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| Number | Title | Issue Date |
| 7352655 | Method and apparatus for automatic time correction of a mechanical clock A mechanical clock arrangement includes a linkage apparatus rotatingly driving an hour hand and/or a minute hand of a mechanical clock. A sensing device senses a time of day displayed by the mechanical clock. A control device is in communication with both the sensin... | 04/01/2008 |
| 7075859 | Radio-controlled timepiece and control method for the same A watch has a crown for manual time adjustment, a receiver for receiving current time update signals by radio transmission, an internal counter for counting the passage of time according to an internal oscillator, and time display hands. The watch preferably does no... | 07/11/2006 |
| 6994466 | Timepiece with time correction mechanism In order to position a clutch plate 20 in a first angular position, in which teeth 2a of a second gear 2 mesh with a pinion 3b of a third gear 3, an abutment 21 and a projection 12 are provided on the cl... | 02/07/2006 |
| 4924328 | System for recording/reproducing an information source having an apparatus-specific identification signal An input section inputs a recording signal to be recorded on a recording medium. An identification signal generator generates a predetermined identification signal. A processor is connected to the input section and the identification signal generator, and... | 05/08/1990 |
| 4182111 | Electronic timepiece An electronic timepiece which is provided with a control circuit receiving as an input a time correction signal from a frequency divider circuit and delivering an output for driving an electro-mechanical converter so as to correct times of the timepiece. ... | 01/08/1980 |
