Using Record Carriers Having Variable Electrical Capacitance; Record Carriers Therefor (g9b/9.012 Takes Precedence) {g11b 9/06} Patents (Class G9B/9.014)

Cross-Reference Art Collections

[n: record carriers characterised by their structure or form or by the selection of the material; apparatus or processes specially adapted for the manufacture of record carriers (processes involving a single technical art and for which provision exists elsewhere, see the relevant class, e.g. b05d, f16n, c08l)] {g11b 9/06r} (Class G9B/9.015)

[N: characterised by the form, e.g. comprising mechanical protection elements] {G11B 9/06R2} (Class G9B/9.016)
[N: characterised by the selection of the material] {G11B 9/06R4} (Class G9B/9.017)

Heads for reproducing capacitive information {g11b 9/07} (Class G9B/9.022)

[N: using mechanical contact with record carrier, e.g. by stylus] {G11B 9/07B} (Class G9B/9.023)

There are no patents to show for this class.