H - Electricity – 04 – R
Patent
H - Electricity
04
R
H04R 5/027 (2006.01) H04R 5/02 (2006.01) H04R 5/04 (2006.01) H04S 3/00 (2006.01)
Patent
CA 2076288
-27- A sound receiving and sound reproduction apparatus includes a microphone and loud speaker. The microphone has a cylindrical transducer housing with a centre section to and two end sections. The centre section has elliptical end faces that converge mirror-symmetrically downwardly and towards the front of the microphone. The end sections are solid blocks that are spaced from the centre section and have similarly oriented end faces. In the loudspeaker, there are three components, a center unit with center and end sections spaced slightly along a common axis and two end components spaced to opposite ends of the centre unit . In each case, the speakers radiate through elliptical gaps that converge upwardly to a centre plane of the loudspeaker unit. Aperiodic chambers are connected to each of the units of the loudspeaker.
Battison Williams Dupuis
Wehner Raymond
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