Tone generation method and apparatus using stored reference cali

Details Tone generation method and apparatus using stored reference cali Tone generation method and apparatus using stored reference cali

1980-12-18

1983-07-19

Wise, Edward J.

Boots, shoes, and leggings

364607, 364718, 179 84VF, 340347DA, G10H 510, H04M 150

Patent

active

043947433

ABSTRACT:
A tone generator operates in a multiplicative (19) manner with respect to a reference signal (20) for providing a selectable sequence of tones. A digital calibration coefficient is constructed for at least one tone for modifying (22) the reference signal to a value that produces a predetermined output amplitude for the tone. The coefficient is stored (16) for subsequent recall each time the predetermined output amplitude for the tone is required.

REFERENCES:
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patent: 4017693 (1977-04-01), Roche et al.
patent: 4058805 (1977-11-01), Lake
patent: 4066977 (1978-01-01), Chambers et al.
patent: 4110567 (1978-08-01), Boucher
patent: 4132871 (1979-01-01), Lake
patent: 4161633 (1979-07-01), Treiber
patent: 4196318 (1980-04-01), Nelson
patent: 4201105 (1980-05-01), Alles
patent: 4227248 (1980-10-01), Munter

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