Integrated circuit design for a personal use wireless communicat

Details Integrated circuit design for a personal use wireless communicat Integrated circuit design for a personal use wireless communicat

1997-04-02

1998-05-12

Le, Huyen

Electrical audio signal processing systems and devices

Sound effects

Reverberators

455 66, 455100, H04R 2500

Patent

active

057518203

ABSTRACT:
An integrated circuit chip set design for a wireless hearing aid communication system including a battery operated transceiver unit worn in the vicinity of the ear of the user and a compact battery operated transmitter/receiver unit worn by or in close range of the user. The basis of the integrated circuit chip set design is to optimize circuit size, speed, power, and manufacturability for a personal use wireless audio communication system using the reflective transmission technology. Power and speed consideration of the circuits are designed to accommodate wireless audio RF reflective transmissions for a close range to the user. The transceiver and the receiver of the system are designed to switch between certain transmission states in order to facilitate rapid switching between a first mode in which the transmitter is transmitting to the receiver and a second mode in which the transceiver is transmitting to the receiver. The circuits are also integrated using a GaAs process and are operated in the multi-GHz range so that the circuits dissipate relatively low power.

REFERENCES:
patent: 4334315 (1982-06-01), Ono et al.
patent: 5479522 (1995-12-01), Lindemann et al.
patent: 5621913 (1997-04-01), Tuttle et al.

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