JPH0170448U - - Google Patents
Info
- Publication number
- JPH0170448U JPH0170448U JP1987165442U JP16544287U JPH0170448U JP H0170448 U JPH0170448 U JP H0170448U JP 1987165442 U JP1987165442 U JP 1987165442U JP 16544287 U JP16544287 U JP 16544287U JP H0170448 U JPH0170448 U JP H0170448U
- Authority
- JP
- Japan
- Prior art keywords
- opening
- communication device
- bulge
- underwater communication
- ultrasonic underwater
- 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
- 239000004033 plastic Substances 0.000 claims description 2
- 238000012856 packing Methods 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
Landscapes
- Piezo-Electric Transducers For Audible Bands (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987165442U JPH0170448U (en]) | 1987-10-30 | 1987-10-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987165442U JPH0170448U (en]) | 1987-10-30 | 1987-10-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0170448U true JPH0170448U (en]) | 1989-05-10 |
Family
ID=31451932
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987165442U Pending JPH0170448U (en]) | 1987-10-30 | 1987-10-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0170448U (en]) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4812492B1 (en]) * | 1969-03-14 | 1973-04-20 | ||
| JPS4955203A (en]) * | 1972-09-28 | 1974-05-29 |
-
1987
- 1987-10-30 JP JP1987165442U patent/JPH0170448U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4812492B1 (en]) * | 1969-03-14 | 1973-04-20 | ||
| JPS4955203A (en]) * | 1972-09-28 | 1974-05-29 |