<紀要論文>
簡単な長時間記録用データレコーダの試作

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概要 An inexpensive portable data recorder is made compact for carrying convenience. Total weight of the apparatus is about 490 g, however, it be able to apply to 16 hours' long-term measurements such as t...he heart rates measurements during habitual activities and so on. This new apparatus is made by the reconstruction of the RQ-2720 Portable Cassette Recorder (National). Some discarded parts of the RQ-2720 such as speaker etc. is detached and some new electric ciruits attached the new apparatus. Earphone and monitoring lump which go on and off is used for the easy monitoring of records. Tape speed in the case of play is four times faster than that of record. From the results of the plactical use for the long-term measurements of heart rates during habitual activities, it is said that the Portable Data Recorder is accurate enough for plactical usage.続きを見る

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登録日 2009.09.08
更新日 2018.06.12