Acoustic antenna for computer workstation

Details Acoustic antenna for computer workstation Acoustic antenna for computer workstation

1996-12-18

1998-12-08

Isen, Forester W.

Electrical audio signal processing systems and devices

Directive circuits for microphones

381365, 381 91, H04R 300

Patent

active

058481702

ABSTRACT:
An acoustic antenna for computer workstation, used for video conferencing that comprises a plurality of microphones connected to a summator circuit. The microphones are distributed in a layout so as to form a substantially straight line and are each spaced with respect to a reference microphone placed in the vicinity of the vertical axis of symmetry of the screen of the workstation according to a specified law. The layout exhibits a substantially cylindrical directivity pattern whose axis of revolution is formed by the straight line.

REFERENCES:
patent: 2810786 (1957-10-01), Spandock et al.
patent: 4559642 (1985-12-01), Miyaji et al.
patent: 4578543 (1986-03-01), LeBourlot et al.
patent: 4703506 (1987-10-01), Sakamoto et al.
patent: 5657393 (1997-08-01), Crow
Patent Abstracts of Japan; vol. 5, No. 27 (E-046), 18 Feb. 1981 & JP-A-55 151897 (Matsushita), 26 Nov. 1980; ** abstract **.

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