JPH03114898U - - Google Patents
Info
- Publication number
- JPH03114898U JPH03114898U JP2310790U JP2310790U JPH03114898U JP H03114898 U JPH03114898 U JP H03114898U JP 2310790 U JP2310790 U JP 2310790U JP 2310790 U JP2310790 U JP 2310790U JP H03114898 U JPH03114898 U JP H03114898U
- Authority
- JP
- Japan
- Prior art keywords
- acoustic
- acoustic reflector
- reflector
- reflectors
- disposed
- 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.)
- Granted
Links
- 241001416181 Axis axis Species 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
Landscapes
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
- Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990023107U JP2501440Y2 (ja) | 1990-03-07 | 1990-03-07 | 音響反射集束装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990023107U JP2501440Y2 (ja) | 1990-03-07 | 1990-03-07 | 音響反射集束装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH03114898U true JPH03114898U (enrdf_load_stackoverflow) | 1991-11-26 |
| JP2501440Y2 JP2501440Y2 (ja) | 1996-06-19 |
Family
ID=31526106
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990023107U Expired - Lifetime JP2501440Y2 (ja) | 1990-03-07 | 1990-03-07 | 音響反射集束装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2501440Y2 (enrdf_load_stackoverflow) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006109339A (ja) * | 2004-10-08 | 2006-04-20 | Yamaha Corp | 音響システム |
| JP2010230506A (ja) * | 2009-03-27 | 2010-10-14 | Railway Technical Res Inst | 鉄道車両の車軸軸受の異常検知装置及びその方法 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0349398A (ja) * | 1989-07-17 | 1991-03-04 | Nippon Telegr & Teleph Corp <Ntt> | 音声入出力方式 |
-
1990
- 1990-03-07 JP JP1990023107U patent/JP2501440Y2/ja not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0349398A (ja) * | 1989-07-17 | 1991-03-04 | Nippon Telegr & Teleph Corp <Ntt> | 音声入出力方式 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006109339A (ja) * | 2004-10-08 | 2006-04-20 | Yamaha Corp | 音響システム |
| JP2010230506A (ja) * | 2009-03-27 | 2010-10-14 | Railway Technical Res Inst | 鉄道車両の車軸軸受の異常検知装置及びその方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2501440Y2 (ja) | 1996-06-19 |