BR7308203D0 - Aperfeicoamentos dos transdutores eletroacusticos de emissao recepcao de ondas ultra-sonoras - Google Patents

Aperfeicoamentos dos transdutores eletroacusticos de emissao recepcao de ondas ultra-sonoras

Info

Publication number
BR7308203D0
BR7308203D0 BR820373A BR820373A BR7308203D0 BR 7308203 D0 BR7308203 D0 BR 7308203D0 BR 820373 A BR820373 A BR 820373A BR 820373 A BR820373 A BR 820373A BR 7308203 D0 BR7308203 D0 BR 7308203D0
Authority
BR
Brazil
Prior art keywords
ultrasound waves
acoustic transducers
electric acoustic
emission reception
emission
Prior art date
Application number
BR820373A
Other languages
English (en)
Portuguese (pt)
Inventor
Csf Thomson
Original Assignee
Csf Thomson
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 Csf Thomson filed Critical Csf Thomson
Publication of BR7308203D0 publication Critical patent/BR7308203D0/pt

Links

BR820373A 1972-10-20 1973-10-19 Aperfeicoamentos dos transdutores eletroacusticos de emissao recepcao de ondas ultra-sonoras BR7308203D0 (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7237261A FR2204094B1 (OSRAM) 1972-10-20 1972-10-20

Publications (1)

Publication Number Publication Date
BR7308203D0 true BR7308203D0 (pt) 1974-07-11

Family

ID=9105960

Family Applications (1)

Application Number Title Priority Date Filing Date
BR820373A BR7308203D0 (pt) 1972-10-20 1973-10-19 Aperfeicoamentos dos transdutores eletroacusticos de emissao recepcao de ondas ultra-sonoras

Country Status (3)

Country Link
BR (1) BR7308203D0 (OSRAM)
ES (1) ES419786A1 (OSRAM)
FR (1) FR2204094B1 (OSRAM)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1366825A (fr) * 1963-05-15 1964-07-17 Csf Projecteur d'ultra-sons à électrostriction
FR2085545B1 (OSRAM) * 1970-04-30 1973-10-19 Brandt Otto

Also Published As

Publication number Publication date
ES419786A1 (es) 1976-03-16
FR2204094A1 (OSRAM) 1974-05-17
FR2204094B1 (OSRAM) 1978-10-20

Similar Documents

Publication Publication Date Title
BE798009A (fr) Transducteur acoustique piezoelectrique
IT972509B (it) Alloggiamento perfezionato per trasduttori elettro acustici
IT1002250B (it) Trasduttore elettroacustico subacqueo
BR7405068A (pt) Transdutor acustico
CA1029122A (en) Surface acoustic wave transducer
IT1072762B (it) Trasduttore ultrasonico
AU473382B2 (en) Two-dimensional coils for electromagnetic generation and detection of acoustic waves
FR2306592A1 (fr) Transducteur ultrasonore
AU502656B2 (en) Acoustic surface wave transducer
CA961574A (en) Acoustic surface wave resonator
IT986369B (it) Trasduttore elettroacustico
HK46980A (en) Active control of sound waves
IT989118B (it) Trasduttore elettroacustico
IT998104B (it) Dispositivo trasmettitore d energia acustica
IT989204B (it) Trasduttore elettroacustico
IT1038307B (it) Dispositivo per l emissione di onde acustiche mediante implosione
GB1550483A (en) Acoustic wave transducer devices
IT1016769B (it) Dispositivo di allarme acustico comprendente un trasduttore piezo elettrico
IT958792B (it) Dispositivo a onda acustica di superficie
BR7303497D0 (pt) Emissor de som eletroacustico
IT979752B (it) Trasduttore piezoelettrico
BR7308203D0 (pt) Aperfeicoamentos dos transdutores eletroacusticos de emissao recepcao de ondas ultra-sonoras
BR7301463D0 (pt) Transdutor eletroacustico
IT1016742B (it) Dispositivo ad onde acustiche di superficie
GB1541567A (en) Surface acoustic wave transducers