FR678530A - Perfectionnements aux systèmes d'alimentation applicables aux antennes - Google Patents

Perfectionnements aux systèmes d'alimentation applicables aux antennes

Info

Publication number
FR678530A
FR678530A FR678530DA FR678530A FR 678530 A FR678530 A FR 678530A FR 678530D A FR678530D A FR 678530DA FR 678530 A FR678530 A FR 678530A
Authority
FR
France
Prior art keywords
antennas
power systems
systems applicable
applicable
power
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.)
Marconis Wireless Telegraph Co Ltd
BAE Systems Electronics Ltd
Original Assignee
Marconis Wireless Telegraph Co Ltd
Marconi Co Ltd
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 Marconis Wireless Telegraph Co Ltd, Marconi Co Ltd filed Critical Marconis Wireless Telegraph Co Ltd
Application granted granted Critical
Publication of FR678530A publication Critical patent/FR678530A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
    • H03H7/38—Impedance-matching networks
    • 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
    • H04B1/02—Transmitters
    • H04B1/04—Circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Surgical Instruments (AREA)
FR678530D 1928-07-18 1929-07-17 Perfectionnements aux systèmes d'alimentation applicables aux antennes Expired FR678530A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1958991X 1928-07-18

Publications (1)

Publication Number Publication Date
FR678530A true FR678530A (fr) 1930-03-25

Family

ID=10894606

Family Applications (1)

Application Number Title Priority Date Filing Date
FR678530D Expired FR678530A (fr) 1928-07-18 1929-07-17 Perfectionnements aux systèmes d'alimentation applicables aux antennes

Country Status (2)

Country Link
US (1) US1958991A (fr)
FR (1) FR678530A (fr)

Also Published As

Publication number Publication date
US1958991A (en) 1934-05-15

Similar Documents

Publication Publication Date Title
FR669676A (fr) Tabulatrice
FR660942A (fr) Perfectionnements apportés aux skis
FR665684A (fr) écrou
FR683433A (fr) Perfectionnements aux systèmes amplificateurs électriques
FR678530A (fr) Perfectionnements aux systèmes d'alimentation applicables aux antennes
FR669114A (fr) Perfectionnements apportés aux skis
FR663806A (fr) Perfectionnements aux systèmes d'antennes radiotélégraphiques
FR668674A (fr) Perfectionnements aux systèmes d'antennes
FR701589A (fr) Perfectionnements aux systèmes d'antennes dirigées
FR657062A (fr) Perfectionnements aux moulins
FR668407A (fr) Perfectionnements aux antennes
FR688063A (fr) Perfectionnements aux systèmes d'antennes
FR630769A (fr) Perfectionnements aux skis
FR678248A (fr) Tirette
FR656421A (fr) Perfectionnements aux systèmes électriques tranformateurs d'ondes
FR35874E (fr) Perfectionnements aux systèmes de transformation des courants électriques
FR36179E (fr) Perfectionnements apportés aux régulateurs électriques
FR664326A (fr) Perfectionnements aux rouets d'antenne
FR668551A (fr) Perfectionnements aux radiogoniomètres
FR658119A (fr) Motoculteur perfectionné
FR653249A (fr) Perfectionnements apportés aux systèmes de supervision à courants porteurs
FR660578A (fr) Perfectionnements aux systèmes de propulsion
FR661948A (fr) Perfectionnements aux propulseurs
FR665364A (fr) Perfectionnements aux avertisseurs électromagnétiques
FR678590A (fr) Cabestan