JPH0546531Y2 - - Google Patents
Info
- Publication number
- JPH0546531Y2 JPH0546531Y2 JP1986051683U JP5168386U JPH0546531Y2 JP H0546531 Y2 JPH0546531 Y2 JP H0546531Y2 JP 1986051683 U JP1986051683 U JP 1986051683U JP 5168386 U JP5168386 U JP 5168386U JP H0546531 Y2 JPH0546531 Y2 JP H0546531Y2
- Authority
- JP
- Japan
- Prior art keywords
- frequency
- pass filter
- thin plate
- car
- piezoelectric element
- 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.)
- Expired - Lifetime
Links
- 239000005357 flat glass Substances 0.000 claims description 10
- 238000003780 insertion Methods 0.000 claims description 7
- 230000037431 insertion Effects 0.000 claims description 7
- 230000005534 acoustic noise Effects 0.000 description 12
- 239000003990 capacitor Substances 0.000 description 10
- 239000000463 material Substances 0.000 description 7
- 238000001514 detection method Methods 0.000 description 5
- 230000005669 field effect Effects 0.000 description 4
- 241000269400 Sirenidae Species 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 239000000919 ceramic Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000005219 brazing Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
Landscapes
- Burglar Alarm Systems (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986051683U JPH0546531Y2 (US06262066-20010717-C00315.png) | 1986-04-07 | 1986-04-07 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986051683U JPH0546531Y2 (US06262066-20010717-C00315.png) | 1986-04-07 | 1986-04-07 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62172659U JPS62172659U (US06262066-20010717-C00315.png) | 1987-11-02 |
| JPH0546531Y2 true JPH0546531Y2 (US06262066-20010717-C00315.png) | 1993-12-06 |
Family
ID=30876172
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986051683U Expired - Lifetime JPH0546531Y2 (US06262066-20010717-C00315.png) | 1986-04-07 | 1986-04-07 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0546531Y2 (US06262066-20010717-C00315.png) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61135844A (ja) * | 1984-12-03 | 1986-06-23 | Matsushita Electric Works Ltd | 自動車用盗難防止装置 |
-
1986
- 1986-04-07 JP JP1986051683U patent/JPH0546531Y2/ja not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61135844A (ja) * | 1984-12-03 | 1986-06-23 | Matsushita Electric Works Ltd | 自動車用盗難防止装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS62172659U (US06262066-20010717-C00315.png) | 1987-11-02 |
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