FR1262865A - Détecteur de référence analogique et d'écarts - Google Patents

Détecteur de référence analogique et d'écarts

Info

Publication number
FR1262865A
FR1262865A FR832507A FR832507A FR1262865A FR 1262865 A FR1262865 A FR 1262865A FR 832507 A FR832507 A FR 832507A FR 832507 A FR832507 A FR 832507A FR 1262865 A FR1262865 A FR 1262865A
Authority
FR
France
Prior art keywords
deviation detector
analogue reference
analogue
deviation
detector
Prior art date
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.)
Expired
Application number
FR832507A
Other languages
English (en)
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.)
Westinghouse Electric Corp
Original Assignee
Westinghouse Electric 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 Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Application granted granted Critical
Publication of FR1262865A publication Critical patent/FR1262865A/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
    • G05B1/03—Comparing elements, i.e. elements for effecting comparison directly or indirectly between a desired value and existing or anticipated values electric for comparing digital signals
    • 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
    • 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
    • H03M1/668—Servo-type converters

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Dc-Dc Converters (AREA)
  • Analogue/Digital Conversion (AREA)
FR832507A 1959-07-09 1960-07-08 Détecteur de référence analogique et d'écarts Expired FR1262865A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US826036A US3248648A (en) 1959-07-09 1959-07-09 Speed monitoring apparatus with a reference channel and a variable channel each employing a saturable core digital-to-analog converter

Publications (1)

Publication Number Publication Date
FR1262865A true FR1262865A (fr) 1961-06-05

Family

ID=25245536

Family Applications (1)

Application Number Title Priority Date Filing Date
FR832507A Expired FR1262865A (fr) 1959-07-09 1960-07-08 Détecteur de référence analogique et d'écarts

Country Status (3)

Country Link
US (1) US3248648A (fr)
CH (1) CH384680A (fr)
FR (1) FR1262865A (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3488123A (en) * 1966-03-28 1970-01-06 Nasa Apparatus for controlling the velocity of an electromechanical drive for interferometers and the like
US3787769A (en) * 1972-08-01 1974-01-22 J Parkinson Non-contacting shaft rpm and direction of rotation measurement system

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2512138A (en) * 1945-06-01 1950-06-20 Us Sec War Shielding arrangement
US2864555A (en) * 1948-08-17 1958-12-16 Emi Ltd Analog function generator
US2827622A (en) * 1952-05-28 1958-03-18 Gunther K Guttwein Recording vibration meter using angular modulation
US2770785A (en) * 1953-01-29 1956-11-13 Raytheon Mfg Co Directly-cooled electromagnetic components
US2887654A (en) * 1955-04-19 1959-05-19 Hughes Aircraft Co Electronic tachometer with selected expanded scale
FR1134205A (fr) * 1955-10-07 1957-04-09 Jaeger Ets Ed Procédé de mesure d'une vitesse de rotation et dispositifs faisant application de ce procédé
NL213349A (fr) * 1955-12-30 1900-01-01
US2962657A (en) * 1956-05-09 1960-11-29 Gen Electric Ferromagnetic pulse area stabilizer
US2947957A (en) * 1957-04-22 1960-08-02 Zenith Radio Corp Transformers
GB875716A (en) * 1958-10-08 1961-08-23 Int Computers & Tabulators Ltd Improvements in or relating to data storage devices

Also Published As

Publication number Publication date
CH384680A (de) 1964-11-30
US3248648A (en) 1966-04-26

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