FR2496290B1 - - Google Patents

Info

Publication number
FR2496290B1
FR2496290B1 FR8026416A FR8026416A FR2496290B1 FR 2496290 B1 FR2496290 B1 FR 2496290B1 FR 8026416 A FR8026416 A FR 8026416A FR 8026416 A FR8026416 A FR 8026416A FR 2496290 B1 FR2496290 B1 FR 2496290B1
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.)
Expired
Application number
FR8026416A
Other languages
French (fr)
Other versions
FR2496290A1 (fr
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.)
EFCIS
Original Assignee
EFCIS
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 EFCIS filed Critical EFCIS
Priority to FR8026416A priority Critical patent/FR2496290A1/fr
Priority to EP81401714A priority patent/EP0055146B1/fr
Priority to DE8181401714T priority patent/DE3171830D1/de
Publication of FR2496290A1 publication Critical patent/FR2496290A1/fr
Application granted granted Critical
Publication of FR2496290B1 publication Critical patent/FR2496290B1/fr
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P23/00—Arrangements or methods for the control of AC motors characterised by a control method other than vector control
    • H02P23/22—Controlling the speed digitally using a reference oscillator, a speed proportional pulse rate feedback and a digital comparator

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Control Of Electric Motors In General (AREA)
  • Control Of Ac Motors In General (AREA)
FR8026416A 1980-12-12 1980-12-12 Circuit d'asservissement numerique en fonction de la frequence Granted FR2496290A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR8026416A FR2496290A1 (fr) 1980-12-12 1980-12-12 Circuit d'asservissement numerique en fonction de la frequence
EP81401714A EP0055146B1 (fr) 1980-12-12 1981-10-27 Circuit d'asservissement numérique en fonction de la fréquence
DE8181401714T DE3171830D1 (en) 1980-12-12 1981-10-27 Frequency-dependent numerical control circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8026416A FR2496290A1 (fr) 1980-12-12 1980-12-12 Circuit d'asservissement numerique en fonction de la frequence

Publications (2)

Publication Number Publication Date
FR2496290A1 FR2496290A1 (fr) 1982-06-18
FR2496290B1 true FR2496290B1 (OSRAM) 1983-11-25

Family

ID=9249006

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8026416A Granted FR2496290A1 (fr) 1980-12-12 1980-12-12 Circuit d'asservissement numerique en fonction de la frequence

Country Status (3)

Country Link
EP (1) EP0055146B1 (OSRAM)
DE (1) DE3171830D1 (OSRAM)
FR (1) FR2496290A1 (OSRAM)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01194881A (ja) * 1988-01-26 1989-08-04 Sony Corp 記録再生装置

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1742106U (de) * 1953-12-10 1957-03-28 Siemens Ag Kathode fuer elektrische entladungsgefaesse.
NL103155C (OSRAM) * 1958-06-19 1900-01-01
US3243638A (en) * 1962-10-31 1966-03-29 Gen Electric Dispenser cathode
NL154047B (nl) * 1968-01-09 1977-07-15 Philips Nv Elektrische ontladingsbuis met een kathode die in het inwendige activeringsmateriaal bevat, en kathode bestemd voor een dergelijke ontladingsbuis.
US3546553A (en) * 1968-09-06 1970-12-08 Nasa System for maintaining a motor at a predetermined speed utilizing digital feedback means
US3646417A (en) * 1971-03-25 1972-02-29 Ibm Digital speed servomechanism
IL43254A (en) * 1972-09-28 1976-02-29 Varian Ass Ciates Gridded electron gun employing a concave cathode emitter
NL165880C (nl) * 1975-02-21 1981-05-15 Philips Nv Naleveringskathode.
FR2339202A1 (fr) * 1976-01-26 1977-08-19 Penet Pierre Ensemble de commande d'un organe electrique ou hydraulique a fonctionnement periodique et dispositif de mesure du debit d'un fluide incorporant un tel ensemble
US4152631A (en) * 1977-07-26 1979-05-01 Black Body Corporation Process time control system
FR2436434A1 (fr) * 1978-09-15 1980-04-11 Thomson Csf Discriminateur de vitesse angulaire et moteur comportant un tel dispositif

Also Published As

Publication number Publication date
EP0055146B1 (fr) 1985-08-14
FR2496290A1 (fr) 1982-06-18
EP0055146A1 (fr) 1982-06-30
DE3171830D1 (en) 1985-09-19

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Legal Events

Date Code Title Description
ST Notification of lapse