| 摘要 |
An auto. telephone answering app. was comprised of a first AND cct. (12) for. gen. an output sig. when both rotation detecting means (7) (8) gen. an output sig., first OR cct. (13) for gen. an output sig. when at least one of (7) (8) gen. an output sig., second AND cct. (15) for gen. an output sig. only when (13) gen. an output sig. in the absence of an output sig. from (12), third AND cct. (17) for gen. an output sig. only when (12) gen. an output sig. and magnetic recording tape is in a recording state, second OR cct. (18) for gen. an output sig. when at least one of (15) (17) gen. an output sig. and stop means(19).
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