JPS6433290U - - Google Patents
Info
- Publication number
- JPS6433290U JPS6433290U JP12725987U JP12725987U JPS6433290U JP S6433290 U JPS6433290 U JP S6433290U JP 12725987 U JP12725987 U JP 12725987U JP 12725987 U JP12725987 U JP 12725987U JP S6433290 U JPS6433290 U JP S6433290U
- Authority
- JP
- Japan
- Prior art keywords
- passive radiator
- piezoelectric element
- improving
- utility
- high frequency
- 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
- 238000010586 diagram Methods 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Piezo-Electric Transducers For Audible Bands (AREA)
- Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12725987U JPS6433290U (no) | 1987-08-21 | 1987-08-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12725987U JPS6433290U (no) | 1987-08-21 | 1987-08-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6433290U true JPS6433290U (no) | 1989-03-01 |
Family
ID=31379526
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12725987U Pending JPS6433290U (no) | 1987-08-21 | 1987-08-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6433290U (no) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4942327A (no) * | 1972-03-07 | 1974-04-20 | ||
| JPS5434581U (no) * | 1977-08-12 | 1979-03-07 | ||
| JPS5652711U (no) * | 1979-09-27 | 1981-05-09 |
-
1987
- 1987-08-21 JP JP12725987U patent/JPS6433290U/ja active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4942327A (no) * | 1972-03-07 | 1974-04-20 | ||
| JPS5434581U (no) * | 1977-08-12 | 1979-03-07 | ||
| JPS5652711U (no) * | 1979-09-27 | 1981-05-09 |