Directional microphone assembly for mounting behind a surface

Details Directional microphone assembly for mounting behind a surface Directional microphone assembly for mounting behind a surface

2006-09-19

2006-09-19

Pendleton, Brian T. (Department: 2615)

Electrical audio signal processing systems and devices

Vehicle

C381S356000, C381S357000

Reexamination Certificate

active

07110553

ABSTRACT:
A directional microphone assembly suitable for subsurface mounting. A directional pickup pattern is developed from the outputs of a plurality of omnidirectional microphone elements mounted in an assembly behind a surface such that their acoustic excitation comes from the opposite side of the surface through small openings in the surface. The openings may have varying dimensions and may be covered with acoustically semi-transparent material without significantly degrading the assembly frequency response or polar pattern. Precautions are taken to ensure design robustness considering practical microphone element characteristics and potential high levels of low-frequency excitation.

REFERENCES:
patent: 3995124 (1976-11-01), Gabr
patent: 4399327 (1983-08-01), Yamamoto et al.
patent: 4629828 (1986-12-01), Umebayashi
patent: 4827520 (1989-05-01), Zeinstra
patent: 4875229 (1989-10-01), Palett et al.
patent: 5058170 (1991-10-01), Kanamori et al.
patent: 5325435 (1994-06-01), Date et al.
patent: 5373555 (1994-12-01), Norris et al.
patent: 5473684 (1995-12-01), Bartlett et al.
patent: 5515445 (1996-05-01), Baumhauer et al.
patent: 5757933 (1998-05-01), Preves et al.
patent: 5778083 (1998-07-01), Godfrey
patent: 6122389 (2000-09-01), Grosz
patent: 6332028 (2001-12-01), Marash
patent: 6831987 (2004-12-01), Killion et al.
patent: 0033396 (1983-02-01), None

Affiliated with

Also associated with

Rating

Directional microphone assembly for mounting behind a surface does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Directional microphone assembly for mounting behind a surface, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Directional microphone assembly for mounting behind a surface will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3570342