发明名称 |
Radio-controlled timepiece |
摘要 |
To provide a radio-controlled timepiece capable of directing a standard time radio wave receiving antenna toward the suitable direction to a station easily and surely. The radio-controlled timepiece is to receive a standard time radio wave including time information in a standard time radio wave receiving unit and correct the time display based on the time information of the standard time radio wave received by the above receiving unit, and it includes a position calculating unit for detecting the direction of the station transmitting the standard time radio wave, based on a standard time radio wave signal received by the standard time radio wave receiving unit. |
申请公布号 |
US2003117903(A1) |
申请公布日期 |
2003.06.26 |
申请号 |
US20020306694 |
申请日期 |
2002.11.27 |
申请人 |
NAKAJIMA KENICHI;KURASAWA YOSHIMITSU;SUZUKI SHIGEO |
发明人 |
NAKAJIMA KENICHI;KURASAWA YOSHIMITSU;SUZUKI SHIGEO |
分类号 |
G01S3/28;G04C9/02;G04G5/00;G04G99/00;H01Q1/24;H01Q1/44;H01Q3/08;(IPC1-7):G04C11/02 |
主分类号 |
G01S3/28 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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