FR858896A - Perfectionnements aux systèmes électro-magnétiques - Google Patents

Perfectionnements aux systèmes électro-magnétiques

Info

Publication number
FR858896A
FR858896A FR858896DA FR858896A FR 858896 A FR858896 A FR 858896A FR 858896D A FR858896D A FR 858896DA FR 858896 A FR858896 A FR 858896A
Authority
FR
France
Prior art keywords
electro
magnetic systems
magnetic
systems
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
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.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston SA
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 Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Application granted granted Critical
Publication of FR858896A publication Critical patent/FR858896A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H47/00—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current
    • H01H47/22—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current for supplying energising current for relay coil
    • H01H47/223—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current for supplying energising current for relay coil adapted to be supplied by AC
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
    • H02M7/02—Conversion of ac power input into dc power output without possibility of reversal
    • H02M7/04—Conversion of ac power input into dc power output without possibility of reversal by static converters
    • H02M7/043—Conversion of ac power input into dc power output without possibility of reversal by static converters using transformers or inductors only

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Dc-Dc Converters (AREA)
  • Relay Circuits (AREA)
FR858896D 1938-08-12 1939-08-09 Perfectionnements aux systèmes électro-magnétiques Expired FR858896A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US224535A US2180159A (en) 1938-08-12 1938-08-12 Electromagnetic device

Publications (1)

Publication Number Publication Date
FR858896A true FR858896A (fr) 1940-12-05

Family

ID=22841099

Family Applications (1)

Application Number Title Priority Date Filing Date
FR858896D Expired FR858896A (fr) 1938-08-12 1939-08-09 Perfectionnements aux systèmes électro-magnétiques

Country Status (4)

Country Link
US (1) US2180159A (fr)
BE (1) BE435936A (fr)
FR (1) FR858896A (fr)
GB (1) GB532033A (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2740956A (en) * 1951-10-19 1956-04-03 Itt Polarized magneto signal device
US2931966A (en) * 1955-01-14 1960-04-05 Charles F Rockey Alternating current rectifier
US3011133A (en) * 1958-06-04 1961-11-28 Ibm Oscillator utilizing avalanche breakdown of supercooled semiconductor
DE1117778B (de) * 1958-07-29 1961-11-23 Jun Ichi Nishizawa Dr Ing Halbleiteranordnung mit einer stromabhaengigen Induktivitaet
NL274072A (fr) * 1961-02-02
US20130027112A1 (en) * 2011-07-29 2013-01-31 Yen-Wei Hsu Inductor

Also Published As

Publication number Publication date
BE435936A (fr)
US2180159A (en) 1939-11-14
GB532033A (en) 1941-01-16

Similar Documents

Publication Publication Date Title
FR852855A (fr) Perfectionnements aux systèmes oscillants électriques
FR872644A (fr) Perfectionnements aux systèmes indicateurs de position
FR861968A (fr) Perfectionnements aux systèmes de télévision
FR865522A (fr) Perfectionnements aux systèmes téléphoniques
FR50613E (fr) Perfectionnements aux systèmes de télévision
FR856153A (fr) Perfectionnements aux systèmes téléphoniques
FR933317A (fr) Perfectionnements aux systèmes radio-télégraphiques
FR847855A (fr) Perfectionnements aux systèmes aériens
FR858896A (fr) Perfectionnements aux systèmes électro-magnétiques
FR860035A (fr) Perfectionnements aux systèmes de freinage
FR951758A (fr) Perfectionnements aux systèmes téléphoniques
FR863581A (fr) Perfectionnements aux systèmes de télévision
FR847613A (fr) Perfectionnements aux stylographes
FR854039A (fr) Perfectionnements aux systèmes téléphoniques
FR851173A (fr) Perfectionnements aux systèmes de modulation
FR933150A (fr) Perfectionnements aux systèmes de télévision
FR864510A (fr) Perfectionnements aux systèmes modulateurs
FR835343A (fr) Perfectionnements aux systèmes électriques
FR931429A (fr) Perfectionnements aux systèmes radio-télégraphiques
FR840443A (fr) Systèmes modulateurs
FR853385A (fr) Perfectionnements aux systèmes téléphoniques
FR49158E (fr) Perfectionnements aux systèmes téléphoniques
FR862056A (fr) Perfectionnements aux systèmes antivibratoires
FR832760A (fr) Perfectionnements aux systèmes télégraphiques
FR850177A (fr) Perfectionnements aux systèmes de télécommunications