ

Info

Publication number
JPS58116651U
JPS58116651U JP1344482U JP1344482U JPS58116651U JP S58116651 U JPS58116651 U JP S58116651U JP 1344482 U JP1344482 U JP 1344482U JP 1344482 U JP1344482 U JP 1344482U JP S58116651 U JPS58116651 U JP S58116651U
Authority
JP
Japan
Prior art keywords
spatial frequency
frequency filter
light
shielding portion
unit
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
JP1344482U
Other languages
English (en)
Japanese (ja)
Other versions
JPS6224258Y2 (enrdf_load_stackoverflow
Inventor
武笠　俊介
杉崎　堅之助
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.)
Dai Nippon Printing Co Ltd
Original Assignee
Dai Nippon Printing 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 Dai Nippon Printing Co Ltd filed Critical Dai Nippon Printing Co Ltd
Priority to JP1344482U priority Critical patent/JPS58116651U/ja
Publication of JPS58116651U publication Critical patent/JPS58116651U/ja
Application granted granted Critical
Publication of JPS6224258Y2 publication Critical patent/JPS6224258Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Length Measuring Devices By Optical Means (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
  • Optical Recording Or Reproduction (AREA)
JP1344482U 1982-02-02 1982-02-02 空間周波数フイルタ Granted JPS58116651U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1344482U JPS58116651U (ja) 1982-02-02 1982-02-02 空間周波数フイルタ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1344482U JPS58116651U (ja) 1982-02-02 1982-02-02 空間周波数フイルタ

Publications (2)

Publication Number Publication Date
JPS58116651U true JPS58116651U (ja) 1983-08-09
JPS6224258Y2 JPS6224258Y2 (enrdf_load_stackoverflow) 1987-06-20

Family

ID=30025959

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1344482U Granted JPS58116651U (ja) 1982-02-02 1982-02-02 空間周波数フイルタ

Country Status (1)

Country Link
JP (1) JPS58116651U (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPS6224258Y2 (enrdf_load_stackoverflow) 1987-06-20

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