JPS53143625U - - Google Patents
Info
- Publication number
- JPS53143625U JPS53143625U JP4921177U JP4921177U JPS53143625U JP S53143625 U JPS53143625 U JP S53143625U JP 4921177 U JP4921177 U JP 4921177U JP 4921177 U JP4921177 U JP 4921177U JP S53143625 U JPS53143625 U JP S53143625U
- 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.)
- Pending
Links
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 |
|---|---|---|---|
| JP4921177U JPS53143625U (en) | 1977-04-18 | 1977-04-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4921177U JPS53143625U (en) | 1977-04-18 | 1977-04-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS53143625U true JPS53143625U (en) | 1978-11-13 |
Family
ID=28934377
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4921177U Pending JPS53143625U (en) | 1977-04-18 | 1977-04-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS53143625U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57162591A (en) * | 1981-03-30 | 1982-10-06 | Yokogawa Hokushin Electric Corp | Ultrasonic wave transducer |
| JPS61150598A (en) * | 1984-12-20 | 1986-07-09 | エイ・ティ・アンド・ティ・コーポレーション | Secondary troidal microphone |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5333613A (en) * | 1976-09-09 | 1978-03-29 | Matsushita Electric Ind Co Ltd | Microphone and its manufacture |
-
1977
- 1977-04-18 JP JP4921177U patent/JPS53143625U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5333613A (en) * | 1976-09-09 | 1978-03-29 | Matsushita Electric Ind Co Ltd | Microphone and its manufacture |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57162591A (en) * | 1981-03-30 | 1982-10-06 | Yokogawa Hokushin Electric Corp | Ultrasonic wave transducer |
| JPS61150598A (en) * | 1984-12-20 | 1986-07-09 | エイ・ティ・アンド・ティ・コーポレーション | Secondary troidal microphone |