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
Links
- 238000001514 detection method Methods 0.000 claims description 9
- 239000002184 metal Substances 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 13
Landscapes
- Geophysics And Detection Of Objects (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2810890U JPH03121554U (US07714131-20100511-C00038.png) | 1990-03-19 | 1990-03-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2810890U JPH03121554U (US07714131-20100511-C00038.png) | 1990-03-19 | 1990-03-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03121554U true JPH03121554U (US07714131-20100511-C00038.png) | 1991-12-12 |
Family
ID=31530928
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2810890U Pending JPH03121554U (US07714131-20100511-C00038.png) | 1990-03-19 | 1990-03-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03121554U (US07714131-20100511-C00038.png) |
Cited By (2)
| 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)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52150603A (en) * | 1976-06-09 | 1977-12-14 | Pioneer Electronic Corp | Disk player |
-
1990
- 1990-03-19 JP JP2810890U patent/JPH03121554U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52150603A (en) * | 1976-06-09 | 1977-12-14 | Pioneer Electronic Corp | Disk player |
Cited By (2)
| 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 |
