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专利名称：Adaptation of the volume of an incoming
ringing acoustic signal to the environment
发明人：JONCOUR, YANN,LUCAT, LAURENT申请号：EP02077762.9申请日：20020709公开号：EP1278360A1公开日：20030122
专利附图：
摘要：The confined space acoustic ring tone adjustment system has a transmitter (36)with variable sound level and adjustment (351) of the sound level. The sound in theenclosed space is detected (347,FER) to determine the enclosure size and a control
mechanism (349) to adjust the regulation of the ring tone sound control following thedetection result.
申请人：KONINKLIJKE PHILIPS ELECTRONICS N.V.
地址：Groenewoudseweg 1 5621 BA Eindhoven NL
国籍：NL
代理机构：Chaffraix, Jean
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