Volume reservation apparatus of an audio system and a method the

Details Volume reservation apparatus of an audio system and a method the Volume reservation apparatus of an audio system and a method the

1995-02-06

1997-08-26

Isen, Forester W.

Electrical audio signal processing systems and devices

Including amplitude or volume control

Automatic

381109, 381119, H03G 300

Patent

active

056618158

ABSTRACT:
A volume reservation apparatus of an audio system stores data corresponding to currently-produced volume of sound and volume reservation data corresponding to the volume preprogrammed by a user for calculating a difference between the data at the time of wake-up reservation to supply a stepper-motor driving pulse corresponding to the difference, so that the preprogammed volume of sound is produced at the time of reservation. Also, a volume reservation method is provided, thereby solving the inherent problem of unsatisfactory wake-up indication effect resulting from the supply of recently-set low volume at a preprogrammed wake-up time when the wake-up time is preprogrammed under low volume state or a sleep-time function is preprogrammed under low volume state prior to preprogramming the wake-up time.

REFERENCES:
patent: 4363001 (1982-12-01), Suzuki et al.
patent: 4402246 (1983-09-01), Ekiguchi
patent: 5054077 (1991-10-01), Suzuki
patent: 5268964 (1993-12-01), Watts

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