FR675630A - Perfectionnements dans les transformateurs différentiels à haute fréquence - Google Patents

Perfectionnements dans les transformateurs différentiels à haute fréquence

Info

Publication number
FR675630A
FR675630A FR675630DA FR675630A FR 675630 A FR675630 A FR 675630A FR 675630D A FR675630D A FR 675630DA FR 675630 A FR675630 A FR 675630A
Authority
FR
France
Prior art keywords
high frequency
frequency differential
differential transformers
transformers
frequency
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)
French (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.)
Telefonaktiebolaget LM Ericsson AB
Original Assignee
Telefonaktiebolaget LM Ericsson AB
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 Telefonaktiebolaget LM Ericsson AB filed Critical Telefonaktiebolaget LM Ericsson AB
Application granted granted Critical
Publication of FR675630A publication Critical patent/FR675630A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F19/00—Fixed transformers or mutual inductances of the signal type
    • H01F19/04—Transformers or mutual inductances suitable for handling frequencies considerably beyond the audio range
    • H01F19/06—Broad-band transformers, e.g. suitable for handling frequencies well down into the audio range
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/40—Circuits
    • H04B1/54—Circuits using the same frequency for two directions of communication
    • H04B1/58—Hybrid arrangements, i.e. arrangements for transition from single-path two-direction transmission to single-direction transmission on each of two paths or vice versa

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
FR675630D 1928-05-30 1929-05-23 Perfectionnements dans les transformateurs différentiels à haute fréquence Expired FR675630A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE675630X 1928-05-30

Publications (1)

Publication Number Publication Date
FR675630A true FR675630A (fr) 1930-02-12

Family

ID=20314746

Family Applications (1)

Application Number Title Priority Date Filing Date
FR675630D Expired FR675630A (fr) 1928-05-30 1929-05-23 Perfectionnements dans les transformateurs différentiels à haute fréquence

Country Status (3)

Country Link
BE (1) BE360983A (enrdf_load_stackoverflow)
FR (1) FR675630A (enrdf_load_stackoverflow)
NL (1) NL35059C (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
NL35059C (enrdf_load_stackoverflow)
BE360983A (enrdf_load_stackoverflow)

Similar Documents

Publication Publication Date Title
FR675630A (fr) Perfectionnements dans les transformateurs différentiels à haute fréquence
FR684552A (fr) Substances magnétiques
FR663736A (fr) Tubes pour pâtes et autres applications
FR696145A (fr) Passoire à tamis interchangeables
FR647506A (fr) Secoueur-tarare-cribleur et ensacheur
FR653568A (fr) Agenda
FR703283A (fr) Transformateur à haute fréquence
FR31452E (fr) Perfectionnements dans les transformateurs à haute fréquence pour amplificateurs
FR611403A (fr) Perfectionnements dans les transformateurs à haute fréquence pour amplificateurs
FR651062A (fr) Fréquencemètre
FI11874A (fi) Blandningsapparat och blandningsförfarande
FI12809A (fi) Byggnadssätt och håltegel härför
FI13087A (fi) Anordning vid hästskor med utbytbara grepp och broddar
FR667773A (fr) Transformateur symétrique
FI12062A (fi) Sätt att tillverka gummigaloscher och tygskor med gummisulor
FR679633A (fr) Amélioration dans les phonographes
FR649960A (fr) Nouveau ventilateur-aspirateur
FR649813A (fr) Anneaux pour rideaux
FR653681A (fr) Différentiel
FR652499A (fr) Rabot à taupinières
FR692709A (fr) Poteau indicateur
FI12815A (fi) Anordning vid kassaregister och liknande
FR666603A (fr) Résonateur électromagnétique
FI12043A (fi) Med inbyggda värmeackumulatorer utrustad tvåtaktsförbränningsmotor
FI11980A (fi) Trycklager med vätskefriktion