Supersonic bone conduction hearing aid and method

Details Supersonic bone conduction hearing aid and method Supersonic bone conduction hearing aid and method

1989-05-30

1991-01-01

Ng, Jin F.

Electrical audio signal processing systems and devices

Sound effects

Reverberators

381 68, 1284205, H04R 2500

Patent

active

049824341

ABSTRACT:
A supersonic bone conduction hearing aid that receives conventional audiometric frequencies and converts them to supersonic frequencies for connection to the human sensory system by vibration bone ocnduction. The hearing is believed to use channels of communications to the brain that are not normally used for hearing. These alternative channels do not deteriorate significantly with age as does the normal hearing channels. The supersonic bone conduction frequencies are discerned as frequencies in the audiometric range of frequencies.

REFERENCES:
patent: 3594514 (1971-07-01), Wingrove
patent: 3629521 (1971-12-01), Puharich
patent: 4025732 (1977-05-01), Traunmuller
patent: 4419544 (1983-12-01), Adelman
Letter by R. J. Pumphrey headed "Upper Limit of Frequency for Human Hearing" to Nature Magazine, Sep. 30, 1950.
"A Note on the Audibility of Intense Ultrasonic Sound", Journal of the Acoustic Society of America, vol. 26, p. 822, 1954.
"Perception of Utrasound" by Haeff and Knox, Science, vol. 139, pp. 590-592, Jan. 10, 1963.
"Introduction to Communication Systems", Second Edition, Ferrel G. Stremler, pp. 136-141, 1982.

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