FR704443A - émission et réception sans fil d'oscillations à basse fréquence - Google Patents

émission et réception sans fil d'oscillations à basse fréquence

Info

Publication number
FR704443A
FR704443A FR704443DA FR704443A FR 704443 A FR704443 A FR 704443A FR 704443D A FR704443D A FR 704443DA FR 704443 A FR704443 A FR 704443A
Authority
FR
France
Prior art keywords
class
reception
low frequency
wireless transmission
aerial
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.)
SIGNAL FUNK GmbH
Original Assignee
SIGNAL FUNK GmbH
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 SIGNAL FUNK GmbH filed Critical SIGNAL FUNK GmbH
Application granted granted Critical
Publication of FR704443A publication Critical patent/FR704443A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Transmitters (AREA)
  • Circuit For Audible Band Transducer (AREA)
FR704443D 1929-11-11 1930-10-28 émission et réception sans fil d'oscillations à basse fréquence Expired FR704443A (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE704443X 1929-11-11
FR703804T 1930-10-17
GB33298/30A GB369198A (en) 1929-11-11 1930-11-05 Improvements in wireless telephone system
CH154969T 1931-06-01

Publications (1)

Publication Number Publication Date
FR704443A true FR704443A (fr) 1931-05-20

Family

ID=49714110

Family Applications (2)

Application Number Title Priority Date Filing Date
FR703804D Expired FR703804A (fr) 1929-11-11 1930-10-17 Procédé de téléphonie sans fil à faible portée
FR704443D Expired FR704443A (fr) 1929-11-11 1930-10-28 émission et réception sans fil d'oscillations à basse fréquence

Family Applications Before (1)

Application Number Title Priority Date Filing Date
FR703804D Expired FR703804A (fr) 1929-11-11 1930-10-17 Procédé de téléphonie sans fil à faible portée

Country Status (3)

Country Link
CH (1) CH154969A (fr)
FR (2) FR703804A (fr)
GB (1) GB369198A (fr)

Also Published As

Publication number Publication date
GB369198A (en) 1932-03-07
FR703804A (fr) 1931-05-06
CH154969A (de) 1932-05-31

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