DE3480892D1 - Doppel-integriertertyp-analog-digital-umsetzer. - Google Patents

Doppel-integriertertyp-analog-digital-umsetzer.

Info

Publication number
DE3480892D1
DE3480892D1 DE8484301007T DE3480892T DE3480892D1 DE 3480892 D1 DE3480892 D1 DE 3480892D1 DE 8484301007 T DE8484301007 T DE 8484301007T DE 3480892 T DE3480892 T DE 3480892T DE 3480892 D1 DE3480892 D1 DE 3480892D1
Authority
DE
Germany
Prior art keywords
digital converter
integrated type
analog digital
type analog
double integrated
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.)
Expired - Fee Related
Application number
DE8484301007T
Other languages
English (en)
Inventor
Kazufumi Naito
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
Ishida Co Ltd
Original Assignee
Ishida Scales Manufacturing Co Ltd
Ishida 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
Priority claimed from JP58025149A external-priority patent/JPS59149419A/ja
Priority claimed from JP58026642A external-priority patent/JPS6022630A/ja
Application filed by Ishida Scales Manufacturing Co Ltd, Ishida Co Ltd filed Critical Ishida Scales Manufacturing Co Ltd
Application granted granted Critical
Publication of DE3480892D1 publication Critical patent/DE3480892D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01G—WEIGHING
    • G01G23/00—Auxiliary devices for weighing apparatus
    • G01G23/18—Indicating devices, e.g. for remote indication; Recording devices; Scales, e.g. graduated
    • G01G23/36—Indicating the weight by electrical means, e.g. using photoelectric cells
    • G01G23/37—Indicating the weight by electrical means, e.g. using photoelectric cells involving digital counting
    • G01G23/3707—Indicating the weight by electrical means, e.g. using photoelectric cells involving digital counting using a microprocessor
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/10—Calibration or testing
    • H03M1/1009—Calibration
    • H03M1/1033—Calibration over the full range of the converter, e.g. for correcting differential non-linearity
    • H03M1/1038—Calibration over the full range of the converter, e.g. for correcting differential non-linearity by storing corrected or correction values in one or more digital look-up tables
    • H03M1/1047—Calibration over the full range of the converter, e.g. for correcting differential non-linearity by storing corrected or correction values in one or more digital look-up tables using an auxiliary digital/analogue converter for adding the correction values to the analogue signal

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • General Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Theoretical Computer Science (AREA)
  • Analogue/Digital Conversion (AREA)
DE8484301007T 1983-02-16 1984-02-16 Doppel-integriertertyp-analog-digital-umsetzer. Expired - Fee Related DE3480892D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP58025149A JPS59149419A (ja) 1983-02-16 1983-02-16 二重積分型ａ／ｄ変換器
JP58026642A JPS6022630A (ja) 1983-02-18 1983-02-18 電子秤

Publications (1)

Publication Number Publication Date
DE3480892D1 true DE3480892D1 (de) 1990-02-01

Family

ID=26362750

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8484301007T Expired - Fee Related DE3480892D1 (de) 1983-02-16 1984-02-16 Doppel-integriertertyp-analog-digital-umsetzer.

Country Status (4)

Country Link
US (1) US4620178A (de)
EP (1) EP0117132B1 (de)
AU (1) AU554437B2 (de)
DE (1) DE3480892D1 (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6052075A (en) * 1981-09-03 2000-04-18 Canon Kabushiki Kaisha Data processing device having a D/A function
EP0142703B1 (de) * 1983-10-24 1991-10-02 Intersil, Inc. Methode zur Bestimmung einer unbekannten Spannung und Dual-Slope AD-Wandler
DE3421873A1 (de) * 1984-06-13 1985-12-19 Brown, Boveri & Cie Ag, 6800 Mannheim Messverfahren zur ermittlung der differenz zwischen einer wechselspannung und einer zweiten spannung sowie messvorrichtung zu seiner anwendung
DE3513247A1 (de) * 1985-04-13 1986-10-16 Brown, Boveri & Cie Ag, 6800 Mannheim Messverfahren zur bestimmung des schleifen- oder innenwiderstandes eines wechselstromnetzes und vorrichtung zur anwendung des verfahrens
JPS61251235A (ja) * 1985-04-29 1986-11-08 Ishida Scales Mfg Co Ltd 二重積分型ａ−ｄ変換器
US4675649A (en) * 1985-09-11 1987-06-23 Halliburton Company Apparatus and method for interfacing a transducer
US4939520A (en) * 1988-10-26 1990-07-03 Analogic Corporation Analog to digital converter using an integrator having a partially controlled output signal
US5128676A (en) * 1990-06-05 1992-07-07 Blh Electronics, Inc. Variable conversion rate analog-to-digital converter
US5081454A (en) * 1990-09-04 1992-01-14 Motorola, Inc. Automatic a/d converter operation using programmable sample time
US5262780A (en) * 1990-12-14 1993-11-16 Laurel Electronics, Inc. Analog to digital converter with conversion rate inverse to the integration period
DE4103150C1 (de) * 1991-02-02 1992-04-16 Blaupunkt-Werke Gmbh, 3200 Hildesheim, De
EP0628227A4 (de) * 1992-02-25 1995-11-08 Laurel Electronics Inc Analog-digitalwandler mit umsetzungsrate entgegen der integrationsperiode.
US5302952A (en) * 1992-08-28 1994-04-12 Motorola, Inc. Automatic A/D converter operation with pause capability
JP6270403B2 (ja) * 2013-10-18 2018-01-31 ルネサスエレクトロニクス株式会社 半導体装置及び電子制御装置
JP6293516B2 (ja) * 2014-02-28 2018-03-14 ローム株式会社 ２重積分型ａ／ｄ変換器

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5816136B2 (ja) * 1976-01-24 1983-03-29 株式会社クボタ 電子式計重機
US4204197A (en) * 1977-08-15 1980-05-20 Reliance Electric Company Digital scale
JPS5442969A (en) * 1977-09-09 1979-04-05 Nec Corp Analog-digital converter
JPS5815982B2 (ja) * 1978-06-30 1983-03-29 株式会社東芝 アナログ↓−デジタル変換回路
US4404545A (en) * 1979-02-13 1983-09-13 Sharp Kabushiki Kaisha Analog-to-digital converter of the dual slope type
JPS5614721A (en) * 1979-07-16 1981-02-13 Toko Inc Analog-digital converter
JPS5821921A (ja) * 1981-07-31 1983-02-09 Shimadzu Corp Ａ−ｄ変換器

Also Published As

Publication number Publication date
AU2459984A (en) 1984-08-23
AU554437B2 (en) 1986-08-21
US4620178A (en) 1986-10-28
EP0117132A3 (en) 1987-05-13
EP0117132A2 (de) 1984-08-29
EP0117132B1 (de) 1989-12-27

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee