IT8047871A0 - Perfezionamento nei circuiti per il pilotaggio di strumenti di misura ad esempio tachimetri elettronici - Google Patents

Perfezionamento nei circuiti per il pilotaggio di strumenti di misura ad esempio tachimetri elettronici

Info

Publication number
IT8047871A0
IT8047871A0 IT8047871A IT4787180A IT8047871A0 IT 8047871 A0 IT8047871 A0 IT 8047871A0 IT 8047871 A IT8047871 A IT 8047871A IT 4787180 A IT4787180 A IT 4787180A IT 8047871 A0 IT8047871 A0 IT 8047871A0
Authority
IT
Italy
Prior art keywords
circuits
improvement
driving
measuring instruments
example electronic
Prior art date
Application number
IT8047871A
Other languages
English (en)
Other versions
IT1126936B (it
Inventor
David W Taylor
Original Assignee
Gen Motors Corp
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 Gen Motors Corp filed Critical Gen Motors Corp
Publication of IT8047871A0 publication Critical patent/IT8047871A0/it
Application granted granted Critical
Publication of IT1126936B publication Critical patent/IT1126936B/it

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
    • G01R1/30—Structural combination of electric measuring instruments with basic electronic circuits, e.g. with amplifier
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R7/00—Instruments capable of converting two or more currents or voltages into a single mechanical displacement
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R7/00—Instruments capable of converting two or more currents or voltages into a single mechanical displacement
    • G01R7/04—Instruments capable of converting two or more currents or voltages into a single mechanical displacement for forming a quotient
    • G01R7/06—Instruments capable of converting two or more currents or voltages into a single mechanical displacement for forming a quotient moving-iron type

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Indicating Measured Values (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
IT47871/80A 1979-03-22 1980-02-12 Perfezionamento nei circuiti per il pilotaggio di strumenti di misura ad esempio tachimetri elettronici IT1126936B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/022,822 US4230984A (en) 1979-03-22 1979-03-22 Method and apparatus for driving an air core gage

Publications (2)

Publication Number Publication Date
IT8047871A0 true IT8047871A0 (it) 1980-02-12
IT1126936B IT1126936B (it) 1986-05-21

Family

ID=21811621

Family Applications (1)

Application Number Title Priority Date Filing Date
IT47871/80A IT1126936B (it) 1979-03-22 1980-02-12 Perfezionamento nei circuiti per il pilotaggio di strumenti di misura ad esempio tachimetri elettronici

Country Status (6)

Country Link
US (1) US4230984A (it)
JP (1) JPS55132959A (it)
CA (1) CA1111931A (it)
DE (1) DE3003151A1 (it)
GB (1) GB2045953B (it)
IT (1) IT1126936B (it)

