Centralized control type clock |
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| 申请号 | JP7800778 | 申请日 | 1978-06-29 | 公开(公告)号 | JPS556223A | 公开(公告)日 | 1980-01-17 |
| 申请人 | Motoyoshi Kanasugi; | 发明人 | KANASUGI MOTOYOSHI; | ||||
| 摘要 | PURPOSE: To accomplish a highly accurate time informing service over a wide area by digitally transmitting a transmission time. CONSTITUTION: The time from its generator 11 is converted into digital characters at 12. These characters are subjected to direct-alternating conversion at 13 and further to pulse modulation at 14 until they are transmitted. The modulated signals of a receiver 21 are subjected to code conversion at 22 and displayed as the time by a display 23. COPYRIGHT: (C)1980,JPO&Japio |
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| 权利要求 | |||||||
| 说明书全文 | |||||||
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