JPH02100851U - - Google Patents
Info
- Publication number
- JPH02100851U JPH02100851U JP1014689U JP1014689U JPH02100851U JP H02100851 U JPH02100851 U JP H02100851U JP 1014689 U JP1014689 U JP 1014689U JP 1014689 U JP1014689 U JP 1014689U JP H02100851 U JPH02100851 U JP H02100851U
- Authority
- JP
- Japan
- Prior art keywords
- signal
- sound
- announcement
- noise
- reverse
- 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
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Circuit For Audible Band Transducer (AREA)
- Control Of Amplification And Gain Control (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1014689U JPH02100851U (en, 2012) | 1989-01-30 | 1989-01-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1014689U JPH02100851U (en, 2012) | 1989-01-30 | 1989-01-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02100851U true JPH02100851U (en, 2012) | 1990-08-10 |
Family
ID=31217547
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1014689U Pending JPH02100851U (en, 2012) | 1989-01-30 | 1989-01-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02100851U (en, 2012) |
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1989
- 1989-01-30 JP JP1014689U patent/JPH02100851U/ja active Pending