FR679502A - Casque téléphonique pour aviation - Google Patents

Casque téléphonique pour aviation

Info

Publication number
FR679502A
FR679502A FR679502DA FR679502A FR 679502 A FR679502 A FR 679502A FR 679502D A FR679502D A FR 679502DA FR 679502 A FR679502 A FR 679502A
Authority
FR
France
Prior art keywords
aviation headset
headset
aviation
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)
Inventor
Tito Rodolfo Jonghi
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 filed Critical
Application granted granted Critical
Publication of FR679502A publication Critical patent/FR679502A/fr
Expired legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A42—HEADWEAR
    • A42B—HATS; HEAD COVERINGS
    • A42B3/00—Helmets; Helmet covers ; Other protective head coverings
    • A42B3/04—Parts, details or accessories of helmets
    • A42B3/30—Mounting radio sets or communication systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/04—Supports for telephone transmitters or receivers
    • H04M1/05—Supports for telephone transmitters or receivers specially adapted for use on head, throat or breast

Landscapes

  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
FR679502D 1929-06-25 1929-07-29 Casque téléphonique pour aviation Expired FR679502A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT679502X 1929-06-25

Publications (1)

Publication Number Publication Date
FR679502A true FR679502A (fr) 1930-04-14

Family

ID=11306634

Family Applications (1)

Application Number Title Priority Date Filing Date
FR679502D Expired FR679502A (fr) 1929-06-25 1929-07-29 Casque téléphonique pour aviation

Country Status (1)

Country Link
FR (1) FR679502A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4473130A (en) * 1981-10-12 1984-09-25 Hauni-Werke Korber & Co. Kg. Crash helmet with communication system
US4505358A (en) * 1982-01-11 1985-03-19 Ulrich Sielaff Voice communicator

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4473130A (en) * 1981-10-12 1984-09-25 Hauni-Werke Korber & Co. Kg. Crash helmet with communication system
US4505358A (en) * 1982-01-11 1985-03-19 Ulrich Sielaff Voice communicator

Similar Documents

Publication Publication Date Title
FR40639E (fr) Sécurité pour fusées
FR691375A (fr) Sécurité pour fusées
FR679502A (fr) Casque téléphonique pour aviation
FR684161A (fr) Hélice
FR686958A (fr) Haut-parleur pour téléphone
FR690482A (fr) Aéroplane
FR688210A (fr) Direction pour aéroplanes
FR699114A (fr) Parachute
FR668890A (fr) égreneuse pour épis
FR703808A (fr) Sécurité pour fusées
FR691765A (fr) Magneto-moteur pour haut-parleur
FR681741A (fr) Parachute pour avions
FR683150A (fr) Gouvernails pour avions
FR684058A (fr) Microtéléphone
FI12566A (fi) Mikrotelefon
FR677293A (fr) Aéronef
FR673611A (fr) Aéronef
FR687867A (fr) Dévideuse
FR700183A (fr) Modérateurs
FR37007E (fr) Métier de guimpier
FR692746A (fr) Agencements pour cendriers
FR690912A (fr) Aéroplane
FR686601A (fr) Aéroplane
FR675313A (fr) Aéroplane
FR37538E (fr) Compte-tours