JPH03121554U - - Google Patents

Info

Publication number
JPH03121554U
JPH03121554U JP2810890U JP2810890U JPH03121554U JP H03121554 U JPH03121554 U JP H03121554U JP 2810890 U JP2810890 U JP 2810890U JP 2810890 U JP2810890 U JP 2810890U JP H03121554 U JPH03121554 U JP H03121554U
Authority
JP
Japan
Prior art keywords
disk
metal plates
capacitance
change
detection circuit
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
JP2810890U
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 JP2810890U priority Critical patent/JPH03121554U/ja
Publication of JPH03121554U publication Critical patent/JPH03121554U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Geophysics And Detection Of Objects (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
JP2810890U 1990-03-19 1990-03-19 Pending JPH03121554U (en)van)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2810890U JPH03121554U (en)van) 1990-03-19 1990-03-19

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2810890U JPH03121554U (en)van) 1990-03-19 1990-03-19

Publications (1)

Publication Number Publication Date
JPH03121554U true JPH03121554U (en)van) 1991-12-12

Family

ID=31530928

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2810890U Pending JPH03121554U (en)van) 1990-03-19 1990-03-19

Country Status (1)

Country Link
JP (1) JPH03121554U (en)van)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011065689A (ja) * 2009-09-15 2011-03-31 Jvc Kenwood Holdings Inc 光ディスクドライブ装置
KR101465353B1 (ko) * 2013-07-22 2014-11-25 김우성 매트 및 그 제조 방법

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52150603A (en) * 1976-06-09 1977-12-14 Pioneer Electronic Corp Disk player

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52150603A (en) * 1976-06-09 1977-12-14 Pioneer Electronic Corp Disk player

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011065689A (ja) * 2009-09-15 2011-03-31 Jvc Kenwood Holdings Inc 光ディスクドライブ装置
KR101465353B1 (ko) * 2013-07-22 2014-11-25 김우성 매트 및 그 제조 방법

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