|
BE483732A
(enrdf_load_stackoverflow)
*
|
1944-05-03 |
|
|
|
|
US2476414A
(en)
*
|
1945-05-24 |
1949-07-19 |
William H Hutter |
Phonograph pickup having plastic torsion arm
|
|
US2510585A
(en)
*
|
1945-08-21 |
1950-06-06 |
Rca Corp |
Dynamic galvanometer
|
|
US2510342A
(en)
*
|
1946-04-03 |
1950-06-06 |
Avco Mfg Corp |
Pickup mounting
|
|
US2562741A
(en)
*
|
1947-02-13 |
1951-07-31 |
Dictaphone Corp |
Method of making sealed electromechanical translating devices
|
|
US2539297A
(en)
*
|
1947-02-27 |
1951-01-23 |
Lazaro Luis Nicolas Gomez De |
Electric musical instrument
|
|
US2519185A
(en)
*
|
1947-03-21 |
1950-08-15 |
Brush Dev Co |
Phonograph pickup
|
|
US2518861A
(en)
*
|
1947-03-21 |
1950-08-15 |
Brush Dev Co |
Phonograph pickup
|
|
US2564054A
(en)
*
|
1947-10-10 |
1951-08-14 |
Magnavox Co |
Phonograph pickup and mechanical motion converting system therefor
|
|
US2594948A
(en)
*
|
1947-10-30 |
1952-04-29 |
Brush Dev Co |
Electromechanical transducer unit
|
|
US2498210A
(en)
*
|
1948-11-02 |
1950-02-21 |
Avco Mfg Corp |
Piezoelectric phonograph pickup device
|
|
NL77992C
(enrdf_load_stackoverflow)
*
|
1950-03-02 |
|
|
|
|
DE1026979B
(de)
*
|
1952-03-13 |
1958-03-27 |
Electroacustik Ges M B H |
Vorrichtung zur Herstellung einer loesbaren Verbindung zwischen einem Tonabnehmer und einem Abtastorgan
|
|
DE1026980B
(de)
*
|
1952-03-27 |
1958-03-27 |
Electroacustik Ges M B H |
Piezoelektrischer Tonabnehmer
|
|
DE1029173B
(de)
*
|
1952-09-15 |
1958-04-30 |
Daniel Tefi Apparatebau |
Piezoelektrischer Tonabnehmer
|
|
DE1053802B
(de)
*
|
1953-05-28 |
1959-03-26 |
Tefi Appbau Dr Daniel K G |
Verfahren zur Herstellung eines piezoelektrischen Tonabnehmers
|
|
US2879413A
(en)
*
|
1956-08-21 |
1959-03-24 |
Sonotone Corp |
Phonograph pickups
|
|
US2839695A
(en)
*
|
1957-01-31 |
1958-06-17 |
Donald H Robey |
Frequency controllable piezo-electric resonator
|
|
US3377439A
(en)
*
|
1958-04-03 |
1968-04-09 |
Erie Technological Prod Inc |
Binaural piezoelectric pickup
|
|
GB1052623A
(enrdf_load_stackoverflow)
*
|
1962-06-20 |
|
|
|
|
US3465747A
(en)
*
|
1964-11-17 |
1969-09-09 |
Vernon L Rogallo |
Ballistocardiograph
|
|
US3374663A
(en)
*
|
1965-04-16 |
1968-03-26 |
Electronic Systems Inc |
Vibration detector
|
|
US3582692A
(en)
*
|
1968-05-01 |
1971-06-01 |
U S Research Corp |
Resiliently supported sensing transducer
|
|
US4051396A
(en)
*
|
1974-02-28 |
1977-09-27 |
Channel Products, Inc. |
Encapsulation to prevent fracture of piezoelectric high voltage mechanism
|
|
JPS59501895A
(ja)
*
|
1982-10-19 |
1984-11-15 |
アイバツク コ−ポレイシヨン |
電子式血圧計
|
|
US7622844B1
(en)
*
|
2003-12-30 |
2009-11-24 |
Hipercon, Llc |
Metal fiber brush interface conditioning
|