- マイクロメカトロニクス (ISSN:13438565)
- vol.50, no.195, pp.1-7, 2006-12-10
- 1 or 0
Citizen watch co., ltd have commercialized radio controlled watches for 12 years and succeeded in the development of the full metal base radio controlled watch which is using cal. H41 movement two years ago. This year, we have also accomplished the development of the micro miniature cal. H33 movement which is available for a full metal base radio controlled watch for women. We will report the two systems which is needed to realize the micro miniature cal. H33 movement at the next section. One is an antenna system and the other is an circuit system including the receiver circuit.