Location recognition system using stereophonic sound,...

Details Location recognition system using stereophonic sound,... Location recognition system using stereophonic sound,...

2006-05-30

2009-02-17

Pihulic, Dan (Department: 3662)

Communications, electrical: acoustic wave systems and devices

Echo systems

Distance or direction finding

Reexamination Certificate

active

07492667

ABSTRACT:
A location recognition system and method using stereophonic sound, the system having a transmitter and a receiver. The transmitter uses the stereophonic sound and transmits location tracking information of an object. The transmitter includes a sound detector which detects a sound of the object and converts the detected sound to an electrical signal; a data converter which converts the electrical signal converted by the sound detector, to acoustic data; and a first communication interface which transmits the acoustic data converted by the data converter and the location tracking information to the receiver. A user can immediately recognize the location of the transmitter which transmits the location tracking information and is the target of the location tracking. Therefore, the mutual communications between the transmitter and the receiver which receives the location tracking information can be smoothly carried out.

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patent: 2003/0223602 (2003-12-01), Eichler et al.
patent: 2007/0037583 (2007-02-01), Kim et al.
patent: 1 296 155 (2003-03-01), None
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patent: 2007035043 (2007-02-01), None
patent: WO 02/067007 (2002-08-01), None

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