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Two Phase Tachometer for Tape Drive Which Eliminates Factory and Field Adjustment Disclosure Number: IPCOM000055905D
Original Publication Date: 1980-Sep-01
Included in the Prior Art Database: 2005-Feb-13

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Beistle, RG [+details]


A typical tape drive includes a take-up reel which must be angularly positioned during load and unload operations. The tape motion algorithm also requires that this reel and motor include a one pulse per revolution tachometer.