| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 4 | |
| #2 | United Kingdom | 3 | |
| #3 | United States | 3 | |
| #4 | Germany | 1 |
| # | Industry | |
|---|---|---|
| #1 | Audio-visual technology | |
| #2 | Machines | |
| #3 | Measurement | |
| #4 | Control |
| # | Name | Total Patents |
|---|---|---|
| #1 | Namenyi-Katz Laszlo | 4 |
| #2 | Laszlo Namenyi-Katz | 3 |
| #3 | Balazs Mitlos | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB924134A | Improvements in or relating to the control of the speed of a shaft, particularly for tape transport mechanisms for magnetic tape recorders | |
| GB868145A | Improvements in or relating to multi-track tape recording heads | |
| US2974056A | Magnetic recording media | |
| US3032613A | Cassettes for magnetic recorders and recorders for use with these | |
| DE1076954B | Device to transfer the magnetic heads of multi-track tape recorders from one track to another | |
| GB787405A | Improvements in or relating to magnetic tape recorders |