发明名称 DEM KOPF EINER PERSON ZUGEORDNETE TONWIEDERGABEEINRICHTUNG
摘要 To avoid the disadvantages of known headsets, and in particular to ensure comfortable use, a sound playback system for wearing as a headset (1) is equipped with at least one sound source (3) for example a small speaker, in which the sound source (3) or sources (3) is (are) combined with a soft head piece (9) or overlay, and a connection (5) is incorporated therein for a tape recorder.
申请公布号 DE3524487(A1) 申请公布日期 1987.01.15
申请号 DE19853524487 申请日期 1985.07.09
申请人 EVER CLEAN GMBH H.W.NIXDORF 发明人 WILLI NIXDORF,HANS
分类号 A63H3/33;H04R1/10;H04R5/02;(IPC1-7):H04R1/02;A47C7/72;A47G9/00;A63H3/36 主分类号 A63H3/33
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