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公开(公告)号：US20190094818A1
公开(公告)日：2019-03-28
申请号：US16124237
申请日：2018-09-07
Applicant: CASIO COMPUTER CO., LTD.
Inventor： Yuki OSHITA , Katsuhiko OBATA , Akihiro KUROHA
IPC: G04R20/04
Abstract: A timepiece including a GPS receiver that receives a radio wave from a positioning satellite, a time counter that performs a time count operation, and a processor, the processor being configured to: corrects a time count of the time counter in accordance with time and date information included in the radio wave from the positioning satellite received by the GPS receiver; acquires a temperature in the timepiece; acquires a voltage of a battery; and controls a receive operation at the GPS receiver in accordance with the temperature and the voltage.
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公开(公告)号：US20180246475A1
公开(公告)日：2018-08-30
申请号：US15903224
申请日：2018-02-23
Applicant: CASIO COMPUTER CO., LTD.
Inventor： Kosuke HASEGAWA , Yuki OSHITA , Mitsuaki MATSUO , Akihiro KUROHA , Shimpei MATSUDA
IPC: G04R20/02
CPC classification number: G04R20/02
Abstract: An electronic timepiece, including: a receiver which receives broadcast radio waves including time information; a communicator which carries out wireless communication by establishing communication connection with an external device which is set; a processor; and an operation receiving unit which receives an input operation via an operating member, wherein in a case where a predetermined input operation corresponding to a command for obtaining information regarding a present time is received via a predetermined operating member, the processor selects a first information obtaining operation by which the information is obtained from the external device which is set via the communicator or a second information obtaining operation by which the information is obtained based on the broadcast radio waves received by the receiver according to whether a setting regarding the external device exists.
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公开(公告)号：US20240310789A1
公开(公告)日：2024-09-19
申请号：US18604156
申请日：2024-03-13
Applicant: CASIO COMPUTER CO., LTD.
Inventor： Yuta SAITO , Tomohiro INABA , Hua GAO , Yohei KAWAGUCHI , Akihiro KUROHA
IPC: G04D7/00
CPC classification number: G04D7/004
Abstract: An electronic timepiece includes a plurality of hands; a plurality of detection units that detect external light, arranged corresponding to the plurality of hands; and a control unit, wherein the control unit is configured to perform external light detection operations that respectively determine whether or not external light of a threshold value or more is detected at the plurality of detection units while moving the plurality of hands by a predetermined distance, respectively, and when there is a hand among the plurality of hands for which the external light detection operation detected external light and there is another hand among the plurality of hands for which the external light detection operation did not detect external light, perform the external light detection operation for said another hand again.
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公开(公告)号：US20180335757A1
公开(公告)日：2018-11-22
申请号：US15982013
申请日：2018-05-17
Applicant: CASIO COMPUTER CO., LTD.
Inventor： Yuki OSHITA , Akihiro KUROHA
Abstract: A device having: one or more processors for determining an elapsed time since a correction of a calculated date and time; estimate a degree of deviation included in the calculated date and time, based on the elapsed time; and in response to estimating the degree of deviation to be equal to or smaller than a predetermined range, execute a method by which the one or more processors: generate an expected code sequence of a code sequence to be received from a satellite; control a satellite radio wave receiver to receive the code sequence; determine whether there is a match between the expected code sequence and the code sequence; in response to determining that there is a match, obtain a present date and time information represented by the expected code sequence; and correct the calculated date and time, based on the present date and time information obtained.
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