Communications: directive radio wave systems and devices (e.g. – With particular circuit – For frequency modulation
Reexamination Certificate
2005-02-23
2009-06-16
Sotomayor, John B (Department: 3662)
Communications: directive radio wave systems and devices (e.g.,
With particular circuit
For frequency modulation
C342S201000, C342S202000, C342S203000, C342S175000, C342S100000
Reexamination Certificate
active
07548195
ABSTRACT:
It is possible to generate D/A conversion voltage in which an error generated by numeric irregularities of a D/A conversion element such as resistor constituting a D/A converter11is corrected. A waveform generation method characterized in that input data into a D/A converter11are provided to the D/A converter in order at a timing at which a voltage of a desired waveform which has D/A conversion data indicating a conversion amount of the input data obtained by varying the input data by a minimum conversion unit or a unit obtained by multiplying the minimum conversion unit by an integer, and which varies with time series, becomes substantially equal to a D/A-converted voltage, whereby the D/A-converted voltage is generated in accordance with the desired waveform.
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Mitsubishi Denki & Kabushiki Kaisha
Oblon & Spivak, McClelland, Maier & Neustadt P.C.
Sotomayor John B
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