Method for detecting a fault in a data recording system read cha

Details Method for detecting a fault in a data recording system read cha Method for detecting a fault in a data recording system read cha

1982-10-06

1985-03-19

Canney, Vincent P.

Dynamic magnetic information storage or retrieval

General processing of a digital signal

Head amplifier circuit

360 31, 360 68, G11B 509, G11B 2736, G11B 502

Patent

active

045063052

ABSTRACT:
A method for diagnosing card failure in a data processing magnetic tape READ channel. An input signal of a nominal amplitude is applied to the READ channel and the response time of the various components of the READ channel is determined, as well as the amplitude response of the READ channel. Card failure can be so identified to alert a user that repair action is needed, cut down diagnostic cost and error, by the field engineer to avoid data processing errors produced by a defective machine.

REFERENCES:
patent: 4003084 (1977-01-01), Fletcher et al.
patent: 4262313 (1981-04-01), Mouri

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