Electrical audio signal processing systems and devices
Electro-acoustic audio transducer
Having acoustic wave modifying structure
Inventor
active
1,1-Di(C.sub.1 -C.sub.6 -alkyl)-2-phenyl-ethane derivatives as p
Apparatus for on-ear operation and off-ear operation with...
Apparatus for operation in an on-ear mode and an off-ear mode
Apparatus having a housing which accommodates a sound...
Apparatus having an electroacoustic transducer mounted on a...
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