DE943323C
(de)
*
|
1936-02-07 |
1956-05-17 |
Johannes Gruetzmacher Dr Ing |
Einrichtung zum Senden oder Empfangen mechanischer Schwingungen
|
US2444967A
(en)
*
|
1936-03-23 |
1948-07-13 |
Submarine Signal Co |
Oscillator
|
DE759452C
(de)
*
|
1938-11-23 |
1951-07-26 |
Siemens Reiniger Werke Ag |
Einrichtung zur Erzeugung und Anwendung von Ultraschall
|
DE750135C
(de)
*
|
1940-03-22 |
1944-12-15 |
|
Einrichtung zur Aussendung von Schallimpulsen bzw. Schallzeichen kurzer Dauer zur Abstandsbestimmung
|
DE967417C
(de)
*
|
1940-09-18 |
1957-11-07 |
Siemens Ag |
Magnetostriktionsschwinger
|
US2452085A
(en)
*
|
1942-08-06 |
1948-10-26 |
Submarine Signal Co |
Means for the interchange of electrical and acoustical energy
|
US2434285A
(en)
*
|
1943-02-27 |
1948-01-13 |
Bell Telephone Labor Inc |
Compressional wave translating device
|
DE954398C
(de)
*
|
1943-06-22 |
1956-12-13 |
Atlas Werke Ag |
Vorrichtung zum Senden oder Empfangen von Schallwellen
|
US2473971A
(en)
*
|
1944-02-25 |
1949-06-21 |
Donald E Ross |
Underwater transducer
|
US2497901A
(en)
*
|
1944-08-18 |
1950-02-21 |
Bell Telephone Labor Inc |
Magnetostrictive transmitter
|
US2438926A
(en)
*
|
1944-08-18 |
1948-04-06 |
Bell Telephone Labor Inc |
Magnetostrictive supersonic transducer
|
US2422425A
(en)
*
|
1944-11-29 |
1947-06-17 |
Rca Corp |
Art of tuning magnetostrictive elements
|
US2705313A
(en)
*
|
1945-03-28 |
1955-03-29 |
Francis P Bundy |
Magnetostriction oscillator
|
US2480199A
(en)
*
|
1945-07-09 |
1949-08-30 |
Us Sec War |
Reflector
|
US2468837A
(en)
*
|
1945-08-02 |
1949-05-03 |
Bell Telephone Labor Inc |
Magnetostrictive transducer
|
US2595791A
(en)
*
|
1946-04-05 |
1952-05-06 |
Us Navy |
Transducer
|
US2530971A
(en)
*
|
1947-07-26 |
1950-11-21 |
Standard Oil Dev Co |
Acoustic well logging apparatus
|
US2490273A
(en)
*
|
1947-11-18 |
1949-12-06 |
Standard Oil Dev Co |
Structure for magnetostriction transducers
|
US2550771A
(en)
*
|
1948-07-20 |
1951-05-01 |
Pennsylvania Res Corp |
Magnetostriction transducer
|
US2879496A
(en)
*
|
1948-09-30 |
1959-03-24 |
Research Corp |
Plastic cast ring stack transducer
|
US2613261A
(en)
*
|
1948-12-08 |
1952-10-07 |
Massa Frank |
Underwater transducer
|
US2521136A
(en)
*
|
1949-04-28 |
1950-09-05 |
Commerce National Bank Of |
Hydrophone
|
US2631271A
(en)
*
|
1949-04-28 |
1953-03-10 |
Commerce National Bank Of |
Tubular hydrophone
|
US2530224A
(en)
*
|
1949-08-02 |
1950-11-14 |
Pennsylvania Res Corp |
Magnetostriction transducer
|
DE937419C
(de)
*
|
1949-10-16 |
1956-01-05 |
Siemens Reiniger Werke Ag |
Piezoelektrischer Wandler
|
US2638577A
(en)
*
|
1949-11-15 |
1953-05-12 |
Harris Transducer Corp |
Transducer
|
US2617874A
(en)
*
|
1950-02-16 |
1952-11-11 |
Pennsylvania Res Corp |
System for the production of a high-pressure sound field
|
DE977490C
(de)
*
|
1950-03-17 |
1966-08-18 |
Bendix Corp |
Magnetostriktiver Laengsschwinger
|
US2767387A
(en)
*
|
1950-04-05 |
1956-10-16 |
Clevite Corp |
Cylindrical electro-mechanical transducer
|
US2943297A
(en)
*
|
1950-04-27 |
1960-06-28 |
Raymond L Steinberger |
Multiple element electroacoustic transducer
|
US2945208A
(en)
*
|
1951-01-05 |
1960-07-12 |
Gen Electric |
Compressional wave transducer
|
DE1120784B
(de)
*
|
1951-03-06 |
1961-12-28 |
Bendix Corp |
UEbertrager zum Umwandeln von Schallwellen in elektrische Wellen und umgekehrt
|
US2749532A
(en)
*
|
1952-06-04 |
1956-06-05 |
Harris Transducer Corp |
Hydrophone
|
US2776417A
(en)
*
|
1952-11-04 |
1957-01-01 |
Harris Transducer Corp |
Compensated winding
|
US2938592A
(en)
*
|
1953-03-23 |
1960-05-31 |
Jersey Prod Res Co |
Seismic velocity well logging apparatus
|
US2858108A
(en)
*
|
1953-04-22 |
1958-10-28 |
Drilling Res Inc |
Well drilling system
|
US2746026A
(en)
*
|
1953-08-14 |
1956-05-15 |
Bendix Aviat Corp |
Half wave annular transducer
|
US2890354A
(en)
*
|
1954-07-01 |
1959-06-09 |
Libbey Owens Ford Glass Co |
Vibratory devices
|
US2884084A
(en)
*
|
1954-10-28 |
1959-04-28 |
Sussman Harry |
Acoustic panel
|
US2826396A
(en)
*
|
1955-02-01 |
1958-03-11 |
Telephonics Corp |
Vibration producing apparatus
|
US2981357A
(en)
*
|
1955-02-01 |
1961-04-25 |
Socony Mobil Oil Co Inc |
Submerged strata acoustic probe system
|
US2961638A
(en)
*
|
1955-04-25 |
1960-11-22 |
Jr Louis R Padberg |
Magnetostrictive electro-acoustical transducer
|
US2947888A
(en)
*
|
1956-05-11 |
1960-08-02 |
Harris Transducer Corp |
Transducer construction
|
DE1097730B
(de)
*
|
1956-07-03 |
1961-01-19 |
Prakla Gmbh |
Anordnung zur Vermeidung der Kopplung zwischen ringfoermigen magnetostriktiven Schallwandlern
|
DE1107000B
(de)
*
|
1956-09-25 |
1961-05-18 |
Libbey Owens Ford Glass Co |
Schwingungsvorrichtung zur Erzeugung von Schwingungen, insbesondere Ultraschallschwingungen, in einem UEbertragungsmedium
|
US2930913A
(en)
*
|
1957-10-02 |
1960-03-29 |
Bendix Aviat Corp |
Transducers for generating vibrations in liquids
|
US3068446A
(en)
*
|
1958-08-21 |
1962-12-11 |
Stanley L Ehrlich |
Tubular electrostrictive transducer with spaced electrodes and loading masses
|
AU567252B2
(en)
*
|
1983-10-31 |
1987-11-12 |
Gould Inc. |
Low frequency sound transducer
|
AU578129B2
(en)
*
|
1984-12-19 |
1988-10-13 |
Gould Inc. |
A rare earth flextensional transducer
|