JPS6438856U - - Google Patents
Info
- Publication number
- JPS6438856U JPS6438856U JP13363987U JP13363987U JPS6438856U JP S6438856 U JPS6438856 U JP S6438856U JP 13363987 U JP13363987 U JP 13363987U JP 13363987 U JP13363987 U JP 13363987U JP S6438856 U JPS6438856 U JP S6438856U
- Authority
- JP
- Japan
- Prior art keywords
- acoustic transducer
- amplifier
- acoustic
- transmitter
- receiver
- 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
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical group [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 claims description 5
- 229910052753 mercury Inorganic materials 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
Landscapes
- Telephone Set Structure (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13363987U JPS6438856U ( ) | 1987-08-31 | 1987-08-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13363987U JPS6438856U ( ) | 1987-08-31 | 1987-08-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6438856U true JPS6438856U ( ) | 1989-03-08 |
Family
ID=31391685
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13363987U Pending JPS6438856U ( ) | 1987-08-31 | 1987-08-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6438856U ( ) |
-
1987
- 1987-08-31 JP JP13363987U patent/JPS6438856U/ja active Pending