Electroacoustic communications unit

Electroacoustic communications unit

  • CN 100,417,305 C
  • Filed: 10/04/1999
  • Issued: 09/03/2008
  • Est. Priority Date: 10/05/1998
  • Status: Active Grant
First Claim
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1. electroacoustic device that is used for personal communication, it comprises:

  • Shell, it has the inside and outside shell wall (10,11) of determining described shell,Hold in the shell, be used to produce the electroacoustic transducer (20) of acoustical signal, transducer (20) has vibrating membrane (21), described vibrating membrane (21) has front (22) and the back side (23), described transducer (20) has the center, and being disposed in the inside of shell wall (10), the front (22) of vibrating membrane is in the face of shell wall (10) simultaneouslyWherein between shell inside and outside, form acoustics and connect (41,42,43,44), on the lateral surface of shell, described acoustics connection all has an opening, and at least with respect to the some of them opening, on the lateral surface of shell, be identified for engaging the composition surface (33) of communicator and user'"'"'s ear (30), wherein the acoustics connection comprises;

    Start from the front (22) of vibrating membrane, and first acoustics that makes its opening be positioned at the boundary on composition surface (33) connect (41, L1, R1),Start from the back side (23) of vibrating membrane, and second acoustics that makes its opening be positioned at the boundary on composition surface (33) connect (42, L2, R2),Start from the back side (23) of vibrating membrane, and the 3rd outer acoustics of boundary that makes its opening be positioned at composition surface (33) connect (43, L3, R3),It is characterized in that also havingStart from the front (22) of vibrating membrane, and the outer falling tone of boundary that makes its opening be positioned at composition surface (33) learn and connect (44, L4, R4).

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