JPH028246U - - Google Patents
Info
- Publication number
- JPH028246U JPH028246U JP1988086040U JP8604088U JPH028246U JP H028246 U JPH028246 U JP H028246U JP 1988086040 U JP1988086040 U JP 1988086040U JP 8604088 U JP8604088 U JP 8604088U JP H028246 U JPH028246 U JP H028246U
- Authority
- JP
- Japan
- Prior art keywords
- communication terminal
- speaker
- section
- sound waves
- interference
- 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
- 239000002131 composite material Substances 0.000 claims 2
- 230000002265 prevention Effects 0.000 claims 1
- 238000009434 installation Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
Landscapes
- Optical Communication System (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988086040U JPH028246U (OSRAM) | 1988-06-29 | 1988-06-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988086040U JPH028246U (OSRAM) | 1988-06-29 | 1988-06-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH028246U true JPH028246U (OSRAM) | 1990-01-19 |
Family
ID=31310686
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988086040U Pending JPH028246U (OSRAM) | 1988-06-29 | 1988-06-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH028246U (OSRAM) |
-
1988
- 1988-06-29 JP JP1988086040U patent/JPH028246U/ja active Pending
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