JPS55149907A - Optical information reader - Google Patents

Optical information reader

Info

Publication number
JPS55149907A
JPS55149907A JP5895579A JP5895579A JPS55149907A JP S55149907 A JPS55149907 A JP S55149907A JP 5895579 A JP5895579 A JP 5895579A JP 5895579 A JP5895579 A JP 5895579A JP S55149907 A JPS55149907 A JP S55149907A
Authority
JP
Japan
Prior art keywords
lens
aberration
light
refractive index
reverse
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
JP5895579A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0221058B2 (enrdf_load_stackoverflow
Inventor
Ikuyuki Miyazawa
Keiko Sakuma
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP5895579A priority Critical patent/JPS55149907A/ja
Publication of JPS55149907A publication Critical patent/JPS55149907A/ja
Publication of JPH0221058B2 publication Critical patent/JPH0221058B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Optical Head (AREA)
  • Lenses (AREA)
  • Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
JP5895579A 1979-05-11 1979-05-11 Optical information reader Granted JPS55149907A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5895579A JPS55149907A (en) 1979-05-11 1979-05-11 Optical information reader

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5895579A JPS55149907A (en) 1979-05-11 1979-05-11 Optical information reader

Publications (2)

Publication Number Publication Date
JPS55149907A true JPS55149907A (en) 1980-11-21
JPH0221058B2 JPH0221058B2 (enrdf_load_stackoverflow) 1990-05-11

Family

ID=13099253

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5895579A Granted JPS55149907A (en) 1979-05-11 1979-05-11 Optical information reader

Country Status (1)

Country Link
JP (1) JPS55149907A (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59166910A (ja) * 1983-03-14 1984-09-20 Agency Of Ind Science & Technol 球・分布屈折率ロッド複合多方向レンズ
JPS60225816A (ja) * 1984-04-25 1985-11-11 Canon Inc 屈折率分布型単レンズ

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59166910A (ja) * 1983-03-14 1984-09-20 Agency Of Ind Science & Technol 球・分布屈折率ロッド複合多方向レンズ
JPS60225816A (ja) * 1984-04-25 1985-11-11 Canon Inc 屈折率分布型単レンズ

Also Published As

Publication number Publication date
JPH0221058B2 (enrdf_load_stackoverflow) 1990-05-11

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