JPS6230396Y2 - - Google Patents
Info
- Publication number
- JPS6230396Y2 JPS6230396Y2 JP7229380U JP7229380U JPS6230396Y2 JP S6230396 Y2 JPS6230396 Y2 JP S6230396Y2 JP 7229380 U JP7229380 U JP 7229380U JP 7229380 U JP7229380 U JP 7229380U JP S6230396 Y2 JPS6230396 Y2 JP S6230396Y2
- Authority
- JP
- Japan
- Prior art keywords
- piezoelectric element
- metal plate
- back cover
- piezoelectric
- buzzer
- 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
Links
- 239000002184 metal Substances 0.000 claims description 20
- 229910052751 metal Inorganic materials 0.000 claims description 20
- 239000004033 plastic Substances 0.000 claims description 8
- 229920003023 plastic Polymers 0.000 claims description 8
- 239000000853 adhesive Substances 0.000 claims description 2
- 230000001070 adhesive effect Effects 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 claims 1
- 230000007423 decrease Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000005336 cracking Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910001369 Brass Inorganic materials 0.000 description 1
- 229910000906 Bronze Inorganic materials 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- DMFGNRRURHSENX-UHFFFAOYSA-N beryllium copper Chemical compound [Be].[Cu] DMFGNRRURHSENX-UHFFFAOYSA-N 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 239000010974 bronze Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920006332 epoxy adhesive Polymers 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
Landscapes
- Electromechanical Clocks (AREA)
- Piezo-Electric Transducers For Audible Bands (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7229380U JPS6230396Y2 (zh) | 1980-05-26 | 1980-05-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7229380U JPS6230396Y2 (zh) | 1980-05-26 | 1980-05-26 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS56175898U JPS56175898U (zh) | 1981-12-25 |
| JPS6230396Y2 true JPS6230396Y2 (zh) | 1987-08-04 |
Family
ID=29435592
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7229380U Expired JPS6230396Y2 (zh) | 1980-05-26 | 1980-05-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6230396Y2 (zh) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4610817B2 (ja) * | 2001-09-25 | 2011-01-12 | セイコーインスツル株式会社 | 電子装置 |
-
1980
- 1980-05-26 JP JP7229380U patent/JPS6230396Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS56175898U (zh) | 1981-12-25 |
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