G - Physics – 10 – H
Patent
G - Physics
10
H
354/46
G10H 7/06 (2006.01) G10H 1/08 (2006.01)
Patent
CA 1167966
ABSTRACT OF THE DISCLOSURE A waveform synthesizing apparatus is provided for pro- ducing a desired synthesized waveform by adding partial waveforms together. In this apparatus, the times within a cycle wherein a fundamental and harmonics of a desired wave to be output are stored in the circuitry. Peak values of each partial waveform are formed at the prestored times and output at frequencies, which correspond to or exceed sampling frequencies required by each partial waveform. These partial outputs are fed to loww pass filters. Each filter has a cut-off frequency component cor- responding to each of the output frequencies to remove there- from clock components. Outputs of the low-pass filters are added together to obtain a synthesized waveform.
358822
Gowling Lafleur Henderson Llp
Sony Corporation
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