Remote siren headset

Details Remote siren headset Remote siren headset

1993-07-28

1994-12-20

Isen, Forester W.

Electrical audio signal processing systems and devices

Acoustical noise or sound cancellation

Adjacent ear

G10K 1116

Patent

active

053751744

ABSTRACT:
A wireless remote active noise canceling headset including residual microphones (35, 34) mounted on the headset (30) with speakers (32, 33) located adjacent to the residual microphones and an algorithm driven synchronous controller to operate said headset.

REFERENCES:
patent: 4654871 (1987-03-01), Chaplin et al.
patent: 4845751 (1989-07-01), Schwab
patent: 4878188 (1989-10-01), Ziegler, Jr.
M. S. Roden, "Digital Communication Systems Design," Sections 5.6-5.9, 12.1 (1988).
Product Description "Bestlan", A Wireless LAN Interface for PCs.

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