Wireless transmitting and receiving systems including ear microp

Details Wireless transmitting and receiving systems including ear microp Wireless transmitting and receiving systems including ear microp

1980-05-05

1982-06-08

Ng, Jin F.

Telecommunications

Carrier wave repeater or relay system

Portable or mobile repeater

455 41, 455 89, 455100, 455351, 179107BC, H04B 715, H04B 138

Patent

active

043343155

ABSTRACT:
A wireless transmitting and receiving system includes an ear microphone of the vibration pick-up type for picking up bone-conducted voice signals through an external auditory ear canal wall of a wearer. A portable case is disposed adjacent the wearer's ear and a wireless device is attached adjacent the wearer but spaced from the portable case. A transmitter of a transmitting circuit for transmitting the output signals of the ear microphone is housed in the portable case. A receiver of a receiving circuit is housed in the wireless device and receives signals from outside the system. The transmitting and receiving circuits provide a wireless connection between the portable case and the wireless device permitting two-way communication through one ear of the wearer.

REFERENCES:
patent: 2535063 (1950-12-01), Halstead
patent: 3258533 (1966-06-01), Bredon
patent: 3819860 (1974-06-01), Miller
patent: 3868572 (1975-02-01), Kaufman et al.
patent: 3869584 (1975-03-01), Wilde
patent: 4150262 (1979-04-01), Ono

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