Yamaji Takafumi
Department SOJO UNIVERSITY Department of Computer and Information Sciences, FACULTY OF COMPUTER AND INFORMATIONSCIENCES /(DC)Division of Applied Information Sciences, Graduate School of Engineering /Division of Applied Information Sciences, Graduate School of Engineering Position |
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Country of acquisition | Foreign country (米国) |
Patent No. | USP 7,884,749 |
Date of Grant | 2011/02/08 |
Patent Title | A/D converting apparatus |
Details | An A/D converting apparatus includes a first A/D converter to sample an analog input signal having a D/A converter to generate a comparative signal for successive comparison with the analog input signal, a signal generator generate a differential signal between the analog input signal and the comparative signal, and a comparator to compare the comparative signal with a standard value to generate a first digital signal exhibiting high-order bit; an amplifier to amplify the differential signal to generate a residue signal; and a second A/D converter to sample the residue signal to generate a second digital signal exhibiting low-order bit. |