[n: Time Code Signal] {g11b 27/30c1} Patents (Class G9B/27.034)

Cross-Reference Art Collections

[n: superimposed on the recorded main signal, e.g. burn-in-time code] {g11b 27/30c1a} (Class G9B/27.035)
[n: vertical interval time code (vitc)] {g11b 27/30c1b} (Class G9B/27.036)

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