[n: With Head Driven In A Plane, Cyclically Around An Axis, E.g. On Headwheel (construction Of Headwheel G9b/5.174, G9b/21.023; Disposition Of Heads On Headwheel G9b/5.175, G9b/21.003)] {g11b 15/18b2r} Patents (Class G9B/15.025)

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[n: with provision for information tracking by moving the transducing part of the head relative to the headwheel, in the direction of the scanning movement, e.g. for skew or time base correction (in the direction which cuts across tracks, i.e. for track following g9b/3.073, g9b/5.204, g9b/7.042, g9b/21.012, g9b/21.018; by controlling headwheel rotation g9b/15.066, by guiding the tape g9b/15.077)] {g11b 15/18b2r2} (Class G9B/15.026)

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