Auditing system for single play tape cassette

摘要: A tape cassette or the like employs a resettable counter that disables playing of after limited number playings consistent with home use. The small is supported by machine resetting procedure automatically records usage and resets casette translating information on label into sequence moves unlocks mechanism otherwise locked against unauthorized parties. also includes readable description program. Cassettes same program material have different reset codes their labels to limit some cassettes particular machines thus lessening economic incentive obtaining constructing equipment.