Importance

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Abstract

Apparatus for rendering a dictation recorder selectively operable by a dictator at one of a plurality of dictate stations including automatic signal generating circuitry at the dictate station for generating a sequence of station identifier signals uniquely associated with the particular dictate station, and manual signal generating circuitry operable by the operator for generating a second sequence of signals. Receipt of a predetermined number of signals in the station identifier and manual sequences renders the recorder operable by the dictator in a conventional manner. Control lines carry the sequences of signals to the dictation recorder. A decoder at the dictation recorder decodes the signals appearing on the control lines and prevents operation of the dictation recorder until receipt of the appropriate number of signals which identifies both the dictate station and other information manually entered by the operator.

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First Claim