IT8448654A0 - Circuito bifilare con campo regolabile - Google Patents

Circuito bifilare con campo regolabile

Info

Publication number
IT8448654A0
IT8448654A0 IT8448654A IT4865484A IT8448654A0 IT 8448654 A0 IT8448654 A0 IT 8448654A0 IT 8448654 A IT8448654 A IT 8448654A IT 4865484 A IT4865484 A IT 4865484A IT 8448654 A0 IT8448654 A0 IT 8448654A0
Authority
IT
Italy
Prior art keywords
adjustable range
wire circuit
wire
circuit
adjustable
Prior art date
Application number
IT8448654A
Other languages
English (en)
Other versions
IT1177938B (it
Inventor
Frick Roger Leonard
Original Assignee
Rosemount Inc
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 Rosemount Inc filed Critical Rosemount Inc
Publication of IT8448654A0 publication Critical patent/IT8448654A0/it
Application granted granted Critical
Publication of IT1177938B publication Critical patent/IT1177938B/it

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C19/00—Electric signal transmission systems
    • G08C19/02—Electric signal transmission systems in which the signal transmitted is magnitude of current or voltage
IT48654/84A 1983-07-29 1984-07-27 Circuito bifilare con campo regolabile IT1177938B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/518,377 US4502003A (en) 1983-07-29 1983-07-29 Two wire circuit having an adjustable span

Publications (2)

Publication Number Publication Date
IT8448654A0 true IT8448654A0 (it) 1984-07-27
IT1177938B IT1177938B (it) 1987-08-26

Family

ID=24063679

Family Applications (1)

Application Number Title Priority Date Filing Date
IT48654/84A IT1177938B (it) 1983-07-29 1984-07-27 Circuito bifilare con campo regolabile

Country Status (8)

Country Link
US (1) US4502003A (it)
EP (1) EP0151619B1 (it)
JP (1) JPS60502025A (it)
BR (1) BR8406995A (it)
CA (1) CA1213955A (it)
DE (1) DE3483907D1 (it)
IT (1) IT1177938B (it)
WO (1) WO1985000684A1 (it)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59613A (ja) * 1982-06-28 1984-01-05 Fuji Electric Co Ltd 二線式変位変換装置
US4604566A (en) * 1985-08-07 1986-08-05 The Babcock & Wilcox Company Voltage pulse to current regulating convertor
US4748852A (en) * 1986-10-10 1988-06-07 Rosemount Inc. Transmitter with an improved span adjustment
US5051743A (en) * 1989-05-31 1991-09-24 Ball Corporation High precision, high frequency current sensing and analog signal decoding network
FR2704342B1 (fr) * 1993-04-22 1995-06-23 Sagem Indicateur a afficheur mobile et a sensibilite reglable.
US5957393A (en) * 1994-03-03 1999-09-28 Nordson Corporation Air regulator control system for powder coating operation
US8519863B2 (en) 2010-10-15 2013-08-27 Rosemount Inc. Dynamic power control for a two wire process instrument

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3680384A (en) * 1968-08-20 1972-08-01 Rosemount Eng Co Ltd Two wire telemetry system
US3646538A (en) * 1969-10-27 1972-02-29 Rosemount Eng Co Ltd Transducer circuitry for converting a capacitance signal to a dc current signal
US4193063A (en) * 1978-05-15 1980-03-11 Leeds & Northrup Company Differential capacitance measuring circuit
US4348673A (en) * 1978-10-13 1982-09-07 The Foxboro Company Instrumentation system with electric signal transmitter
US4292633A (en) * 1978-11-24 1981-09-29 Robertshaw Controls Company Two-wire isolated signal transmitter
US4287466A (en) * 1979-02-26 1981-09-01 The Perkin-Elmer Corporation Control circuitry for maintaining forward and reflected transmission line power at a predetermined safe level
JPS56114097A (en) * 1980-02-15 1981-09-08 Hokushin Electric Works Physical quantity converter
US4389646A (en) * 1980-04-30 1983-06-21 Fuji Electric Co. Ltd. Displacement converting circuit arrangement
US4370890A (en) * 1980-10-06 1983-02-01 Rosemount Inc. Capacitive pressure transducer with isolated sensing diaphragm

Also Published As

Publication number Publication date
IT1177938B (it) 1987-08-26
US4502003A (en) 1985-02-26
JPS60502025A (ja) 1985-11-21
JPH042998B2 (it) 1992-01-21
EP0151619A1 (en) 1985-08-21
WO1985000684A1 (en) 1985-02-14
CA1213955A (en) 1986-11-12
EP0151619B1 (en) 1991-01-09
DE3483907D1 (de) 1991-02-14
EP0151619A4 (en) 1987-10-27
BR8406995A (pt) 1985-07-02

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Legal Events

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TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19970729