JPS61106901U - - Google Patents

Info

Publication number
JPS61106901U
JPS61106901U JP19216184U JP19216184U JPS61106901U JP S61106901 U JPS61106901 U JP S61106901U JP 19216184 U JP19216184 U JP 19216184U JP 19216184 U JP19216184 U JP 19216184U JP S61106901 U JPS61106901 U JP S61106901U
Authority
JP
Japan
Prior art keywords
lens
micro fresnel
ring
gradient index
ground
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
JP19216184U
Other languages
English (en)
Japanese (ja)
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 filed Critical
Priority to JP19216184U priority Critical patent/JPS61106901U/ja
Publication of JPS61106901U publication Critical patent/JPS61106901U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Optical Head (AREA)
JP19216184U 1984-12-20 1984-12-20 Pending JPS61106901U (US07943777-20110517-C00090.png)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP19216184U JPS61106901U (US07943777-20110517-C00090.png) 1984-12-20 1984-12-20

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP19216184U JPS61106901U (US07943777-20110517-C00090.png) 1984-12-20 1984-12-20

Publications (1)

Publication Number Publication Date
JPS61106901U true JPS61106901U (US07943777-20110517-C00090.png) 1986-07-07

Family

ID=30749587

Family Applications (1)

Application Number Title Priority Date Filing Date
JP19216184U Pending JPS61106901U (US07943777-20110517-C00090.png) 1984-12-20 1984-12-20

Country Status (1)

Country Link
JP (1) JPS61106901U (US07943777-20110517-C00090.png)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5114267A (ja) * 1974-07-27 1976-02-04 Tokyo Tungsten Kk Handotaizairyoshijokiban
JPS54156651A (en) * 1978-05-30 1979-12-10 Rca Corp Fresnel lens

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5114267A (ja) * 1974-07-27 1976-02-04 Tokyo Tungsten Kk Handotaizairyoshijokiban
JPS54156651A (en) * 1978-05-30 1979-12-10 Rca Corp Fresnel lens

Similar Documents

Publication Publication Date Title
JPS61106901U (US07943777-20110517-C00090.png)
JPS6176401U (US07943777-20110517-C00090.png)
JPS585809U (ja) 光線反射板で形成した釦
JPH0376151U (US07943777-20110517-C00090.png)
JPS61112301U (US07943777-20110517-C00090.png)
JPS6243316U (US07943777-20110517-C00090.png)
JPS63170837U (US07943777-20110517-C00090.png)
JPS62186108U (US07943777-20110517-C00090.png)
JPS63128513U (US07943777-20110517-C00090.png)
JPH0181602U (US07943777-20110517-C00090.png)
JPS63100859U (US07943777-20110517-C00090.png)
JPS6150917U (US07943777-20110517-C00090.png)
JPS61150307U (US07943777-20110517-C00090.png)
JPS62124752U (US07943777-20110517-C00090.png)
JPS6335001U (US07943777-20110517-C00090.png)
JPH0247601U (US07943777-20110517-C00090.png)
JPH02131203U (US07943777-20110517-C00090.png)
JPS6176408U (US07943777-20110517-C00090.png)
JPH0328760U (US07943777-20110517-C00090.png)
JPH0366034U (US07943777-20110517-C00090.png)
JPH0351856U (US07943777-20110517-C00090.png)
JPH0347590U (US07943777-20110517-C00090.png)
JPS62147136U (US07943777-20110517-C00090.png)
JPH0424055U (US07943777-20110517-C00090.png)
JPS6445813U (US07943777-20110517-C00090.png)