JPS61251235A - 二重積分型ａ−ｄ変換器 - Google Patents

二重積分型ａ−ｄ変換器

Info

Publication number
JPS61251235A
JPS61251235A JP9201885A JP9201885A JPS61251235A JP S61251235 A JPS61251235 A JP S61251235A JP 9201885 A JP9201885 A JP 9201885A JP 9201885 A JP9201885 A JP 9201885A JP S61251235 A JPS61251235 A JP S61251235A
Authority
JP
Japan
Prior art keywords
integrator
comparator
output
offset correction
mode
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP9201885A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0583007B2 (https=
Inventor
Kazufumi Naito
和文 内藤
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ishida Scales Manufacturing Co Ltd
Original Assignee
Ishida Scales Manufacturing Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ishida Scales Manufacturing Co Ltd filed Critical Ishida Scales Manufacturing Co Ltd
Priority to JP9201885A priority Critical patent/JPS61251235A/ja
Priority to NZ215959A priority patent/NZ215959A/en
Priority to AU56788/86A priority patent/AU583617B2/en
Priority to US06/856,963 priority patent/US4739305A/en
Priority to EP86303253A priority patent/EP0200533B1/en
Priority to DE8686303253T priority patent/DE3687997T2/de
Publication of JPS61251235A publication Critical patent/JPS61251235A/ja
Priority to AU30997/89A priority patent/AU3099789A/en
Publication of JPH0583007B2 publication Critical patent/JPH0583007B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Analogue/Digital Conversion (AREA)
JP9201885A 1985-04-29 1985-04-29 二重積分型ａ−ｄ変換器 Granted JPS61251235A (ja)

Priority Applications (7)

Application Number Priority Date Filing Date Title
JP9201885A JPS61251235A (ja) 1985-04-29 1985-04-29 二重積分型ａ−ｄ変換器
NZ215959A NZ215959A (en) 1985-04-29 1986-04-28 Double integral a/d converter with auto-zero offset correction
AU56788/86A AU583617B2 (en) 1985-04-29 1986-04-29 Double integral type a/d converter
US06/856,963 US4739305A (en) 1985-04-29 1986-04-29 Double integral type A/D converter
EP86303253A EP0200533B1 (en) 1985-04-29 1986-04-29 Double integral type a/d converter
DE8686303253T DE3687997T2 (de) 1985-04-29 1986-04-29 A/d-wandler des doppelintegrationstyps.
AU30997/89A AU3099789A (en) 1985-04-29 1989-03-06 Double integral type a/d converter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9201885A JPS61251235A (ja) 1985-04-29 1985-04-29 二重積分型ａ−ｄ変換器

Publications (2)

Publication Number Publication Date
JPS61251235A true JPS61251235A (ja) 1986-11-08
JPH0583007B2 JPH0583007B2 (https=) 1993-11-24

Family

ID=14042790

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9201885A Granted JPS61251235A (ja) 1985-04-29 1985-04-29 二重積分型ａ−ｄ変換器

Country Status (2)

Country Link
JP (1) JPS61251235A (https=)
AU (2) AU583617B2 (https=)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH033519A (ja) * 1989-05-31 1991-01-09 Teraoka Seiko Co Ltd 積分型ａ／ｄ変換器
JPH0332115A (ja) * 1989-06-28 1991-02-12 Ishida Scales Mfg Co Ltd 二重積分型アナログ―ディジタル変換装置
JP2012195764A (ja) * 2011-03-16 2012-10-11 Ricoh Co Ltd Ａｄ変換器、ダイヤル式入力装置、及び抵抗−電圧変換回路

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4688017A (en) * 1986-05-20 1987-08-18 Cooperbiomedical, Inc. Optical detector circuit for photometric instrument

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4942271A (https=) * 1972-03-06 1974-04-20

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU554437B2 (en) * 1983-02-16 1986-08-21 Ishida Koki Seisakusho K.K. Double integrating type a/d converter

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4942271A (https=) * 1972-03-06 1974-04-20

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH033519A (ja) * 1989-05-31 1991-01-09 Teraoka Seiko Co Ltd 積分型ａ／ｄ変換器
JPH0332115A (ja) * 1989-06-28 1991-02-12 Ishida Scales Mfg Co Ltd 二重積分型アナログ―ディジタル変換装置
JP2012195764A (ja) * 2011-03-16 2012-10-11 Ricoh Co Ltd Ａｄ変換器、ダイヤル式入力装置、及び抵抗−電圧変換回路

Also Published As

Publication number Publication date
AU5678886A (en) 1986-11-06
AU3099789A (en) 1989-06-22
AU583617B2 (en) 1989-05-04
JPH0583007B2 (https=) 1993-11-24

Similar Documents

Publication Publication Date Title
US6473018B2 (en) Delta sigma analog-to-digital converter
US4926178A (en) Delta modulator with integrator having positive feedback
JPS61251235A (ja) 二重積分型ａ−ｄ変換器
US5182561A (en) Integrated converter with gate for supplying integrating dock pulses to counters only during reference signal integrating period
JPS6135729B2 (https=)
WO1987002203A1 (en) Dual slope converter with large apparent integrator swing
JP2009229165A (ja) クーロンカウンタ、その内部電源制御方法
JPS6327114A (ja) スイツチ制御回路
JPH05243857A (ja) オフセット不感型スイッチトキャパシタ増幅回路
JP3453826B2 (ja) 積分値または平均値を得る演算器
RU2024195C1 (ru) Преобразователь напряжения в частоту
JPH0795690B2 (ja) Ａ／ｄ変換器
JPH0652871B2 (ja) Ａ／ｄコンバ−タ
KR900008852Y1 (ko) 자동 트래킹 조절회로
JPS59224917A (ja) デイジタル・アナログ変換器
JPH0241954Y2 (https=)
JPH0652870B2 (ja) Ａ／ｄコンバ−タ
JP2613903B2 (ja) 積分型アナログ−デジタル変換器
JPS6349409B2 (https=)
JPH02104129A (ja) アナログ／ディジタル変換器
JPS5950612A (ja) Ａ−ｄ変換器
JPS60154399A (ja) サンプルホ−ルド回路
SU312279A1 (ru) Аналого-цифровой преобразователь
JPH01101706A (ja) デルタ変調回路
JPH0114729B2 (https=)

Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term