Through hole formation state detecting device and electronic timepiece using the detecting device

When a light emission element emits no light, a detected signal from a photodetection element is captured as an intensity of external light. Then, a threshold value is offset by the intensity of the external light. The offset threshold is then compared to a detected signal from the photodetection el...

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Bibliographische Detailangaben

Hauptverfasser:	Ono, Haruo, Chubachi, Hiroyuki
Format:	Patent
Sprache:	eng
Online-Zugang:	Volltext bestellen
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