| Original document(8 pages) 中文版 |
The sound-array acoustic equipment is a large-power one consisting of input units, audio amplifiers and loudspeakers. It is powered with a triphase transformerless circuit and its audio amplifiers and loudspeakers are connected in series. It may be used for large-scale meeting, theatrical performance and military drill as well as rural wirel broadcast network. |
Application Number
申请号 |
88109993 |
Application Date
申请日 |
1988.11.15 |
| Title 名称 |
Acoustic matrix-type audio equipment |
Publication Number
公开号 |
1046433 |
Publication Date
公开日 |
1990.10.24 |
| Approval Pub. Date |
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Granted Pub. Date |
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| International Classification 分类号 |
H04R5/04,H04S1/00 |
Applicant(s) Name
申请人 |
Xinsheng Factory, Nanjing |
| Address 地址 |
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| Inventor(s) Name 发明人 |
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| Attorney & Agent 代理人 |
LOU GAOCHAO |
| More information 更 多 信 息 |
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