FI99179B - Laite sähkövirran tulosuureen muuntamiseksi siihen verrannolliseksi sähköiseksi tasasignaaliksi - Google Patents

Laite sähkövirran tulosuureen muuntamiseksi siihen verrannolliseksi sähköiseksi tasasignaaliksi

Info

Publication number
FI99179B
FI99179B FI904733A FI904733A FI99179B FI 99179 B FI99179 B FI 99179B FI 904733 A FI904733 A FI 904733A FI 904733 A FI904733 A FI 904733A FI 99179 B FI99179 B FI 99179B
Authority
FI
Finland
Prior art keywords
converting
electric current
signal proportional
input quantity
direct signal
Prior art date
Application number
FI904733A
Other languages
English (en)
Swedish (sv)
Other versions
FI904733A0 (fi
FI99179C (fi
Inventor
Andr Elle
Guenter Lange
Original Assignee
Endress Hauser Gmbh 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6391003&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=FI99179(B) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Endress Hauser Gmbh Co filed Critical Endress Hauser Gmbh Co
Publication of FI904733A0 publication Critical patent/FI904733A0/fi
Publication of FI99179B publication Critical patent/FI99179B/fi
Application granted granted Critical
Publication of FI99179C publication Critical patent/FI99179C/fi

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/66—Digital/analogue converters
    • H03M1/68—Digital/analogue converters with conversions of different sensitivity, i.e. one conversion relating to the more significant digital bits and another conversion to the less significant bits
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/66—Digital/analogue converters
    • H03M1/82—Digital/analogue converters with intermediate conversion to time interval
    • H03M1/822—Digital/analogue converters with intermediate conversion to time interval using pulse width modulation
FI904733A 1989-10-06 1990-09-26 Laite sähkövirran tulosuureen muuntamiseksi siihen verrannolliseksi sähköiseksi tasasignaaliksi FI99179C (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3933491 1989-10-06
DE3933491A DE3933491A1 (de) 1989-10-06 1989-10-06 Anordnung zur umwandlung einer elektrischen eingangsgroesse in ein dazu proportionales elektrisches gleichsignal

Publications (3)

Publication Number Publication Date
FI904733A0 FI904733A0 (fi) 1990-09-26
FI99179B true FI99179B (fi) 1997-06-30
FI99179C FI99179C (fi) 1997-10-10

Family

ID=6391003

Family Applications (1)

Application Number Title Priority Date Filing Date
FI904733A FI99179C (fi) 1989-10-06 1990-09-26 Laite sähkövirran tulosuureen muuntamiseksi siihen verrannolliseksi sähköiseksi tasasignaaliksi

Country Status (5)

Country Link
US (1) US5103462A (fi)
EP (1) EP0421395B2 (fi)
JP (1) JPH0783267B2 (fi)
DE (2) DE3933491A1 (fi)
FI (1) FI99179C (fi)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2777291B2 (ja) * 1991-04-30 1998-07-16 株式会社東芝 アナログ・ディジタル混在集積回路
FR2682768A1 (fr) * 1991-10-21 1993-04-23 Otic Fischer & Porter Methodes de conversion de rapports d'impedances applicables aux appareils de mesure, notamment aux transmetteurs de pression industriels, et leurs dispositifs de mise en óoeuvre.
US5471505A (en) * 1993-10-01 1995-11-28 Elsag International N.V. Method and apparatus for increasing the resolution of a digital to analog converted pulse width modulated signal
DE69719317D1 (de) 1997-07-17 2003-04-03 St Microelectronics Srl System zur Auflösungserhöhung bei der Umwandlung von digitalen Daten in PWM-Signale zur Steuerung einer Vollbrückenausgangsstufe
JP3601315B2 (ja) * 1997-11-05 2004-12-15 セイコーエプソン株式会社 ステップモータの制御装置、制御方法および計時装置
US5959501A (en) * 1998-01-14 1999-09-28 Harris Corporation Class D amplifier with scaled clock and related methods
JP2900153B1 (ja) * 1998-02-10 1999-06-02 セイコーインスツルメンツ株式会社 アナログ電子時計
AT409731B (de) * 1998-10-16 2002-10-25 Fronius Schweissmasch Prod Regelvorrichtung für ein schweissgerät
JP2003528524A (ja) * 2000-03-23 2003-09-24 マルコニ コミュニケイションズ リミテッド パルス巾変調信号を発生する方法及び装置並びにパルス巾変調信号により制御される光学的減衰器
DE60117837T2 (de) * 2000-10-25 2006-09-21 Koninklijke Philips Electronics N.V. Schaltungsanordnung
US6714770B2 (en) * 2001-11-16 2004-03-30 Aleksander Maksimov Method and apparatus for prevention of the concurrence of modes condition during operation of electronic device
CN1310427C (zh) * 2004-02-25 2007-04-11 凌阳科技股份有限公司 脉波宽度调变电路与方法
US8902089B2 (en) * 2012-05-02 2014-12-02 Qualcomm Incorporated Systems and methods for performing digital modulation
FR2999836B1 (fr) * 2012-12-18 2018-11-09 Safran Electronics & Defense Procede de conversion numerique analogique a modulation de largeur d'implulsion optimise

