Electronic Device and Time Adjustment Method
First Claim
1. An electronic device comprising:
- a reception unit that receives satellite signals from positioning information satellites orbiting the Earth;
a time information generating unit that generates time information;
a time correction information storage unit that stores time correction information for correcting the time information;
a time correction information generating unit that generates the time correction information based on the satellite signals;
an environmental information acquisition unit that gets information about the reception unit environment;
a reception environment information generating unit that generates reception environment information for the reception unit based on the environment information; and
a positioning information satellite selection unit that selects the positioning information satellite from which signals are to be received by the reception unit based on the reception environment information.
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Accused Products
Abstract
An electronic device having a reception unit that receives satellite signals from positioning information satellites orbiting the Earth; a time information generating unit that generates time information; a time correction information storage unit that stores time correction information for correcting the time information; a time correction information generating unit that generates the time correction information based on the satellite signals; an environmental information acquisition unit that gets information about the reception unit environment; a reception environment information generating unit that generates reception environment information for the reception unit based on the environment information; and a positioning information satellite selection unit that selects the positioning information satellite from which signals are to be received by the reception unit based on the reception environment information.
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Citations
19 Claims
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1. An electronic device comprising:
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a reception unit that receives satellite signals from positioning information satellites orbiting the Earth; a time information generating unit that generates time information; a time correction information storage unit that stores time correction information for correcting the time information; a time correction information generating unit that generates the time correction information based on the satellite signals; an environmental information acquisition unit that gets information about the reception unit environment; a reception environment information generating unit that generates reception environment information for the reception unit based on the environment information; and a positioning information satellite selection unit that selects the positioning information satellite from which signals are to be received by the reception unit based on the reception environment information. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. An electronic device comprising:
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a reception unit that captures a positioning information satellite orbiting the Earth and receives a signal from the positioning information satellite; and a corrected time information display unit that generates time correction information based on the satellite signal received by the reception unit, corrects the displayed time information based on the time correction information, and displays the corrected time; wherein the reception unit includes an indoor/outdoor determination unit that determines if the electronic device is indoors or outdoors, and captures the positioning information satellite based on the indoor/outdoor determination unit. - View Dependent Claims (9, 10, 11, 12, 13, 14, 15)
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16. A time correction method for an electronic device, comprising:
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an environmental information acquisition step in which an environmental information acquisition unit of the electronic device gets information about the reception unit environment; a reception environment information generating step in which a reception environment information generating unit of the electronic device generates reception environment information for the reception unit based on the environment information; a positioning information satellite selection step in which a positioning information satellite selection unit of the electronic device selects the positioning information satellite orbiting the Earth from which signals are to be received by the reception unit based on the reception environment information; a reception step in which the reception unit of the electronic device receives satellite signals from the positioning information satellite selected in the positioning information satellite selection step; and a time correction information generating step in which a time correction information generating unit of the electronic device generates time correction information for correcting the time information of the time information generating unit based on the satellite signals.
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17. A time correction method for a timepiece device, comprising:
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a step of a reception unit that receives satellite signals from positioning information satellites orbiting the Earth capturing the positioning information satellite; a time correction information generating step of a time correction unit generating time correction information based on the satellite signals received by the reception unit; and a displayed time information correcting step of a display information correction unit correcting the displayed time information based on the time correction information; wherein the reception unit has an indoor/outdoor determination unit for determining the environment of the timepiece device in the step of capturing the positioning information satellite; the indoor/outdoor determination unit has a power generation detection process including detecting and storing power generation by a solar panel, and comparing the power generation detection data and power generation threshold value data in a power generation threshold value data storage unit that stores power generation threshold value data related to a power generation threshold value used to determine if the reception unit is indoors or outdoors; and the reception unit is an electronic device that captures the positioning information satellite based on the indoor/outdoor determination unit.
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18. A time correction method for a timepiece device, comprising:
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a step of a reception unit that receives satellite signals from positioning information satellites orbiting the Earth capturing the positioning information satellite; a time correction information generating step of a time correction unit generating time correction information based on the satellite signals received by the reception unit; and a displayed time information correcting step of a display information correction unit correcting the displayed time information based on the time correction information; wherein the reception unit has an indoor/outdoor determination unit for determining the environment of the timepiece device in the step of capturing the positioning information satellite; the indoor/outdoor determination unit has an acceleration sensor output waveform detection process including detecting and storing output waveform data from the acceleration sensor, generating and storing amplitude data from the output waveform data, and comparing the amplitude data with acceleration sensor output signal amplitude threshold value data related to a threshold value of the amplitude data used to determine if the reception unit is indoors or outdoors; and the reception unit is an electronic device that captures the positioning information satellite based on the indoor/outdoor determination unit.
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19. A time correction method for a timepiece device, comprising:
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a step of a reception unit that receives satellite signals from positioning information satellites orbiting the Earth capturing the positioning information satellite; a time correction information generating step of a time correction unit generating time correction information based on the satellite signals received by the reception unit; and a displayed time information correcting step of a display information correction unit correcting the displayed time information based on the time correction information; wherein the reception unit has an indoor/outdoor determination unit for determining the environment of the timepiece device in the step of capturing the positioning information satellite; the indoor/outdoor determination unit has a power generation detection process including detecting and storing power generation by a solar panel, and comparing the power generation detection data and power generation threshold value data in a power generation threshold value data storage unit that stores power generation threshold value data related to a power generation threshold value used to determine if the reception unit is indoors or outdoors; and an acceleration sensor output waveform detection process including detecting and storing output waveform data from the acceleration sensor, generating and storing amplitude data from the output waveform data, and comparing the amplitude data with acceleration sensor output signal amplitude threshold value data related to the amplitude data used to determine if the reception unit is indoors or outdoors; and the reception unit is an electronic device that captures the positioning information satellite based on the indoor/outdoor determination unit.
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Specification