Interface for serial data trasmission between a hearing aid and

Details Interface for serial data trasmission between a hearing aid and Interface for serial data trasmission between a hearing aid and

1994-03-28

1996-05-07

Isen, Forester W.

Electrical audio signal processing systems and devices

Sound effects

Reverberators

381 68, 381 692, H04R 2500

Patent

active

055154433

ABSTRACT:
An interface for serial data transmission between a hearing aid and a control device has a first data terminal for bi-directional data transmission to and from the hearing aid, a second data terminal for receiving a data format containing a start bit from the control device, and a third data terminal for data to be received by the control device, plus at least one coupler for data transmission from the second terminal to the first data terminal and at least one coupler for data transmission from the first data terminal to the third data terminal. The two couplers have an interactive (shared) connection which is normally placed at a first logic level, but which can be modified to a second logic level by signals either from the control device or from the hearing aid. The logic level at which the interactive connection is set determines which path data will be transmitted between respective terminals.

REFERENCES:
patent: 4531229 (1985-07-01), Coulter
patent: 4759070 (1988-07-01), Voroba et al.
patent: 4961230 (1990-10-01), Rising
patent: 4989251 (1991-01-01), Mangold
patent: 5014319 (1991-05-01), Leibman
"Halbleiterschaltungstechnik," Titze et al., 6th Edition, 1983, pp. 658-651 .

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