CH268583A
(en )
1950-05-31
Magnetic tape recording and playback apparatus.
FR986149A
(en )
1951-07-27
Method and device for magnetic recording on discs and for magnetic reproduction of such discs
SU76436A1
(en )
1948-11-30
Method of reproduction of soundtrack of magnetic sound recording on tape
SU76693A1
(en )
1948-11-30
Method of mass production of phonograms for magnetic reproduction
SU74944A1
(en )
1948-11-30
Method of making ferromagnetic tape
FR1006229A
(en )
1952-04-21
Device for recording and reproducing sound by the magnetic process
FR1337802A
(en )
1963-08-12
Magnetic tape recorder for recording sound
FR1037553A
(en )
1953-09-21
Magnetic recording medium tape copying method
CH289208A
(en )
1953-02-28
Magnetic sound recording and reproducing device.
DK86119C
(en )
1958-08-25
Magnetic sound recording and reproducing apparatus.
AU135626B2
(en )
1947-07-24
Improved means for recording and reproducing sound on film tape
AU571946A
(en )
1947-07-24
Improved means for recording and reproducing sound on film tape
DK87911C
(en )
1959-09-28
Magnetic sound recording and reproducing apparatus.
NL182593B
(en )
MAGNETIC TAPE CASSETTE DEVICE.
AT194154B
(en )
1957-12-27
Magnetic sound recording and reproducing device
FR1064183A
(en )
1954-05-11
Method of sound reproduction of a magnetic recording
NL177953B
(en )
CASSETTE TAPE RECORDING AND / OR PLAYBACK DEVICE.
AU164044B2
(en )
1952-03-13
Apparatus for magnetic sound-recording and sound reproduction
FR1061975A
(en )
1954-04-16
Magnetic recording medium
FR1067641A
(en )
1954-06-17
Method for demagnetization of magnetic sound recording tapes
DK80034C
(en )
1955-10-24
Magnetic recording and reproducing head.
CH300656A
(en )
1954-08-15
Device on magnetic sound recorders to find specific soundtrack locations on sound carriers.
FR1107855A
(en )
1956-01-05
Improvement in methods of reproducing magnetic recordings
AU728952A
(en )
1952-03-13
Apparatus for magnetic sound-recording and sound reproduction
CH293476A
(en )
1953-09-30
Combined apparatus for magnetic recording and reproduction of sound and reproduction on discs.