Dynamic magnetic information storage or retrieval – Miscellaneous
Patent
1992-02-04
1993-05-25
Sniezek, Andrew L.
Dynamic magnetic information storage or retrieval
Miscellaneous
360 27, G11B
Patent
active
052145565
ABSTRACT:
A video protection system that allows selective control of video viewing, providing for the selection of video cassette programs according to ratings or other information provided on the video cassette. The protection system includes means by which viewing may be discriminated against according to ratings or other information applied to the exterior of the video cassette tape as by a label. An sensor, such as an optical sensor placed within a VCR to read the label having rating or other pertinent information is provided. A key lock mechanism or the like is utilized for selecting the viewing level. Associated circuitry is provided which may form part of a VCR or be provided as a separate unit to enable use with existing VCRs. The processing circuitry enables discrimination against viewing if the rating on video tape or the like does not match or fall below a preselected level set in the circuitry by the user.
REFERENCES:
patent: 4930158 (1990-05-01), Vogel
Kim Won Tae C.
Sniezek Andrew L.
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