[go: up one dir, main page]

FR818828A - Reversible oscillators for the transmission and reception of underwater waves - Google Patents

Reversible oscillators for the transmission and reception of underwater waves

Info

Publication number
FR818828A
FR818828A FR818828DA FR818828A FR 818828 A FR818828 A FR 818828A FR 818828D A FR818828D A FR 818828DA FR 818828 A FR818828 A FR 818828A
Authority
FR
France
Prior art keywords
oscillators
reversible
reception
transmission
underwater waves
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
French (fr)
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.)
J CARPENTIER ATEL
Original Assignee
J CARPENTIER ATEL
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 J CARPENTIER ATEL filed Critical J CARPENTIER ATEL
Application granted granted Critical
Publication of FR818828A publication Critical patent/FR818828A/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10KSOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K13/00Cones, diaphragms, or the like, for emitting or receiving sound in general

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
FR818828D 1937-09-10 1936-06-10 Reversible oscillators for the transmission and reception of underwater waves Expired FR818828A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR49261T 1937-09-10

Publications (1)

Publication Number Publication Date
FR818828A true FR818828A (en) 1937-10-04

Family

ID=8684461

Family Applications (2)

Application Number Title Priority Date Filing Date
FR818828D Expired FR818828A (en) 1937-09-10 1936-06-10 Reversible oscillators for the transmission and reception of underwater waves
FR49261D Expired FR49261E (en) 1937-09-10 1937-09-10 Reversible oscillators for the transmission and reception of underwater waves

Family Applications After (1)

Application Number Title Priority Date Filing Date
FR49261D Expired FR49261E (en) 1937-09-10 1937-09-10 Reversible oscillators for the transmission and reception of underwater waves

Country Status (1)

Country Link
FR (2) FR818828A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2511689A (en) * 1944-02-28 1950-06-13 Raytheon Mfg Co Submarine signaling apparatus
US2515154A (en) * 1946-07-15 1950-07-11 Sangamo Electric Co Transducer
US3286227A (en) * 1953-02-20 1966-11-15 Gerard T Aldrich Line hydrophone

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2511689A (en) * 1944-02-28 1950-06-13 Raytheon Mfg Co Submarine signaling apparatus
US2515154A (en) * 1946-07-15 1950-07-11 Sangamo Electric Co Transducer
US3286227A (en) * 1953-02-20 1966-11-15 Gerard T Aldrich Line hydrophone

Also Published As

Publication number Publication date
FR49261E (en) 1939-02-16

Similar Documents

Publication Publication Date Title
FR828571A (en) Electromagnetic wave transmission systems
FR862785A (en) Radiant devices for the propagation of electromagnetic waves
FR817749A (en) Device for the selective transmission of modulated carrier waves
FR862718A (en) Radiant devices for the propagation of electromagnetic waves
FR829274A (en) Electric wave transmission lines
FR786417A (en) Device for the directed transmission or reception of ultra-short electromagnetic waves
FR818828A (en) Reversible oscillators for the transmission and reception of underwater waves
FR755113A (en) Wave transmitters and receivers
FR804966A (en) Improvements to transmit and receive antennas for ultra-short directed waves
FR789261A (en) Conduit and antenna system for ultrashort electromagnetic waves
FR822129A (en) Wave transmission systems
FR799368A (en) Device for the transmission and reception of ultra-short waves
FR768161A (en) Device for the transmission and reception of ultra-short waves
FR765084A (en) Device for the transmission and reception of ultra-short waves
FR784961A (en) ultra-short wave transmitter and receiver
FR770430A (en) Oscillating device for transmitters or receivers of underwater waves
FR785967A (en) Method and device for the production of short waves
FR740826A (en) Liquid for the production of permanent waves
FR737182A (en) Ultra-shortwave transmission and reception device
FR779972A (en) Direction finder eliminating the disturbing effects of anomalies in the emission, propagation and reception of waves
FR727322A (en) Improvements in the production and reception of very high frequency microwave waves
FR669935A (en) Antennas for the transmission and reception of directed electromagnetic waves
FR765483A (en) Mooring device made up of braced piles
FR824085A (en) Electrical systems for the transmission of sound waves
FR813478A (en) Method of coupling a short wave generator with a damped wave generator for electro-medical applications