Coded data generation or conversion – Analog to or from digital conversion – Digital to analog conversion
Patent
1989-06-28
1990-08-07
Shoop, Jr., William M.
Coded data generation or conversion
Analog to or from digital conversion
Digital to analog conversion
341118, H03M 168
Patent
active
049471724
ABSTRACT:
A digital/analog conversion circuit including plurality of digital/analog converters, a signal synthesizing circuit and a data converting section. The digital/analog converters convert their digital data to corresponding analog signals. The signal synthesizing circuit additively synthesizes respective outputs of the digital/analog converters in a predetermined synthesizing ratio. The data coverting section is provided at an input side of at least one of the digital/analog converters to convert input digital data to data for correcting errors emerging from the output of the signal synthesizing means due to errors among the digital/analog converters and to supply the correcting data to the following digital/analog converter.
REFERENCES:
patent: 4070665 (1978-01-01), Glennon et al.
patent: 4340882 (1982-07-01), Maio et al.
patent: 4465996 (1984-08-01), Boyacigiller et al.
Hoff Marc S.
Kabushiki Kaisha Toshiba
Shoop Jr. William M.
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