Reproduction apparatus with audio directionality indication...

Electrical audio signal processing systems and devices – Sound effects

Reexamination Certificate

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Details

C381S124000, C381S306000

Reexamination Certificate

active

07602924

ABSTRACT:
A reproduction device has at least one screen for displaying information, with at least four sound reproduction devices respectively at the corners of the screen, which are separately driven depending on the local screen position of a user-relevant item of information such that direction information relating to the screen information is conveyed to the user by the resulting acoustic signal that is produced by the combined, individual driving, which is perceivable by the user.

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patent: 42 39 200 (1993-05-01), None
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“Multi-Channel Audio Device for Graphics Workstation” IBM Corp 1987, Aug. 1987, vol. 30, Nr. 3 pp. 1369-1370.

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