Electrical audio signal processing systems and devices – Hearing aids – electrical – Specified casing or housing
Reexamination Certificate
2008-01-29
2008-01-29
Tran, Sinh (Department: 2615)
Electrical audio signal processing systems and devices
Hearing aids, electrical
Specified casing or housing
C381S328000, C381S330000
Reexamination Certificate
active
07324653
ABSTRACT:
A suspension tube for a transducer, wherein the suspension tube also functions as a sound-guide for directing sound between the transducer and the external cabinet of an audio processing device, wherein the suspension tube has means for forming a connection with the inlet/outlet of the transducer at a first end and means for forming a connection with the cabinet wall of the audio processing device at a second end in order to guide sound through the tube, and wherein the intermediate part of the tube in the length direction has alternating wide and narrow parts.
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Dykema Gossett PLLC
Oticon A/S
Saunders, Jr. Joseph
Tran Sinh
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