Audio equipment

Details Audio equipment Audio equipment

1991-12-05

1993-02-23

Dwyer, James L.

Electrical audio signal processing systems and devices

Including amplitude or volume control

381107, 381108, 381109, H03G 300

Patent

active

051897059

ABSTRACT:
An arrangement for adjusting the volume of a played-back signal by a microprocessor from an audio system, in which the volume is increased incrementally by a pulse generator. The instantaneous level of volume is tested constantly to determine whether it is equal to or higher than an previously-stored threshold. Further increase in volume is inhibited after the threshold has been attained, so that the current volume level is retained independent of actuation of volume controls. By actuating a switch, the volume may be further increased even after the threshold has been exceeded.

REFERENCES:
patent: 4706294 (1987-11-01), Ouchida
patent: 4913025 (1990-04-01), Nakano
patent: 4962545 (1990-10-01), Klaczak

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