CA491790A
(en )
1953-04-07
Process and means for sound track recording on a support and for sound reproducing by scanning said track
CA496431A
(en )
1953-09-29
Support for sound reproducing apparatus
AU209004B2
(en )
1956-07-12
Means for controlling the movements ofthe record and sound headin sound recording and reproducing apparatus
CA514554A
(en )
1955-07-12
Sound recording or reproducing apparatus
CA492251A
(en )
1953-04-21
Apparatus for playing gramophone records
CA497212A
(en )
1953-10-27
Apparatus and methods for producing disc phonograph records
AU1501756A
(en )
1956-07-12
Means for controlling the movements ofthe record and sound headin sound recording and reproducing apparatus
AU165486B2
(en )
1953-10-22
Magnetic head for recording reproducing
CA524523A
(en )
1956-05-01
Sound recording or reproducing apparatus
NL185041C
(en )
DEVICE FOR RECORDING AND PLAYING BACK OF AUDIO INFORMATION ON, RESPECTIVELY OFF, A MAGNETIC SHEET.
CA518126A
(en )
1955-11-08
Sound recording and reproducing apparatus
AU2079353A
(en )
1953-10-22
Magnetic head for recording reproducing
CA495670A
(en )
1953-09-01
Magnetic recording and reproducing apparatus
AU208451B2
(en )
1956-06-14
Control mechanism fora sound recording and reproducing headin sound recording and reproducing apparatus
AU164044B2
(en )
1952-03-13
Apparatus for magnetic sound-recording and sound reproduction
CA483343A
(en )
1952-05-20
Data recording system employing record controlled apparatus
CA513385A
(en )
1955-05-31
Apparatus for demagnetizing a recording reproducing head
DK82047C
(en )
1957-02-11
Tone head for a magnetic sound recording and reproducing apparatus.
AU209003B2
(en )
1956-07-12
Mechanism for moving a record insound recording and reproducing apparatus
CA489215A
(en )
1952-12-30
Device for duplicating magnetic recordings by a recording process
AU1433055A
(en )
1956-06-14
Control mechanism fora sound recording and reproducing headin sound recording and reproducing apparatus
CA497809A
(en )
1953-11-17
Phonographic recording and rerecording apparatus
AU728952A
(en )
1952-03-13
Apparatus for magnetic sound-recording and sound reproduction
CA511618A
(en )
1955-04-05
Sound recording and reproducing system with recorded control signal
CA503397A
(en )
1954-06-01
Sound recording and reproducing machine