Apparatus and method for locating dropouts

Details Apparatus and method for locating dropouts Apparatus and method for locating dropouts

1985-07-29

1987-08-11

Faber, Alan

Dynamic magnetic information storage or retrieval

Monitoring or testing the progress of recording

360 31, 369 58, 369 54, 358336, G11B 2736, H04N 5782

Patent

active

046865632

ABSTRACT:
An apparatus and method for locating dropouts. Information as to dropouts in a length of video tape is stored in memory and then used to compute data as to location of the dropouts. The data is used to position a tape-inspecting instrument such as a microscope over successive dropouts.

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patent: 4325134 (1982-04-01), Longley
patent: 4409627 (1983-10-01), Eto
patent: 4417149 (1983-11-01), Takeucki
patent: 4477890 (1984-10-01), Mooney
"Roughness & Recording Properties of Particulate Tapes", pp. 1383-1385, IEEE, Transactions on Magnetics, Sep. 1985.
"Review of Surface Texture . . . ", by Green, pp. 330-343, Properties & Metrology of Surfaces, Apr. 1968.
"Review of Methods of Measurement . . . ", by Richards, pp. 453-465, Properties & Metrology of Surfaces, Apr. 1968.

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