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1. US20110268292 - Apparatus

Office United States of America
Application Number 12459233
Application Date 29.06.2009
Publication Number 20110268292
Publication Date 03.11.2011
Grant Number 09294832
Grant Date 22.03.2016
Publication Kind B2
IPC
H04R 1/02
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
1Details of transducers
02Casings; Cabinets; Mountings therein
H04R 1/32
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
1Details of transducers
20Arrangements for obtaining desired frequency or directional characteristics
32for obtaining desired directional characteristic only
Applicants Mikko Veli Aimo Suvanto
Nokia Technologies Oy
Koray Ozcan
Inventors Mikko Veli Aimo Suvanto
Koray Ozcan
Agents Harrington & Smith
Title
(EN) Apparatus
Abstract
(EN)

Apparatus including: an acoustic transducer, and a sound channel coupled to the acoustic transducer, the sound channel including an element having a shape that is electrically controllable, wherein the shape of the element is electrically controllable to change the acoustic properties of the sound channel.