JPS5666807A - Production of focusing type optical transmission body - Google Patents

Production of focusing type optical transmission body

Info

Publication number
JPS5666807A
JPS5666807A JP14302879A JP14302879A JPS5666807A JP S5666807 A JPS5666807 A JP S5666807A JP 14302879 A JP14302879 A JP 14302879A JP 14302879 A JP14302879 A JP 14302879A JP S5666807 A JPS5666807 A JP S5666807A
Authority
JP
Japan
Prior art keywords
optical transmission
transmission body
type optical
focusing type
refractive indexes
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
JP14302879A
Other languages
English (en)
Japanese (ja)
Other versions
JPS645681B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html
Inventor
Toshiyuki Iguchi
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.)
Ricoh Co Ltd
Original Assignee
Ricoh 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 Ricoh Co Ltd filed Critical Ricoh Co Ltd
Priority to JP14302879A priority Critical patent/JPS5666807A/ja
Publication of JPS5666807A publication Critical patent/JPS5666807A/ja
Publication of JPS645681B2 publication Critical patent/JPS645681B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
JP14302879A 1979-11-05 1979-11-05 Production of focusing type optical transmission body Granted JPS5666807A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14302879A JPS5666807A (en) 1979-11-05 1979-11-05 Production of focusing type optical transmission body

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14302879A JPS5666807A (en) 1979-11-05 1979-11-05 Production of focusing type optical transmission body

Publications (2)

Publication Number Publication Date
JPS5666807A true JPS5666807A (en) 1981-06-05
JPS645681B2 JPS645681B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1989-01-31

Family

ID=15329221

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14302879A Granted JPS5666807A (en) 1979-11-05 1979-11-05 Production of focusing type optical transmission body

Country Status (1)

Country Link
JP (1) JPS5666807A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0485501A (ja) * 1990-07-30 1992-03-18 Alps Electric Co Ltd レンズならびにレンズの製造方法
US5614253A (en) * 1993-06-16 1997-03-25 Sumitomo Electric Industries, Ltd. Plastic optical fiber preform, and process and apparatus for producing the same
US5891570A (en) * 1993-06-18 1999-04-06 Sumitomo Electric Industries, Ltd. Plastic optical fiber preform having a jacket layer

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5187049A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1975-01-27 1976-07-30 Nippon Selfoc Co Ltd
JPS5321937A (en) * 1976-08-12 1978-02-28 Mitsubishi Electric Corp Preparation of synthetic resin material for optical transmission

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5187049A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1975-01-27 1976-07-30 Nippon Selfoc Co Ltd
JPS5321937A (en) * 1976-08-12 1978-02-28 Mitsubishi Electric Corp Preparation of synthetic resin material for optical transmission

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0485501A (ja) * 1990-07-30 1992-03-18 Alps Electric Co Ltd レンズならびにレンズの製造方法
US5614253A (en) * 1993-06-16 1997-03-25 Sumitomo Electric Industries, Ltd. Plastic optical fiber preform, and process and apparatus for producing the same
US5851666A (en) * 1993-06-16 1998-12-22 Sumitomo Electric Industries, Ltd. Plastic optical fiber preform, and process and apparatus for producing the same
US5891570A (en) * 1993-06-18 1999-04-06 Sumitomo Electric Industries, Ltd. Plastic optical fiber preform having a jacket layer
US5916495A (en) * 1993-06-18 1999-06-29 Sumitomo Electric Industries, Ltd. Plastic optical fiber preform, and process and apparatus for producing the same

Also Published As

Publication number Publication date
JPS645681B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1989-01-31

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