JPS5798090U - - Google Patents
Info
- Publication number
- JPS5798090U JPS5798090U JP17659380U JP17659380U JPS5798090U JP S5798090 U JPS5798090 U JP S5798090U JP 17659380 U JP17659380 U JP 17659380U JP 17659380 U JP17659380 U JP 17659380U JP S5798090 U JPS5798090 U JP S5798090U
- Authority
- JP
- Japan
- 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
Landscapes
- Helmets And Other Head Coverings (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17659380U JPS5934227Y2 (ja) | 1980-12-08 | 1980-12-08 | ヘルメツト用スピ−カ |
| GB8136495A GB2091519B (en) | 1980-12-08 | 1981-12-03 | Helmets |
| US06/327,695 US4424880A (en) | 1980-12-08 | 1981-12-04 | Acoustic device for a head protector |
| FR8122848A FR2495874A1 (fr) | 1980-12-08 | 1981-12-07 | Dispositif acoustique equipant un protege-tete |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17659380U JPS5934227Y2 (ja) | 1980-12-08 | 1980-12-08 | ヘルメツト用スピ−カ |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5798090U true JPS5798090U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1982-06-16 |
| JPS5934227Y2 JPS5934227Y2 (ja) | 1984-09-21 |
Family
ID=29969708
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17659380U Expired JPS5934227Y2 (ja) | 1980-12-08 | 1980-12-08 | ヘルメツト用スピ−カ |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5934227Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60327U (ja) * | 1983-06-16 | 1985-01-05 | パイオニア株式会社 | スピ−カ付きヘルメツト |
| JP2016131341A (ja) * | 2015-01-15 | 2016-07-21 | 株式会社オーディオテクニカ | 狭指向性マイクロホンおよびヘッドセットマイクロホン |
-
1980
- 1980-12-08 JP JP17659380U patent/JPS5934227Y2/ja not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60327U (ja) * | 1983-06-16 | 1985-01-05 | パイオニア株式会社 | スピ−カ付きヘルメツト |
| JP2016131341A (ja) * | 2015-01-15 | 2016-07-21 | 株式会社オーディオテクニカ | 狭指向性マイクロホンおよびヘッドセットマイクロホン |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5934227Y2 (ja) | 1984-09-21 |