JPS63156199U - - Google Patents
Info
- Publication number
- JPS63156199U JPS63156199U JP4673387U JP4673387U JPS63156199U JP S63156199 U JPS63156199 U JP S63156199U JP 4673387 U JP4673387 U JP 4673387U JP 4673387 U JP4673387 U JP 4673387U JP S63156199 U JPS63156199 U JP S63156199U
- Authority
- JP
- Japan
- Prior art keywords
- acoustic
- transducer
- electroacoustic transducer
- substrate
- annular wall
- 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
- 239000000758 substrate Substances 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 claims 1
- 238000006243 chemical reaction Methods 0.000 description 1
Landscapes
- Piezo-Electric Transducers For Audible Bands (AREA)
- Telephone Set Structure (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4673387U JPS63156199U (ru) | 1987-03-31 | 1987-03-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4673387U JPS63156199U (ru) | 1987-03-31 | 1987-03-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63156199U true JPS63156199U (ru) | 1988-10-13 |
Family
ID=30866668
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4673387U Pending JPS63156199U (ru) | 1987-03-31 | 1987-03-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63156199U (ru) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4814228B1 (ru) * | 1970-10-08 | 1973-05-04 | ||
| JPS5723597B2 (ru) * | 1977-02-23 | 1982-05-19 |
-
1987
- 1987-03-31 JP JP4673387U patent/JPS63156199U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4814228B1 (ru) * | 1970-10-08 | 1973-05-04 | ||
| JPS5723597B2 (ru) * | 1977-02-23 | 1982-05-19 |