FR679502A - Casque téléphonique pour aviation - Google Patents
Casque téléphonique pour aviationInfo
- 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
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)
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)
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 |
-
1929
- 1929-07-29 FR FR679502D patent/FR679502A/fr not_active Expired
Cited By (2)
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 |