FR2016491A1 - - Google Patents

Info

Publication number
FR2016491A1
FR2016491A1 FR6929023A FR6929023A FR2016491A1 FR 2016491 A1 FR2016491 A1 FR 2016491A1 FR 6929023 A FR6929023 A FR 6929023A FR 6929023 A FR6929023 A FR 6929023A FR 2016491 A1 FR2016491 A1 FR 2016491A1
Authority
FR
France
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.)
Withdrawn
Application number
FR6929023A
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.)
General Electric Co
Original Assignee
General Electric 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
Application filed by General Electric Co filed Critical General Electric Co
Publication of FR2016491A1 publication Critical patent/FR2016491A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
    • G01P3/42—Devices characterised by the use of electric or magnetic means
    • G01P3/56—Devices characterised by the use of electric or magnetic means for comparing two speeds
    • G01P3/60—Devices characterised by the use of electric or magnetic means for comparing two speeds by measuring or comparing frequency of generated currents or voltages
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B1/00—Comparing elements, i.e. elements for effecting comparison directly or indirectly between a desired value and existing or anticipated values
    • G05B1/01—Comparing elements, i.e. elements for effecting comparison directly or indirectly between a desired value and existing or anticipated values electric
    • G05B1/02—Comparing elements, i.e. elements for effecting comparison directly or indirectly between a desired value and existing or anticipated values electric for comparing analogue signals

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
  • Burglar Alarm Systems (AREA)
FR6929023A 1968-08-28 1969-08-25 Withdrawn FR2016491A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US75592968A 1968-08-28 1968-08-28

Publications (1)

Publication Number Publication Date
FR2016491A1 true FR2016491A1 (fr) 1970-05-08

Family

ID=25041281

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6929023A Withdrawn FR2016491A1 (fr) 1968-08-28 1969-08-25

Country Status (5)

Country Link
US (1) US3569831A (fr)
JP (1) JPS4931912B1 (fr)
FR (1) FR2016491A1 (fr)
GB (1) GB1247447A (fr)
SE (1) SE367266B (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2343895A1 (de) * 1973-08-31 1975-03-13 Bosch Gmbh Robert Verfahren und einrichtung zur ueberpruefung der zuendanlage von brennkraftmaschinen
US20090102467A1 (en) * 2007-10-22 2009-04-23 Johnson Controls Inc. Method and apparatus for sensing shaft rotation

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2401163A (en) * 1942-10-29 1946-05-28 Bbc Brown Boveri & Cie Device for measuring mechanical acceleration by electrical means
US2457278A (en) * 1945-05-12 1948-12-28 Curtiss Wright Corp Frequency responsive system
US2522998A (en) * 1947-04-17 1950-09-19 Gen Electric Mutual inductance type frequency meter
US3209212A (en) * 1961-01-11 1965-09-28 Westinghouse Electric Corp Frequency responsive control device

Also Published As

Publication number Publication date
DE1942044A1 (de) 1970-03-05
US3569831A (en) 1971-03-09
JPS4931912B1 (fr) 1974-08-26
GB1247447A (en) 1971-09-22
SE367266B (fr) 1974-05-20
DE1942044B2 (de) 1977-06-02

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Legal Events

Date Code Title Description
ST Notification of lapse