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CONVERTER CIRCUIT, ANALOG/DIGITAL CONVERTER, AND METHOD FOR GENERATING DIGITAL SIGNALS CORRESPONDING TO ANALOG SIGNALS

外国特許コード F110002587
整理番号 S2006-1058-C0
掲載日 2011年3月28日
出願国 世界知的所有権機関(WIPO)
国際出願番号 2007JP061633
国際公開番号 WO 2007/142327
国際出願日 平成19年6月8日(2007.6.8)
国際公開日 平成19年12月13日(2007.12.13)
優先権データ
  • 特願2006-160152 (2006.6.8) JP
発明の名称 (英語) CONVERTER CIRCUIT, ANALOG/DIGITAL CONVERTER, AND METHOD FOR GENERATING DIGITAL SIGNALS CORRESPONDING TO ANALOG SIGNALS
発明の概要(英語) A charge in accordance with an analog signal (Vi) is stored in each of first and second capacitors (25,27). A digital signal (VDIGN) having digital values (e.g., D1,D0) corresponding to the analog signal (Vi) is generated. The second capacitor (27) is connected between the output (21c) of an operational amplifier circuit (21) and an inverting input (21a) thereof, and an analog signal (VD/A) in accordance with the digital signal (VDIGN) is supplied to an end (25a) of the first capacitor, so that a first converted value (VOUT1) is developed at the output (21c) of the operational amplifier circuit (21). The first capacitor (25) and a third capacitor (33) are connected between the output (21c) of the operational amplifier circuit (21) and the inverting input (21a) thereof, and the analog signal (VD/A) is supplied to an end (27a) of the second capacitor, so that a second converted value (VOUT2) is developed at the output (21c) of the operational amplifier circuit (21).
  • 出願人(英語)
  • ※2012年7月以前掲載分については米国以外のすべての指定国
  • NATIONAL UNIVERSITY CORPORATION SHIZUOKA UNIVERSITY
  • 発明者(英語)
  • KAWAHITO, Shoji
国際特許分類(IPC)
指定国 AE(UTILITY MODEL),AG,AL(UTILITY MODEL),AM(PROVISIONAL PATENT)(UTILITY MODEL),AT(UTILITY MODEL),AU,AZ(UTILITY MODEL),BA,BB,BG(UTILITY MODEL),BH,BR(UTILITY MODEL),BW,BY(UTILITY MODEL),BZ(UTILITY MODEL),CA,CH,CN(UTILITY MODEL),CO(UTILITY MODEL),CR(UTILITY MODEL),CU(INVENTOR'S CERTIFICATE),CZ(UTILITY MODEL),DE(UTILITY MODEL),DK(UTILITY MODEL),DM,DO,DZ,EC(UTILITY MODEL),EE(UTILITY MODEL),EG(UTILITY MODEL),ES(UTILITY MODEL),FI(UTILITY MODEL),GB,GD,GE(UTILITY MODEL),GH,GM,GT,HN,HR(CONSENSUAL PATENT),HU(UTILITY MODEL),ID,IL,IN,IS,JP(UTILITY MODEL),KE(UTILITY MODEL),KG(UTILITY MODEL),KM,KN,KP(INVENTOR'S CERTIFICATE)(UTILITY MODEL),KR(UTILITY MODEL),KZ(PROVISIONAL PATENT)(UTILITY MODEL),LA,LC,LK,LR,LS(UTILITY MODEL),LT,LU,LY,MA,MD(UTILITY MODEL),MG,MK,MN,MW,MX(UTILITY MODEL),MY(UTILITY-INNOVATION),MZ(UTILITY MODEL),NA,NG,NI(UTILITY MODEL),NO,NZ,OM,PG,PH(UTILITY MODEL),PL(UTILITY MODEL),PT(UTILITY MODEL),RO,RS(PETTY PATENT),RU(UTILITY MODEL),SC,SD,SE,SG,SK(UTILITY MODEL),SL(UTILITY MODEL),SM,SV,SY,TJ(UTILITY MODEL),TM(PROVISIONAL PATENT),TN,TR(UTILITY MODEL),TT(UTILITY CERTIFICATE),TZ,UA(UTILITY MODEL),UG(UTILITY CERTIFICATE),US,UZ(UTILITY MODEL),VC(UTILITY CERTIFICATE),VN,ZA,ZM,ZW,EP(AT,BE,BG,CH,CY,CZ,DE,DK,EE,ES,FI,FR,GB,GR,HU,IE,IS,IT,LT,LU,LV,MC,MT,NL,PL,PT,RO,SE,SI,SK,TR),OA(BF(UTILITY MODEL),BJ(UTILITY MODEL),CF(UTILITY MODEL),CG(UTILITY MODEL),CI(UTILITY MODEL),CM(UTILITY MODEL),GA(UTILITY MODEL),GN(UTILITY MODEL),GQ(UTILITY MODEL),GW(UTILITY MODEL),ML(UTILITY MODEL),MR(UTILITY MODEL),NE(UTILITY MODEL),SN(UTILITY MODEL),TD(UTILITY MODEL),TG(UTILITY MODEL)),AP(BW,GH,GM,KE,LS,MW,MZ,NA,SD,SL,SZ,TZ,UG,ZM,ZW),EA(AM,AZ,BY,KG,KZ,MD,RU,TJ,TM)
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