Personal wearable communication system with enhanced low frequen

Details Personal wearable communication system with enhanced low frequen Personal wearable communication system with enhanced low frequen

1995-03-08

1997-04-01

Isen, Forester W.

Electrical audio signal processing systems and devices

Binaural and stereophonic

Hearing aid

381183, 381 74, H04R 502

Patent

active

056174772

ABSTRACT:
A personal wearable portable communication and entertainment system which provides improved quality audio response and which does not interfere with the wearer's activities or block environmental sounds is disclosed. Transducers or speakers, which preferably are provided in arrayed pairs, are situated in a wearable structure, such as a garment for the wearer's torso or a headband for the wearer's head. The transducers are positioned on opposite sides of the wearer's torso or head, adjacent the ears. In one embodiment, the transducers share a common closed enclosure and are driven 180.degree. out of phase, so that back pressures cancel. In another embodiment, two hollow enclosures are provided, each with its own transducer and acoustic aperture. In a further embodiment, the transducers are positioned in a common hollow enclosure with at least one acoustic aperture between them. The speaker system is connected to or in communication with a conventional source of audio signals, such as a radio, tape player, CD player, cellular telephone or the like. With the invention, low frequency response in particular is enhanced.

REFERENCES:
patent: 3894196 (1975-07-01), Briskey
patent: 4110583 (1978-08-01), Lepper
patent: 4490842 (1984-12-01), Watanabe
patent: 5022486 (1991-06-01), Miura et al.
patent: 5138663 (1992-08-01), Moseley
patent: 5459290 (1995-10-01), Yamagishi

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