JPS62142723U - - Google Patents

Info

Publication number
JPS62142723U
JPS62142723U JP2804286U JP2804286U JPS62142723U JP S62142723 U JPS62142723 U JP S62142723U JP 2804286 U JP2804286 U JP 2804286U JP 2804286 U JP2804286 U JP 2804286U JP S62142723 U JPS62142723 U JP S62142723U
Authority
JP
Japan
Prior art keywords
half mirror
reflected
detection device
information detection
diffractive
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
JP2804286U
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 JP2804286U priority Critical patent/JPS62142723U/ja
Publication of JPS62142723U publication Critical patent/JPS62142723U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Optical Head (AREA)
JP2804286U 1986-02-27 1986-02-27 Pending JPS62142723U (US08118993-20120221-C00002.png)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2804286U JPS62142723U (US08118993-20120221-C00002.png) 1986-02-27 1986-02-27

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2804286U JPS62142723U (US08118993-20120221-C00002.png) 1986-02-27 1986-02-27

Publications (1)

Publication Number Publication Date
JPS62142723U true JPS62142723U (US08118993-20120221-C00002.png) 1987-09-09

Family

ID=30830636

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2804286U Pending JPS62142723U (US08118993-20120221-C00002.png) 1986-02-27 1986-02-27

Country Status (1)

Country Link
JP (1) JPS62142723U (US08118993-20120221-C00002.png)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52119907A (en) * 1976-04-01 1977-10-07 Victor Co Of Japan Ltd Light beam branching device in video disc reproducers
JPS5476177A (en) * 1977-11-30 1979-06-18 Citizen Watch Co Ltd Optical reader
JPS5979441A (ja) * 1982-10-29 1984-05-08 Omron Tateisi Electronics Co 光学的読取装置

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52119907A (en) * 1976-04-01 1977-10-07 Victor Co Of Japan Ltd Light beam branching device in video disc reproducers
JPS5476177A (en) * 1977-11-30 1979-06-18 Citizen Watch Co Ltd Optical reader
JPS5979441A (ja) * 1982-10-29 1984-05-08 Omron Tateisi Electronics Co 光学的読取装置

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