FR677612A - Récepteur de sons - Google Patents

Récepteur de sons

Info

Publication number
FR677612A
FR677612A FR677612DA FR677612A FR 677612 A FR677612 A FR 677612A FR 677612D A FR677612D A FR 677612DA FR 677612 A FR677612 A FR 677612A
Authority
FR
France
Prior art keywords
sound receiver
sound
receiver
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.)
Atlas Werke AG
Original Assignee
Atlas Werke AG
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 Atlas Werke AG filed Critical Atlas Werke AG
Application granted granted Critical
Publication of FR677612A publication Critical patent/FR677612A/fr
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S1/00Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith
    • G01S1/72Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using ultrasonic, sonic or infrasonic waves

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
FR677612D 1928-07-16 1929-06-28 Récepteur de sons Expired FR677612A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2051866X 1928-07-16

Publications (1)

Publication Number Publication Date
FR677612A true FR677612A (fr) 1930-03-12

Family

ID=7982681

Family Applications (1)

Application Number Title Priority Date Filing Date
FR677612D Expired FR677612A (fr) 1928-07-16 1929-06-28 Récepteur de sons

Country Status (2)

Country Link
US (1) US2051866A (fr)
FR (1) FR677612A (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2422707A (en) * 1942-07-29 1947-06-24 Submarine Signal Co Compressional wave transmitting or receiving device
US3351900A (en) * 1965-04-13 1967-11-07 Yamamoto Yujiro Acoustic transducer for use in dense medium

Also Published As

Publication number Publication date
US2051866A (en) 1936-08-25

Similar Documents

Publication Publication Date Title
FR638286A (fr) Reproducteur de sons
FR677612A (fr) Récepteur de sons
US1800588A (en) Banjo mute
FR673659A (fr) Reproducteur de sons
FR664056A (fr) Reproducteur de sons électrostatique
FR660977A (fr) émetteur de sons fonctionnant mécaniquement
FR665534A (fr) Reproducteur de sons
FR664057A (fr) Reproducteur de sons électrostatique
FR660888A (fr) Sifflets
FR667002A (fr) Microtéléphone
SU20734A1 (ru) Радиоприемное устройство
FR653019A (fr) Membrane acoustique
FR661297A (fr) Perfectionnements aux reproducteurs de sons
FR646684A (fr) Reproduction de sons
ES110699A1 (es) Reproductores de sonido.
FI12287A (fi) Radiovastaanottokone
FR683794A (fr) Reproducteur de sons
FR728270A (fr) Clarificateur de sons
FR617374A (fr) Reproducteur de sons
FR672159A (fr) Microphone
FR672063A (fr) Haut-parleur
FR648477A (fr) Haut-parleur
FR660970A (fr) Haut-parleur
FR692341A (fr) Enregistreur de sons
FR678652A (fr) Reproducteur électromagnétique de sons