JPS4938414Y1 - - Google Patents
Info
- Publication number
- JPS4938414Y1 JPS4938414Y1 JP9664069U JP9664069U JPS4938414Y1 JP S4938414 Y1 JPS4938414 Y1 JP S4938414Y1 JP 9664069 U JP9664069 U JP 9664069U JP 9664069 U JP9664069 U JP 9664069U JP S4938414 Y1 JPS4938414 Y1 JP S4938414Y1
- Authority
- JP
- Japan
- 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
Landscapes
- Transducers For Ultrasonic Waves (AREA)
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9664069U JPS4938414Y1 (en) | 1969-10-09 | 1969-10-09 | |
| GB2499970A GB1316811A (en) | 1969-05-22 | 1970-05-22 | Microphone |
| DE19702025084 DE2025084C (en) | 1969-05-26 | 1970-05-22 | Ultrasonic microphone |
| FR7018965A FR2054558B1 (en) | 1969-05-22 | 1970-05-25 | |
| NL707007549A NL155162B (en) | 1969-05-22 | 1970-05-25 | PIEZO-ELECTRIC MICROPHONE. |
| US00245284A US3749854A (en) | 1969-05-22 | 1972-04-18 | Ultrasonic wave microphone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9664069U JPS4938414Y1 (en) | 1969-10-09 | 1969-10-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS4938414Y1 true JPS4938414Y1 (en) | 1974-10-22 |
Family
ID=33259541
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9664069U Expired JPS4938414Y1 (en) | 1969-05-22 | 1969-10-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS4938414Y1 (en) |
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1969
- 1969-10-09 JP JP9664069U patent/JPS4938414Y1/ja not_active Expired