US3711619A
(en )
1973-01-16
Natural performance extended range pick-up device
GB1092734A
(en )
1967-11-29
Phonograph pick-up
US1828189A
(en )
1931-10-20
Method of recording and reproducing wave frequencies
US3146319A
(en )
1964-08-25
Magnetic phonograph pickup with compensating pole piece arrangement
GB636190A
(en )
1950-04-26
Improvements in and relating to phonograph pickups
SU434455A1
(enrdf_load_stackoverflow )
1974-06-30
US1827051A
(en )
1931-10-13
Recording and reproducing system and apparatus
US4051761A
(en )
1977-10-04
Method for adjusting the tone characteristic of tone generating elements and a device therefor
US2105167A
(en )
1938-01-11
Sound recording and reproducing apparatus
US2285079A
(en )
1942-06-02
Electromagnetic sound-reproducing device
GB588178A
(en )
1947-05-15
Improvements in or connected with electro-magnetic pick-up devices for use with stringed musical instruments
US3151221A
(en )
1964-09-29
Gramophone pick-ups
GB334551A
(en )
1930-09-05
Improvements relating to electro-magnetic gramophone pick-ups or recorders
GB396990A
(en )
1933-08-17
Improvements in loud speakers and other apparatus for interconverting electrical andacoustic vibrations
GB1016298A
(en )
1966-01-12
Stereophonic pick-up cartridge
SU539318A1
(ru )
1976-12-15
Записывающа магнитна головка
SU1106027A1
(ru )
1984-07-30
Магнитна система стереофонической головки звукоснимател
GB320994A
(en )
1929-10-31
Improvements relating to sound reproducing instruments
US1284623A
(en )
1918-11-12
Telephonic recording and reproducing apparatus.
USRE17796E
(en )
1930-09-09
Phonograph reproducer
ES332160A1
(es )
1967-07-16
Una disposicion de cabezas magneticas para grabar y reproducir señales magneticas.
US1739228A
(en )
1929-12-10
Electrical reproducer for phonograph records
GB338541A
(en )
1930-11-21
Improvements in or relating to apparatus for reproducing sound electrically from sound records
SU649023A1
(ru )
1979-02-25
Устройство дл воспроизведени со стереофонической грампластинки
US2984711A
(en )
1961-05-16
Gramophone pick-ups