| 发明名称 |
SPEAKER GRILLE FOR ROOF-MOUNTED LIGHT/SIREN ASSEMBLY |
| 摘要 |
An improved speaker grille for incorporation in the housing of a light/siren assembly of a type which is mounted across the roof of a police car or other emergency vehicle, the improved grille being designed to significantly reduce the drag coefficient of the light/siren assembly due to the unique location of the grille openings. |
| 申请公布号 |
AU7487781(A) |
申请公布日期 |
1982.03.11 |
| 申请号 |
AU19810074877 |
申请日期 |
1981.09.02 |
| 申请人 |
FEDERAL SIGNAL CORP. |
发明人 |
MICHAEL V. MCCONNELL;PAUL D. GRAHAM |
| 分类号 |
G10K9/22;B60Q1/26;G08B5/00;G10K7/00;G10K9/12;G10K9/13;H04R1/02 |
主分类号 |
G10K9/22 |
| 代理机构 |
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代理人 |
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