DE3683765D1 - Potentiometer fuer ein spannungsmessinstrument. - Google Patents

Potentiometer fuer ein spannungsmessinstrument.

Info

Publication number
DE3683765D1
DE3683765D1 DE8686304175T DE3683765T DE3683765D1 DE 3683765 D1 DE3683765 D1 DE 3683765D1 DE 8686304175 T DE8686304175 T DE 8686304175T DE 3683765 T DE3683765 T DE 3683765T DE 3683765 D1 DE3683765 D1 DE 3683765D1
Authority
DE
Germany
Prior art keywords
bank
resistors
multiplier
potentiometer
variable resistor
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
DE8686304175T
Other languages
English (en)
Inventor
Soichiro Yasunaga
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.)
RIKEN DENSHI CO
Original Assignee
RIKEN DENSHI CO
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 RIKEN DENSHI CO filed Critical RIKEN DENSHI CO
Application granted granted Critical
Publication of DE3683765D1 publication Critical patent/DE3683765D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
    • G01R1/20—Modifications of basic electric elements for use in electric measuring instruments; Structural combinations of such elements with such instruments
    • G01R1/203—Resistors used for electric measuring, e.g. decade resistors standards, resistors for comparators, series resistors, shunts
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
    • G01R15/002—Switches for altering the measuring range or for multitesters
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
    • G01R15/08—Circuits for altering the measuring range

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
DE8686304175T 1986-03-06 1986-06-02 Potentiometer fuer ein spannungsmessinstrument. Expired - Fee Related DE3683765D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP61049251A JPH077016B2 (ja) 1986-03-06 1986-03-06 電圧測定器用分圧器

Publications (1)

Publication Number Publication Date
DE3683765D1 true DE3683765D1 (de) 1992-03-12

Family

ID=12825623

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8686304175T Expired - Fee Related DE3683765D1 (de) 1986-03-06 1986-06-02 Potentiometer fuer ein spannungsmessinstrument.

Country Status (6)

Country Link
US (1) US4994733A (de)
EP (1) EP0239691B1 (de)
JP (1) JPH077016B2 (de)
CN (1) CN1019863B (de)
AT (1) ATE72338T1 (de)
DE (1) DE3683765D1 (de)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3834183A1 (de) * 1988-10-07 1990-04-12 Asea Brown Boveri Elektronisches mehrbereichsmessgeraet
US6385547B1 (en) * 1999-09-22 2002-05-07 Otis Elevator Company Automatic monitoring of high voltage signals
DE10007539A1 (de) * 2000-02-18 2001-08-30 Daimler Chrysler Ag Steuerbarer Spannungsteiler
US6452398B1 (en) * 2000-11-08 2002-09-17 Joel Libove Method and apparatus for measuring D.C. and A.C. voltages using non-contacting sensors
US6519321B2 (en) * 2001-01-03 2003-02-11 Alcatel 2nd level power fault testing apparatus for testing telecommunications equipment
JP2003215172A (ja) 2002-01-23 2003-07-30 Seiko Epson Corp 充放電電流検出回路および可変抵抗器
US7098648B2 (en) * 2004-03-16 2006-08-29 Qualitau, Inc. Automatic range finder for electric current testing
US7579645B2 (en) 2004-12-24 2009-08-25 Ricoh Company, Ltd. Semiconductor device having non-volatile memory cell
US8506546B2 (en) * 2005-04-20 2013-08-13 Kimberly-Clark Worldwide, Inc. Diaper with umbilical feature
JP4385007B2 (ja) * 2005-06-08 2009-12-16 株式会社興研 高圧負荷演算制御方法及び装置
CN100557450C (zh) * 2007-04-03 2009-11-04 李顺定 携带式电位差计
CN101034104B (zh) * 2007-04-03 2010-04-21 方勇 四量程便携式电位差计
CN101063691B (zh) * 2007-05-29 2010-05-26 张春雷 三量程直流电位差计
CN100587501C (zh) * 2007-05-29 2010-02-03 方李 一种电压测量仪器
CN100523827C (zh) * 2007-05-29 2009-08-05 方李 一种有多个量程的电压测量仪器
CN100529770C (zh) * 2007-05-29 2009-08-19 张春雷 分辨率达0.1μV的电压测量仪
CN101059535B (zh) * 2007-05-29 2010-05-26 方李 二量程携带式电位差计
CN101089633B (zh) * 2007-05-29 2010-05-26 方李 无变差的电压测量仪
TWI375803B (en) * 2007-12-26 2012-11-01 High Tech Comp Corp Current measuring apparatus
CN101788590B (zh) * 2008-08-28 2011-10-05 骆晓英 直流电位差计
CN101788587B (zh) * 2008-08-28 2011-10-05 骆晓英 采用滑线盘的直流电位差计
CN101354410B (zh) * 2008-08-28 2010-12-08 骆晓英 采用滑线盘的直流电位差计
US9151818B2 (en) * 2011-11-08 2015-10-06 Analog Devices Global Voltage measurement
US8810354B2 (en) * 2013-01-10 2014-08-19 Eaton Corporation Binary coded decimal resistive load and network
CN104569545A (zh) * 2014-12-11 2015-04-29 许继集团有限公司 一种基于罗氏线圈型电流互感器宽范围测量用控制电路
JP2022167016A (ja) * 2021-04-22 2022-11-04 東京エレクトロン株式会社 デバイス検査装置及びデバイス検査方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3262049A (en) * 1963-09-12 1966-07-19 Hewlett Packard Co Signal dividers
US3553580A (en) * 1968-02-28 1971-01-05 Beckman Instruments Inc Scaling circuit for analog voltage signal measuring instruments
DE1931644A1 (de) * 1969-06-21 1970-12-23 Kimmel Dr Ing Hermann Elektrische Messinstrumente mit automatisch geschalteten Messbereichen
US3810012A (en) * 1972-10-17 1974-05-07 Rosemount Eng Co Ltd Apparatus for automatically evaluating the voltage at a number of test points sequentially
US4000463A (en) * 1975-12-01 1976-12-28 Ballantine Laboratories, Inc. Direct-reading decibel meter
JPS6019459B2 (ja) * 1978-10-12 1985-05-16 理研電子株式会社 電気計測器のレンジ切換装置
JPS5866869A (ja) * 1981-10-16 1983-04-21 Yokogawa Hokushin Electric Corp ディジタル電圧計

Also Published As

Publication number Publication date
EP0239691A3 (en) 1988-03-16
JPS62206455A (ja) 1987-09-10
US4994733A (en) 1991-02-19
CN1019863B (zh) 1992-12-30
JPH077016B2 (ja) 1995-01-30
EP0239691B1 (de) 1992-01-29
EP0239691A2 (de) 1987-10-07
CN86104307A (zh) 1987-09-16
ATE72338T1 (de) 1992-02-15

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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