DK104687C
(en )
1966-06-20
Apparatus for recording and playing video signals.
DK104138C
(en )
1966-04-12
Apparatus for magnetic recording and recording of video signals.
AT195138B
(en )
1958-01-25
Sound recording and reproducing device
AU215092B2
(en )
1956-11-08
Improvements in magnetic sound recording apparatus
DK103836C
(en )
1966-02-28
Method for recording and playback of magnetic recordings, and apparatus for performing the method.
DK78669C
(en )
1954-12-27
Apparatus for magnetic sound recording and reproduction.
CA518126A
(en )
1955-11-08
Sound recording and reproducing apparatus
DK88159C
(en )
1959-11-16
Magnetic recording and reproducing apparatus.
DK99287C
(en )
1964-07-13
Apparatus for magnetic recording and reproduction of sound.
DK93876C
(en )
1962-07-09
Apparatus for magnetic recording and reproduction of sound.
CA514554A
(en )
1955-07-12
Sound recording or reproducing apparatus
DK87911C
(en )
1959-09-28
Magnetic sound recording and reproducing apparatus.
AU207228B2
(en )
1956-05-24
Apparatus and method for comparing recorded information
DK103569C
(en )
1966-01-24
Method for recording and playing back magnetic recordings and apparatus for performing the method.
DK86119C
(en )
1958-08-25
Magnetic sound recording and reproducing apparatus.
CA500365A
(en )
1954-03-02
Apparatus for sterephonic sound reproduction
DK89965C
(en )
1960-11-07
Apparatus for recording or reproducing records.
AU1374155A
(en )
1956-05-24
Apparatus and method for comparing recorded information
DK99530C
(en )
1964-08-17
Apparatus for reproducing sound signals.
AU207726B2
(en )
1955-09-22
Miniature magnetic sound recording and reproducing apparatus
FR1146732A
(en )
1957-11-14
Method and device for the corrected reproduction of sound recordings
DK102750C
(en )
1965-10-04
Sound reproduction system and sound reproduction apparatus for use in such a system.
CA513108A
(en )
1955-05-24
Magnetic transducing apparatus
DK78855C
(en )
1955-02-14
Apparatus for magnetic recording of sound oscillations on a linear carrier and for reproducing such.
DK83226C
(en )
1957-08-05
Device for recording and reproducing apparatus with plate-shaped magnetizable sound carrier.