KR830005771A - 아날로그 디지탈 변한기 및 디지탈 전압계 - Google Patents

아날로그 디지탈 변한기 및 디지탈 전압계 Download PDF

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Publication number
KR830005771A
KR830005771A KR1019810000809A KR810000809A KR830005771A KR 830005771 A KR830005771 A KR 830005771A KR 1019810000809 A KR1019810000809 A KR 1019810000809A KR 810000809 A KR810000809 A KR 810000809A KR 830005771 A KR830005771 A KR 830005771A
Authority
KR
South Korea
Prior art keywords
output
clock pulse
pulse generator
divider
integrator
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.)
Ceased
Application number
KR1019810000809A
Other languages
English (en)
Korean (ko)
Inventor
요시오 오구마
토시아끼 쓰까다
Original Assignee
요꼬가와 쇼오조오
가부시기 가이샤 요꼬가와 덴기 세이사꾸쇼
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 요꼬가와 쇼오조오, 가부시기 가이샤 요꼬가와 덴기 세이사꾸쇼 filed Critical 요꼬가와 쇼오조오
Publication of KR830005771A publication Critical patent/KR830005771A/ko
Ceased legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/145—Indicating the presence of current or voltage
    • G01R19/155—Indicating the presence of voltage
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/25—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using digital measurement techniques
    • G01R19/255—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using digital measurement techniques using analogue/digital converters of the type with counting of pulses during a period of time proportional to voltage or current, delivered by a pulse generator with fixed frequency
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/12—Analogue/digital converters

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Analogue/Digital Conversion (AREA)
  • Measurement Of Current Or Voltage (AREA)
KR1019810000809A 1980-09-09 1981-03-12 아날로그 디지탈 변한기 및 디지탈 전압계 Ceased KR830005771A (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP55125009A JPS5749866A (en) 1980-09-09 1980-09-09 Analog-digital converter and digital voltmeter
JP?125009? 1980-09-09

Publications (1)

Publication Number Publication Date
KR830005771A true KR830005771A (ko) 1983-09-09

Family

ID=14899600

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019810000809A Ceased KR830005771A (ko) 1980-09-09 1981-03-12 아날로그 디지탈 변한기 및 디지탈 전압계

Country Status (2)

Country Link
JP (1) JPS5749866A (enrdf_load_stackoverflow)
KR (1) KR830005771A (enrdf_load_stackoverflow)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5986331A (ja) * 1982-11-08 1984-05-18 Yokogawa Hokushin Electric Corp アナログ・デイジタル変換器
JPS6058721A (ja) * 1983-09-09 1985-04-04 Toshiba Corp Ａｄ変換回路
JPH0695642B2 (ja) * 1988-01-19 1994-11-24 横河電機株式会社 帰還パルス幅変調方式ａ／ｄ変換方法
JPH0295018A (ja) * 1988-09-30 1990-04-05 Yokogawa Electric Corp 帰還形パルス幅変調方式ａ／ｄ変換器
JPH0360525A (ja) * 1989-07-28 1991-03-15 Yokogawa Electric Corp Ｐｗｍ方式ａ／ｄ変換器
JP4526030B2 (ja) * 2005-07-27 2010-08-18 株式会社タニタ 帰還型パルス幅変調方式ａｄ変換器
JP5369969B2 (ja) 2009-07-31 2013-12-18 日本電気株式会社 電源ノイズ測定回路および測定方法
JP6371646B2 (ja) * 2014-09-04 2018-08-08 横河電機株式会社 帰還型パルス幅変調器

Also Published As

Publication number Publication date
JPH0365513B2 (enrdf_load_stackoverflow) 1991-10-14
JPS5749866A (en) 1982-03-24

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Legal Events

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PA0109 Patent application

Patent event code: PA01091R01D

Comment text: Patent Application

Patent event date: 19810311

PE0902 Notice of grounds for rejection

Comment text: Notification of reason for refusal

Patent event date: 19850207

Patent event code: PE09021S01D

PE0601 Decision on rejection of patent

Patent event date: 19850420

Comment text: Decision to Refuse Application

Patent event code: PE06012S01D

Patent event date: 19850207

Comment text: Notification of reason for refusal

Patent event code: PE06011S01I