JPH0174700U - - Google Patents
Info
- Publication number
- JPH0174700U JPH0174700U JP1987169012U JP16901287U JPH0174700U JP H0174700 U JPH0174700 U JP H0174700U JP 1987169012 U JP1987169012 U JP 1987169012U JP 16901287 U JP16901287 U JP 16901287U JP H0174700 U JPH0174700 U JP H0174700U
- Authority
- JP
- Japan
- Prior art keywords
- speaker
- speaker device
- microphones
- microphone
- changeover switch
- 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
- 238000001514 detection method Methods 0.000 claims 1
- 238000009434 installation Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Details Of Audible-Bandwidth Transducers (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987169012U JPH0174700U (en, 2012) | 1987-11-06 | 1987-11-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987169012U JPH0174700U (en, 2012) | 1987-11-06 | 1987-11-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0174700U true JPH0174700U (en, 2012) | 1989-05-19 |
Family
ID=31458699
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987169012U Pending JPH0174700U (en, 2012) | 1987-11-06 | 1987-11-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0174700U (en, 2012) |
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1987
- 1987-11-06 JP JP1987169012U patent/JPH0174700U/ja active Pending