CA1022275A - Electrical control device - Google Patents

Electrical control device

Info

Publication number
CA1022275A
CA1022275A CA218,755A CA218755A CA1022275A CA 1022275 A CA1022275 A CA 1022275A CA 218755 A CA218755 A CA 218755A CA 1022275 A CA1022275 A CA 1022275A
Authority
CA
Canada
Prior art keywords
control device
electrical control
electrical
control
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
CA218,755A
Other languages
English (en)
French (fr)
Other versions
CA218755S (en
Inventor
Jurgen Lemmrich
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of CA1022275A publication Critical patent/CA1022275A/en
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
    • G05B11/00—Automatic controllers
    • G05B11/01—Automatic controllers electric
    • G05B11/26—Automatic controllers electric in which the output signal is a pulse-train
    • G05B11/28—Automatic controllers electric in which the output signal is a pulse-train using pulse-height modulation; using pulse-width modulation

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Feedback Control In General (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
CA218,755A 1974-01-30 1975-01-27 Electrical control device Expired CA1022275A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2404255A DE2404255C2 (de) 1974-01-30 1974-01-30 Elektrische Regeleinrichtung

Publications (1)

Publication Number Publication Date
CA1022275A true CA1022275A (en) 1977-12-06

Family

ID=5906002

Family Applications (1)

Application Number Title Priority Date Filing Date
CA218,755A Expired CA1022275A (en) 1974-01-30 1975-01-27 Electrical control device

Country Status (6)

Country Link
US (1) US4007363A (is")
JP (1) JPS5836361B2 (is")
CA (1) CA1022275A (is")
DE (1) DE2404255C2 (is")
FR (1) FR2259388B1 (is")
GB (1) GB1496693A (is")

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7901721A (nl) * 1979-03-05 1980-09-09 Philips Nv Regelsysteem.
EP0149577A3 (fr) * 1984-01-16 1985-09-11 Louis Champavier Procédé de conversion d'un signal analogique, en un signal par impulsions et procédé de conversion inverse, dispositifs de conversion pour la mise en oeuvre de ces procédés, systèmes de transmission et systèmes de commande et de régulation comprenant de tels dispositifs
FR2558318B1 (fr) * 1984-01-16 1987-06-26 Champavier Louis Dispositif de transmission isolee et regulee, en grandeur et en signe, de signaux analogiques
DE3441451A1 (de) * 1984-11-13 1986-05-28 Kinex Schrittmotoren GmbH Elektronische Antriebs- und Steuertechnik, 8000 München Steuerschaltung fuer einen schrittmotor
DE59911551D1 (de) * 1999-03-18 2005-03-10 Nanosurf Ag Liestal Elektronische Frequenzmesseinrichtung und ihre Verwendung

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1297366B (de) * 1965-05-22 1969-06-12 Philips Patentverwaltung Regelanordnung mit frequenz- und zeitproportionalen Signalen, bei der die Istgroessen durch frequenzanaloge Signale dargestellt sind und die Sollgroessen ziffernmaessig eingestellt werden
DE2001026A1 (de) * 1970-01-12 1971-07-22 I & A Braun Kg Digitaler Regler
US3644721A (en) * 1970-11-09 1972-02-22 Gen Motors Corp Apparatus and method for digital frequency addition and subtraction
GB1426820A (en) * 1972-04-05 1976-03-03 Hitachi Electronics Digital control system

Also Published As

Publication number Publication date
DE2404255A1 (de) 1975-08-07
JPS5836361B2 (ja) 1983-08-09
DE2404255C2 (de) 1984-12-20
GB1496693A (en) 1977-12-30
JPS50107392A (is") 1975-08-23
US4007363A (en) 1977-02-08
FR2259388B1 (is") 1978-07-13
FR2259388A1 (is") 1975-08-22

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