JPH0439799U - - Google Patents
Info
- Publication number
- JPH0439799U JPH0439799U JP8155090U JP8155090U JPH0439799U JP H0439799 U JPH0439799 U JP H0439799U JP 8155090 U JP8155090 U JP 8155090U JP 8155090 U JP8155090 U JP 8155090U JP H0439799 U JPH0439799 U JP H0439799U
- Authority
- JP
- Japan
- Prior art keywords
- paraboloid
- reflection means
- sound
- microphones
- microphone device
- 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 3
Landscapes
- Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8155090U JPH0439799U (en]) | 1990-07-31 | 1990-07-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8155090U JPH0439799U (en]) | 1990-07-31 | 1990-07-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0439799U true JPH0439799U (en]) | 1992-04-03 |
Family
ID=31627602
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8155090U Pending JPH0439799U (en]) | 1990-07-31 | 1990-07-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0439799U (en]) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006075377A1 (ja) * | 2005-01-13 | 2006-07-20 | Fujitsu Limited | 受音装置 |
| JP2015198411A (ja) * | 2014-04-03 | 2015-11-09 | 日本電信電話株式会社 | 変換装置 |
| JP2015198412A (ja) * | 2014-04-03 | 2015-11-09 | 日本電信電話株式会社 | 変換装置 |
| JP2020058085A (ja) * | 2020-01-20 | 2020-04-09 | 日本電信電話株式会社 | 収音装置 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6359099A (ja) * | 1986-08-28 | 1988-03-14 | Teru Hayashi | 集音装置 |
-
1990
- 1990-07-31 JP JP8155090U patent/JPH0439799U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6359099A (ja) * | 1986-08-28 | 1988-03-14 | Teru Hayashi | 集音装置 |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006075377A1 (ja) * | 2005-01-13 | 2006-07-20 | Fujitsu Limited | 受音装置 |
| JP2015198411A (ja) * | 2014-04-03 | 2015-11-09 | 日本電信電話株式会社 | 変換装置 |
| JP2015198412A (ja) * | 2014-04-03 | 2015-11-09 | 日本電信電話株式会社 | 変換装置 |
| JP2020058085A (ja) * | 2020-01-20 | 2020-04-09 | 日本電信電話株式会社 | 収音装置 |