JPH0418900U - - Google Patents
Info
- Publication number
- JPH0418900U JPH0418900U JP5855390U JP5855390U JPH0418900U JP H0418900 U JPH0418900 U JP H0418900U JP 5855390 U JP5855390 U JP 5855390U JP 5855390 U JP5855390 U JP 5855390U JP H0418900 U JPH0418900 U JP H0418900U
- Authority
- JP
- Japan
- Prior art keywords
- head
- user
- secondary sound
- microphone
- speaker
- 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
- 230000005236 sound signal Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
- Chair Legs, Seat Parts, And Backrests (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5855390U JPH0418900U (ru) | 1990-06-01 | 1990-06-01 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5855390U JPH0418900U (ru) | 1990-06-01 | 1990-06-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0418900U true JPH0418900U (ru) | 1992-02-17 |
Family
ID=31584270
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5855390U Pending JPH0418900U (ru) | 1990-06-01 | 1990-06-01 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0418900U (ru) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009029405A (ja) * | 2007-06-22 | 2009-02-12 | Panasonic Corp | 騒音制御装置 |
-
1990
- 1990-06-01 JP JP5855390U patent/JPH0418900U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009029405A (ja) * | 2007-06-22 | 2009-02-12 | Panasonic Corp | 騒音制御装置 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| ATE294491T1 (de) | Gerät mit eingebautem elektroakustischen wandler zur optimalen sprachwiedergabe | |
| JPH0418900U (ru) | ||
| JPH01114753U (ru) | ||
| JPH0362394U (ru) | ||
| JPS6176376U (ru) | ||
| JPH0391310U (ru) | ||
| JPH0735503Y2 (ja) | 音響振動装置付き枕 | |
| JPS6363891U (ru) | ||
| JPH03115622U (ru) | ||
| JPS6440992U (ru) | ||
| JPS63192749U (ru) | ||
| JPH0213385U (ru) | ||
| JPS62186585U (ru) | ||
| JPH0420098U (ru) | ||
| JPH0420100U (ru) | ||
| JPH0249526U (ru) | ||
| JPS62188897U (ru) | ||
| JPH01101288U (ru) | ||
| JPH0439722U (ru) | ||
| JPH01126695U (ru) | ||
| JPH0251508U (ru) | ||
| JPS62106573U (ru) | ||
| JPH0419851U (ru) | ||
| JPH0443290U (ru) | ||
| JPH0221891U (ru) |