Recording, Reproducing Or Erasing Systems Characterised By The Shape [n: Or Form] Of The Carrier [n0406] {g11b 7/002} Patents (Class G9B/7.001)
Cross-Reference Art Collections
- [N: arrangements for detection of physical defects, e.g. of recording layer] [N0406] {G11B 7/0037D} (Class G9B/7.006)
- [N: using a rotating head, e.g. helicoidal recording] [N0406] {G11B 7/003R} (Class G9B/7.007)
- [N: for moving-picture soundtracks, i.e. cinema (cameras or projectors with sound recording or reproducing means G03B31/02)] [N0406] {G11B 7/003S} (Class G9B/7.008)