Tuning device
专利汇可以提供Tuning device专利检索，专利查询，专利分析的服务。并且PURPOSE:To eliminate the deviation of indication in an indicating section, by a method wherein averaged tone signal is processed in a noise eliminating circuit. CONSTITUTION:Output signal of a tone signal processing circuit 1 is entered through a period counting circuit 2 into a musical interval deviation discriminating circuit 3. Tuning tone signal outputted from the musical interval deviation discriminating circuit 3 is averaged by a first averaging circuit 51 in an averaging circuit 5. When differentiating value 51a of tone signal averaged by the circuit 51 exceeds a prescribed value, latch is inhibited by a differentiating value discriminating circuit 521 and a latch control circuit 522 in a noise eliminating circuit 52 and the signal is latched at a latch circuit 523. Tone signal after noise eliminating at the circuit 52 is averaged further by a second averaging circuit 53 and indicated at an indicating circuit 6, and indication deviation in an indicating section of a tuning device is eliminated and the indication is readily seen.，下面是Tuning device专利的具体信息内容。
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