Patent ID: 9668055
Date: 2017-05-30
CPC Classifications: G11B,H04R

Claim:
1. A Portable sound recorder, comprising: a plurality of microphones arranged for picking up voices or sounds from an external environment; a protective outer shell enclosing: a logic unit programmed or configured for processing the electrical or opto-electronic signals emitted by the plurality of microphones improving the quality of the voices or sounds recorded; a mass memory arranged for memorizing and storing and/or conserve the voices or sounds picked up by the plurality of microphones; and an electric power supply powering the logic unit and the mass memory; wherein: the plurality of microphones comprises at least three microphones of the Micro-ElectroMechanical System (MEMS) type; the plurality of MEMS microphones are aligned so as to form a row of at least three or four microphones; the protective outer shell encloses at least three MEMS microphones; and the plurality of MEMS microphones are arranged at a maximum distance, any one from any other, equal to or less than 3.5 centimeters.