Time adjustment device, timepiece with a time adjustment device, and a time adjustment method
First Claim
1. A time adjustment device, comprising:
- a reception unit that receives satellite signals transmitted from positioning information satellites;
a time information generating unit that generates internal time information;
a time information adjustment component that corrects the internal time information; and
a reception controller that controls operation of the reception unit;
wherein a satellite signal contains satellite time information that is kept by the positioning information satellite that transmitted the satellite signal;
the reception unit can selecta first reception mode for receiving first information including the hour, minute, and second data in the satellite signal, anda second reception mode for receiving second information including the hour, minute, and second data, week information for the current year, month, and day, and satellite health information in the satellite signal;
the time information adjustment component includesa time adjustment recording component that records whether or not the time was adjusted using the second information received in the second reception mode after the internal time information was initialized,a first time information adjustment component that controls the reception unit by way of the reception controller in the first reception mode to receive the first information, and sets the hour, minute, and second values of the internal time information based on the received first information, anda second time information adjustment component that controls the reception unit in the second reception mode to receive the second information, and sets the year, month, day, hour, minute, and second values of the internal time information using the received second information;
the first time information adjustment component operates when it is recorded in the time adjustment recording component that the time was adjusted using the second information; and
the second time information adjustment component operates when it is not recorded in the time adjustment recording component that the time was adjusted using the second information.
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Accused Products
Abstract
A time adjustment device having a reception unit that receives satellite signals transmitted from positioning information satellites; a time information generating unit that generates internal time information; a time information adjustment component that corrects the internal time information; and a reception controller that controls operation of the reception unit; wherein the satellite signal contains satellite time information that is kept by the positioning information satellite; the reception unit can select a first reception mode for receiving first information including the hour, minute, and second data in the satellite signal, and a second reception mode for receiving second information including the hour, minute, and second data, week information for the current year, month, and day, and satellite health information in the satellite signal; the time information adjustment component includes a time adjustment recording component that records whether or not the time was adjusted using the second information received in the second reception mode after the internal time information was initialized, a first time information adjustment component that controls the reception unit by way of the reception controller in the first reception mode to receive the first information, and sets the hour, minute, and second values of the internal time information based on the received first information, and a second time information adjustment component that controls the reception unit in the second reception mode to receive the second information, and sets the year, month, day, hour, minute, and second values of the internal time information using the received second information; the first time information adjustment component operates when it is recorded in the time adjustment recording component that the time was adjusted using the second information; and the second time information adjustment component operates when it is not recorded in the time adjustment recording component that the time was adjusted using the second information.
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Citations
13 Claims
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1. A time adjustment device, comprising:
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a reception unit that receives satellite signals transmitted from positioning information satellites; a time information generating unit that generates internal time information; a time information adjustment component that corrects the internal time information; and a reception controller that controls operation of the reception unit; wherein a satellite signal contains satellite time information that is kept by the positioning information satellite that transmitted the satellite signal; the reception unit can select a first reception mode for receiving first information including the hour, minute, and second data in the satellite signal, and a second reception mode for receiving second information including the hour, minute, and second data, week information for the current year, month, and day, and satellite health information in the satellite signal; the time information adjustment component includes a time adjustment recording component that records whether or not the time was adjusted using the second information received in the second reception mode after the internal time information was initialized, a first time information adjustment component that controls the reception unit by way of the reception controller in the first reception mode to receive the first information, and sets the hour, minute, and second values of the internal time information based on the received first information, and a second time information adjustment component that controls the reception unit in the second reception mode to receive the second information, and sets the year, month, day, hour, minute, and second values of the internal time information using the received second information; the first time information adjustment component operates when it is recorded in the time adjustment recording component that the time was adjusted using the second information; and the second time information adjustment component operates when it is not recorded in the time adjustment recording component that the time was adjusted using the second information. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A time adjustment method, comprising:
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a time information generating step that generates internal time information; an adjustment recording step that records in a time adjustment recording component whether or not the time was adjusted using second information after the internal time information was initialized, the second information including the hour, minute, and second data, week information for the current year, month, and day, and satellite health information contained in a satellite signal received from a positioning information satellite; a first information time adjustment step that controls a reception unit in a first reception mode to receive first information composed of the hour, minute, second information in the satellite signal, and sets the hour, minute, and second values of the internal time information based on the received first information; and a second information time adjustment step that controls the reception unit in a second reception mode to receive the second information, and sets the year, month, day, hour, minute, and second values of the internal time information using the received second information; wherein the first information time adjustment step operates when it is recorded in the time adjustment recording component that the time was adjusted using the second information; and the second information time adjustment step operates when it is not recorded in the time adjustment recording component that the time was adjusted using the second information.
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Specification