JPH03109457U - - Google Patents
Info
- Publication number
- JPH03109457U JPH03109457U JP1783290U JP1783290U JPH03109457U JP H03109457 U JPH03109457 U JP H03109457U JP 1783290 U JP1783290 U JP 1783290U JP 1783290 U JP1783290 U JP 1783290U JP H03109457 U JPH03109457 U JP H03109457U
- Authority
- JP
- Japan
- Prior art keywords
- microphone
- housing
- speaker
- distance
- external force
- 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
- 230000003321 amplification Effects 0.000 claims 2
- 238000003199 nucleic acid amplification method Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Telephone Set Structure (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1783290U JPH03109457U (en]) | 1990-02-22 | 1990-02-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1783290U JPH03109457U (en]) | 1990-02-22 | 1990-02-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03109457U true JPH03109457U (en]) | 1991-11-11 |
Family
ID=31521010
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1783290U Pending JPH03109457U (en]) | 1990-02-22 | 1990-02-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03109457U (en]) |
-
1990
- 1990-02-22 JP JP1783290U patent/JPH03109457U/ja active Pending
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