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

Laite sähkövirran tulosuureen muuntamiseksi siihen verrannolliseksi sähköiseksi tasasignaaliksi

Info

Publication number: FI99179B
Authority: FI; Finland
Prior art keywords: converting; electric current; signal proportional; input quantity; direct signal
Prior art date: 1989-10-06

Application number

FI904733A

Other languages

English (en)

Swedish (sv)

Other versions

FI99179C (fi

FI904733A0 (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.)

1989-10-06

Filing date

1990-09-26

Publication date

1997-06-30

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.

1990-09-26 Application filed by Endress Hauser Gmbh Co filed Critical Endress Hauser Gmbh Co

1990-09-26 Publication of FI904733A0 publication Critical patent/FI904733A0/fi

1997-06-30 Publication of FI99179B publication Critical patent/FI99179B/fi

1997-10-10 Application granted granted Critical

1997-10-10 Publication of FI99179C publication Critical patent/FI99179C/fi

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

Landscapes

Engineering & Computer Science (AREA)
Theoretical Computer Science (AREA)
Analogue/Digital Conversion (AREA)

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
DE60135734D1 (de) *	2000-03-23	2008-10-23	Ericsson Ab	Verfahren und vorrichtung zum erzeugen eines pulsbreitenmodulierten signals
EP1332648B1 (en) *	2000-10-25	2006-03-08	Koninklijke Philips Electronics N.V.	Circuit arrangement
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

1989
- 1989-10-06 DE DE3933491A patent/DE3933491A1/de active Granted
1990
- 1990-09-26 FI FI904733A patent/FI99179C/fi not_active IP Right Cessation
- 1990-10-02 US US07/591,696 patent/US5103462A/en not_active Expired - Fee Related
- 1990-10-04 EP EP90118995A patent/EP0421395B2/de not_active Expired - Lifetime
- 1990-10-04 DE DE59009979T patent/DE59009979D1/de not_active Expired - Fee Related
- 1990-10-05 JP JP2266592A patent/JPH0783267B2/ja not_active Expired - Lifetime

Also Published As

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

Publication	Publication Date	Title
DE3269757D1 (en)	1986-04-10	Voltage and electric field measuring device using light
GB2068137B (en)	1983-12-21	Voltage and electric field measuring device
DK298285D0 (da)	1985-07-01	Elektrisk hoejspaendingsapparat
DE59008599D1 (de)	1995-04-06	Schaltungsanordnung zur Messung des Stroms einer elektrische Ladungen enthaltenden Flüssigkeit.
GB2211309B (en)	1992-01-02	Electric current sensing device
NO169927C (no)	1992-08-19	Elektrisk kabelanordning
FI99179B (fi)	1997-06-30	Laite sähkövirran tulosuureen muuntamiseksi siihen verrannolliseksi sähköiseksi tasasignaaliksi
GB2232776B (en)	1993-04-07	Electric current sensing device
AR229825A1 (es)	1983-11-30	Dispositivo de conexion electrica
GB2189364B (en)	1990-06-06	Measuring the length of an electrical line
AR230531A1 (es)	1984-04-30	Dispositivo generador de corriente electrica
DK288588A (da)	1988-11-27	Maaletransformator til maaling af den i en elektriskleder loebende stroem
GB2211308B (en)	1992-01-29	Electric current sensing device
GB2239097B (en)	1993-08-11	Electrical power measuring devices
KR890003583U (ko)	1989-04-13	회로차단기의 전기조작장치
KR890001530U (ko)	1989-03-18	회로차단기의 전기조작장치
ES274686Y (es)	1985-07-16	Dispositivo de conexion electrica
DE3364951D1 (en)	1986-09-04	An electrical measuring instrument
IT8848454A0 (it)	1988-10-14	Dispositivo di rilevamento di corrente elettrica
IT8848455A0 (it)	1988-10-14	Dispositivo di rilevamento di corrente elettrica
DK0380929T3 (da)	1993-09-20	Elektrisk stærkstrømskabel
IT1150183B (it)	1986-12-10	Dispositivo di fissaggio di apparecchi elettrici
GB2204958B (en)	1991-12-18	Device for measuring field current
GB2227326B (en)	1992-10-28	Electrical power measuring devices
ES278732Y (es)	1985-05-16	Dispositivo de conexion electrica

Legal Events

Date	Code	Title	Description
1997-06-02	BB	Publication of examined application
2004-08-31	MM	Patent lapsed	Owner name: ENDRESS U. HAUSER GMBH U. CO.