JPH0543600Y2 - - Google Patents
Info
- Publication number
- JPH0543600Y2 JPH0543600Y2 JP1986111586U JP11158686U JPH0543600Y2 JP H0543600 Y2 JPH0543600 Y2 JP H0543600Y2 JP 1986111586 U JP1986111586 U JP 1986111586U JP 11158686 U JP11158686 U JP 11158686U JP H0543600 Y2 JPH0543600 Y2 JP H0543600Y2
- Authority
- JP
- Japan
- Prior art keywords
- diaphragm
- buzzer
- electronic
- sound
- resonance case
- 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
- 230000001681 protective effect Effects 0.000 claims description 18
- 239000000919 ceramic Substances 0.000 claims description 6
- 238000001514 detection method Methods 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- 230000001846 repelling effect Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 230000002238 attenuated effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 229920003002 synthetic resin Polymers 0.000 description 2
- 239000000057 synthetic resin Substances 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000005357 flat glass Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
Landscapes
- Piezo-Electric Transducers For Audible Bands (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986111586U JPH0543600Y2 (de) | 1986-07-21 | 1986-07-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986111586U JPH0543600Y2 (de) | 1986-07-21 | 1986-07-21 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6320700U JPS6320700U (de) | 1988-02-10 |
| JPH0543600Y2 true JPH0543600Y2 (de) | 1993-11-02 |
Family
ID=30991645
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986111586U Expired - Lifetime JPH0543600Y2 (de) | 1986-07-21 | 1986-07-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0543600Y2 (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200459066Y1 (ko) | 2010-05-14 | 2012-03-22 | 임문배 | 다목적 전자식 호루라기 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5736000B2 (de) * | 1978-06-22 | 1982-07-31 | ||
| JPS6096093A (ja) * | 1983-10-31 | 1985-05-29 | Matsushita Electric Ind Co Ltd | 電気音響変換器収納装置 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54105281U (de) * | 1978-01-09 | 1979-07-24 | ||
| JPS6318071Y2 (de) * | 1980-08-11 | 1988-05-20 |
-
1986
- 1986-07-21 JP JP1986111586U patent/JPH0543600Y2/ja not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5736000B2 (de) * | 1978-06-22 | 1982-07-31 | ||
| JPS6096093A (ja) * | 1983-10-31 | 1985-05-29 | Matsushita Electric Ind Co Ltd | 電気音響変換器収納装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6320700U (de) | 1988-02-10 |
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