US 11,950,037 B2
External microphone combined with a heating system
Karl Warren Frisch Cressman, Farmington Hills, MI (US)
Assigned to Panasonic Automotive Systems Company of America, Division of Panasonic Corporation of North America, Peachtree City, GA (US)
Filed by Panasonic Automotive Systems Company of America, Division of Panasonic Corporation of North America, Peachtree City, GA (US)
Filed on Mar. 15, 2022, as Appl. No. 17/695,561.
Claims priority of provisional application 63/164,426, filed on Mar. 22, 2021.
Prior Publication US 2022/0303655 A1, Sep. 22, 2022
Int. Cl. H04R 1/08 (2006.01); H04R 1/04 (2006.01); H04R 3/00 (2006.01); H05B 3/22 (2006.01)
CPC H04R 1/083 (2013.01) [H04R 1/04 (2013.01); H04R 3/00 (2013.01); H05B 3/22 (2013.01); H04R 2499/13 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A microphone arrangement for a surface vehicle, the microphone arrangement comprising:
a microphone configured to detect sounds originating outside of the surface vehicle;
a printed circuit board electrically connected to the microphone, the printed circuit board having a heating element attached thereto; and
a vehicle body, the microphone and printed circuit board being disposed within the body, the body including a through-hole, the microphone being configured to receive the sounds originating outside of the surface vehicle via the through-hole, the heating element being configured to provide heat for preventing accumulation of ice in the through-hole.