Apparatus for calibrating tape drive read system
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United States of America Patent
Stats
-
Aug 18, 1987
Grant Date -
N/A
app pub date -
Oct 1, 1985
filing date -
Oct 1, 1985
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An apparatus for calibrating the gain in a tape drive read system, so that with a calibrated signal source, the output of the read system will be a clean, square wave, digitized signal. Means are provided for taking the output of a read head, reading signals from a tape, applying a controlled attenuation to the signals, such that the output of the read system will be of a correct amplitude output. A sensor assembly including a comparator, is used to monitor the output voltage from the read system, and to provide appropriate signals to the attenuator until the analog output voltage of the read signal is correct.
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