Slant record/helical scan playback certifier

Details Slant record/helical scan playback certifier Slant record/helical scan playback certifier

1988-04-04

1989-12-12

Canney, Vincent P.

Dynamic magnetic information storage or retrieval

Monitoring or testing the progress of recording

360 64, G11B 2736, G11B 1514

Patent

active

048871710

ABSTRACT:
A slant record/helical scan playback certifier for high speed magnetic tape certification including a signal generator for producing test data, a slant record head for recording the test data onto magnetic tape, a plurality of helical scan playback head for reproducing and transmitting the test data recorded in the magnetic tape, an error detector and error counter for detecting and counting the test data errors found on the magnetic tape and an error collection reporting system for collecting and reporting the test data errors found in the magnetic tape. Further disclosed are a preamplifier and an amplifier for amplification of the test data transmitted by the helical scan playback head.

REFERENCES:
patent: 3404223 (1968-10-01), La Violette
patent: 3873975 (1975-03-01), Miklos et al.
patent: 3947875 (1976-03-01), Bull et al.
patent: 4255807 (1981-03-01), Cosby
patent: 4263625 (1981-04-01), Warren
patent: 4323844 (1982-04-01), Mikame
patent: 4480274 (1984-10-01), Coleman, Jr.
patent: 4772963 (1988-09-01), Van Lahr et al.

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