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4112368A (en) * 1970-07-13 1978-09-05 Westinghouse Electric Corp. Constant amplitude carrier communications system
JPS5149531B2 (fi) * 1971-11-13 1976-12-27
US3823396A (en) * 1972-04-17 1974-07-09 Electronics Processors Inc Digital to analog converter incorporating multiple time division switching circuits
GB1553697A (en) * 1975-07-17 1979-10-03 Licentia Gmbh Digital to analogue converter arrangements
JPS5228205A (en) * 1975-08-28 1977-03-03 Sony Corp Station selector unit
DE2721993C3 (de) * 1977-05-14 1980-09-18 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Schaltungsanordnung zum Übertragen von digitalen Gleichstromsignalen mittels Trägerschwingungen vorgegebener Frequenz
US4334237A (en) * 1980-02-07 1982-06-08 Rca Corporation Adaptive amplitude averaging for weighting quantizing noise
JPS57155833A (en) * 1981-03-23 1982-09-27 Toshiba Corp Digital-to-analog converting circuit
JPS5847325A (ja) * 1981-09-17 1983-03-19 Sanyo Electric Co Ltd パルス幅変調回路
JPS5911026A (ja) * 1982-07-12 1984-01-20 Yokogawa Hokushin Electric Corp デイジタル・アナログ変換器
DE3306334A1 (de) * 1983-02-23 1984-08-23 Siemens AG, 1000 Berlin und 8000 München Quantisierer fuer dpcm-codierer
GB2144005B (en) * 1983-07-28 1986-10-22 Rca Corp Digital-to-analog converter useful in a television receiver
JPS6235709A (ja) * 1985-08-09 1987-02-16 Hitachi Ltd デジタル回路
US4685114A (en) * 1986-02-27 1987-08-04 The Charles Stark Draper Laboratory, Inc. Waveform modulation system
JPS62231569A (ja) * 1986-03-31 1987-10-12 Fuji Photo Film Co Ltd 予測誤差の量子化方法

Also Published As

Publication number Publication date
EP0421395A3 (en) 1993-04-21
EP0421395B2 (de) 1998-11-11
JPH03207124A (ja) 1991-09-10
US5103462A (en) 1992-04-07
DE59009979D1 (de) 1996-02-01
FI904733A0 (fi) 1990-09-26
EP0421395B1 (de) 1995-12-20
FI99179C (fi) 1997-10-10
DE3933491C2 (fi) 1991-10-17
EP0421395A2 (de) 1991-04-10
DE3933491A1 (de) 1991-04-18
JPH0783267B2 (ja) 1995-09-06

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Legal Events

Date Code Title Description
BB Publication of examined application
MM Patent lapsed

Owner name: ENDRESS U. HAUSER GMBH U. CO.