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4443795A (en) * 1979-11-21 1984-04-17 The Laitram Corporation Remote indicator for displaying transmitted data by angular displacement
DE3434189A1 (de) * 1984-09-18 1986-03-20 Vdo Adolf Schindling Ag, 6000 Frankfurt Einrichtung zur ansteuerung eines kreuzspulanzeigeinstruments
JPS63145969A (ja) * 1986-07-31 1988-06-18 Nippon Seiki Co Ltd 交叉コイル型可動磁石式計器
EP0255772B1 (en) * 1986-07-31 1993-03-10 Nippon Seiki Co. Ltd. Instrument with crossed-coil type movable magnet
JPH0631426Y2 (ja) * 1986-11-17 1994-08-22 日産自動車株式会社 負荷駆動回路
GB8630086D0 (en) * 1986-12-17 1987-01-28 Lucas Elect Electron Syst Gauge driving system
GB2206695A (en) * 1987-06-26 1989-01-11 Ford Motor Co A liquid level indicating device
JPS6459162A (en) * 1987-08-31 1989-03-06 Japan Engine Valve Mfg Cross coil type mobile magnet instrument
JPS6469914A (en) * 1987-09-11 1989-03-15 Yazaki Corp Cross coil type combination meter
JPH01143964A (ja) * 1987-11-30 1989-06-06 Nippon Seiki Co Ltd 交叉コイル型計器
JPH0660908B2 (ja) * 1988-01-22 1994-08-10 矢崎総業株式会社 クロスコイル形計器の駆動装置
JPH0711538B2 (ja) * 1988-02-05 1995-02-08 ジェコー株式会社 交差コイル式計器の駆動回路
AU614677B2 (en) * 1988-11-01 1991-09-05 Nippondenso Co. Ltd. Apparatus for driving air core gauge
US5214597A (en) * 1988-11-09 1993-05-25 Yazaki Corporation Cross coil type indicator
DE3925892C2 (de) * 1988-11-09 1994-06-16 Yazaki Corp Kreuzspul-Anzeigevorrichtung
US4991098A (en) * 1988-11-25 1991-02-05 General Motors Corporation Computer-based controller and bipolar PWM driver arrangement for air core gauge control
FR2640744B1 (fr) * 1988-12-19 1991-04-12 Jaeger Dispositif de commande de logometre comprenant des moyens numeriques de memorisation de capacite limitee
FR2640742B1 (fr) * 1988-12-19 1991-04-12 Jaeger Dispositif de commande de logometre comprenant des moyens perfectionnes generant un signal numerique representatif de la frequence du signal d'entree
EP0379816B1 (fr) * 1988-12-19 1993-03-31 Jaeger Dispositif perfectionné de commande de logomètre
US4939675A (en) * 1988-12-22 1990-07-03 Chrysler Corporation Digital system for controlling mechanical instrument gauges
JPH0677028B2 (ja) * 1989-03-16 1994-09-28 矢崎総業株式会社 計器用ムーブメント
US5063344A (en) * 1990-03-05 1991-11-05 Delco Electronics Corporation Mode selectable interface circuit for an air core gage controller
JP2710701B2 (ja) * 1991-04-17 1998-02-10 ローム株式会社 Ｐｗｍ変調回路
WO1992019992A2 (en) * 1991-05-09 1992-11-12 Nu-Tech And Engineering, Inc. Instrument display method and system for passenger vehicle
DE4137680A1 (de) * 1991-11-15 1993-05-19 Bayerische Motoren Werke Ag Drehmagnet-quotientenmesswerk
DE4220519A1 (de) * 1992-06-23 1994-01-05 Bayerische Motoren Werke Ag Drehmagnet-Quotienten-Meßwerk
US5309087A (en) * 1992-09-08 1994-05-03 Chrysler Corporation Air core gauge, multi-frequency pulse width modulator system therefor
US5357451A (en) * 1993-01-07 1994-10-18 Ford Motor Company Digital system controller with programmable ranges for analog speedometer and tachometer gauges
FR2706039B1 (fr) * 1993-06-04 1995-08-04 Sagem Logomètre.
US5497078A (en) * 1994-12-27 1996-03-05 Ford Motor Company Method and system for driving an air core gauge with improved pointer resolution

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE853181C (de) * 1942-04-24 1952-10-23 Hartmann & Braun Ag Elektrisches Quotientenmessgeraet mit drei Feldspulen und einem Magnet
US3329893A (en) * 1964-07-23 1967-07-04 Gen Motors Corp Electrical device for measuring the rate of an occurrence of an event
US3624625A (en) * 1969-07-07 1971-11-30 Gen Motors Corp Gauge with a solid state drive
US3636447A (en) * 1970-05-06 1972-01-18 Gen Motors Corp Wide-angle two-coil electrical gauge
US3946311A (en) * 1973-06-11 1976-03-23 Stewart-Warner Corporation Air core gauge with expanded pointer range
US4070665A (en) * 1976-05-27 1978-01-24 The Singer Company High accuracy digital to analog resolver converter
US4051434A (en) * 1976-05-28 1977-09-27 General Motors Corporation Digital frequency measuring circuitry

Also Published As

Publication number Publication date
US4230984A (en) 1980-10-28
DE3003151C2 (it) 1987-12-03
GB2045953A (en) 1980-11-05
JPS6216381B2 (it) 1987-04-13
JPS55132959A (en) 1980-10-16
DE3003151A1 (de) 1980-10-02
GB2045953B (en) 1982-11-24
CA1111931A (en) 1981-11-03
IT1126936B (it) 1986-05-21

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19930223