DE3483705D1 - Umformer fuer quadratischen mittelwert. - Google Patents

Umformer fuer quadratischen mittelwert.

Info

Publication number
DE3483705D1
DE3483705D1 DE8484304830T DE3483705T DE3483705D1 DE 3483705 D1 DE3483705 D1 DE 3483705D1 DE 8484304830 T DE8484304830 T DE 8484304830T DE 3483705 T DE3483705 T DE 3483705T DE 3483705 D1 DE3483705 D1 DE 3483705D1
Authority
DE
Germany
Prior art keywords
square
average value
square average
value
average
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
DE8484304830T
Other languages
English (en)
Inventor
William Henry Gardiner
Geoffrey Arthur Luckhurst
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.)
Gemalto Terminals Ltd
Original Assignee
Schlumberger Electronics UK 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 Schlumberger Electronics UK Ltd filed Critical Schlumberger Electronics UK Ltd
Application granted granted Critical
Publication of DE3483705D1 publication Critical patent/DE3483705D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06G—ANALOGUE COMPUTERS
    • G06G7/00—Devices in which the computing operation is performed by varying electric or magnetic quantities
    • G06G7/12—Arrangements for performing computing operations, e.g. operational amplifiers
    • G06G7/24—Arrangements for performing computing operations, e.g. operational amplifiers for evaluating logarithmic or exponential functions, e.g. hyperbolic functions
DE8484304830T 1983-07-23 1984-07-16 Umformer fuer quadratischen mittelwert. Expired - Fee Related DE3483705D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB08319911A GB2143956B (en) 1983-07-23 1983-07-23 Rms converters

Publications (1)

Publication Number Publication Date
DE3483705D1 true DE3483705D1 (de) 1991-01-17

Family

ID=10546208

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8484304830T Expired - Fee Related DE3483705D1 (de) 1983-07-23 1984-07-16 Umformer fuer quadratischen mittelwert.

Country Status (6)

Country Link
US (1) US4575649A (de)
EP (1) EP0133350B1 (de)
JP (1) JPS60104265A (de)
AU (1) AU573600B2 (de)
DE (1) DE3483705D1 (de)
GB (1) GB2143956B (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2143956B (en) * 1983-07-23 1986-11-19 Schlumberger Electronics Rms converters
JPS6156501A (ja) * 1984-08-28 1986-03-22 Toshiba Corp 整流回路
US4861635A (en) * 1987-11-06 1989-08-29 Minnesota Mining And Manufacturing Company Pressure-sensitive adhesive closure for disposable diaper
US5896056A (en) * 1997-12-01 1999-04-20 Texmate, Inc. Root-mean-square converter method and circuit
US6392402B1 (en) 1998-07-30 2002-05-21 Fluke Corporation High crest factor rms measurement method
US6516291B2 (en) * 2000-12-13 2003-02-04 Linear Technology Corporation RMS-to-DC converter with fault detection and recovery

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3657528A (en) * 1970-07-10 1972-04-18 Lawrence M Plante Rms voltmeter and log converter
US3967105A (en) * 1975-05-19 1976-06-29 Control Data Corporation Transistor power and root computing system
US4097767A (en) * 1977-01-17 1978-06-27 Dbx, Incorporated Operational rectifier
US4109165A (en) * 1977-02-14 1978-08-22 Tokyo Shibaura Electric Co., Ltd. Rms circuit
US4375038A (en) * 1979-08-10 1983-02-22 Beckman Instruments, Inc. RMS Converter
GB2143956B (en) * 1983-07-23 1986-11-19 Schlumberger Electronics Rms converters

Also Published As

Publication number Publication date
EP0133350B1 (de) 1990-12-05
AU3073184A (en) 1985-01-24
GB2143956B (en) 1986-11-19
JPS60104265A (ja) 1985-06-08
AU573600B2 (en) 1988-06-16
GB2143956A (en) 1985-02-20
GB8319911D0 (en) 1983-08-24
US4575649A (en) 1986-03-11
EP0133350A3 (en) 1988-03-16
EP0133350A2 (de) 1985-02-20

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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