Title:
METHOD AND CIRCUIT FOR CONTROLLING MULTI-PURPOSE LOUDSPEAKER BY USING BUS
Document Type and Number:
WIPO Patent Application WO/2017/193301
Kind Code:
A1
Abstract:
A method and circuit for controlling a multi-purpose loudspeaker by using a bus. The circuit comprises: a bus signal transceiver unit (110), used for receiving and sending a loudspeaker control instruction of a vehicular computer controller by means of a bus; a control unit (120), used for generating, according to the loudspeaker control instruction, a loudspeaker sound production signal satisfying a current scenario; and a loudspeaker sounding production unit (130), used for producing sound according to the loudspeaker sound production signal. In the method and the circuit, a loudspeaker is connected to a vehicular computer controller by means of a bus, the vehicular computer controller controls sound production of the loudspeaker, and sound production requirements of loudspeakers having multiple different purposes on vehicular transportation means and engineering machines can be satisfied.
Inventors:
WAN YU (CN)
Application Number:
PCT/CN2016/081687
Publication Date:
November 16, 2017
Filing Date:
May 11, 2016
Export Citation:
Assignee:
WAN YU (CN)
International Classes:
B60Q5/00; G10K9/12; H03J3/20
Foreign References:
| CN102700459A | 2012-10-03 | |||
| CN2741819Y | 2005-11-23 | |||
| CN102765349A | 2012-11-07 | |||
| CN204055552U | 2014-12-31 | |||
| CN204161358U | 2015-02-18 |
Other References:
See also references of EP 3456588A4
Attorney, Agent or Firm:
E-TONE INTELLECTUAL PROPERTY FIRM (CN)
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