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公开(公告)号：US20240176307A1
公开(公告)日：2024-05-30
申请号：US18521433
申请日：2023-11-28
Applicant: CASIO COMPUTER CO., LTD.
Inventor： Yuuki OSHITA
IPC: G04R20/04
CPC classification number: G04R20/04
Abstract: The present disclosure is provided to correctly adjust the leap second information while avoiding the increase in positioning time. Provided is a satellite radio wave receiving device including: a receiver that performs an acquisition operation of receiving a transmitted radio wave from a positioning satellite and acquiring information contained in the transmitted radio wave; one or more processors; and one or more memories in which leap second information related to a leap second adjustment may be stored, wherein the receiver retains the leap second information last acquired by the acquisition operation and wherein the one or more processors perform the following processes according to instructions stored in the one or more memories: activating the receiver in at least two modes including a first mode in which the acquisition operation is performed for continuous positioning; in the case of activating the receiver in the first mode, starting the acquisition operation without erasing the leap second information that the receiver retains and acquiring the leap second information that the receiver retains after the end of the first mode operation, and in the case where the acquired leap second information for this time is determined to be newer than the leap second information stored in the one or more memories, storing the leap second information for this time in the one or more memories; and performing a leap second adjustment for the counted current date and time, based on the leap second information lastly stored in the one or more memories.
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公开(公告)号：US20200319604A1
公开(公告)日：2020-10-08
申请号：US16835952
申请日：2020-03-31
Applicant: CASIO COMPUTER CO., LTD.
Inventor： Yuuki OSHITA , Kazuho KYOU
IPC: G04R20/02
Abstract: An electronic timepiece includes a radio wave receiver, a communication unit, a memory and a processor. The radio wave receiver receives radio waves from positioning satellites. The communication unit communicates with an external device. The memory stores a program and predicted positional information on the positioning satellites. Based on the program stored in the memory, in response to a predetermined condition for an elapsed time from a valid period of the stored predicted positional information being satisfied, the processor causes the communication unit to receive predicted positional information with other information from the external device when the communication unit receives the other information.
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公开(公告)号：US20240103448A1
公开(公告)日：2024-03-28
申请号：US18368259
申请日：2023-09-14
Applicant: CASIO COMPUTER CO., LTD.
Inventor： Yuuki OSHITA , Chiharu SHIRATORI
Abstract: An electronic timepiece includes an obtaining circuit, a first processor and a second processor. The obtaining circuit obtains information on current time from outside. The first processor measures time. The second processor is connected to the obtaining circuit. The first processor obtains a synchronization signal corresponding to the current time, obtains the current time, which the second processor obtains from the obtaining circuit, and based on the current time and the synchronization signal, corrects the measuring time, which the first processor is measuring.
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公开(公告)号：US20240053489A1
公开(公告)日：2024-02-15
申请号：US18364287
申请日：2023-08-02
Applicant: CASIO COMPUTER CO., LTD.
Inventor： Yuuki OSHITA
CPC classification number: G01S19/396 , G01S19/19
Abstract: An information processing device includes: a control unit configured to perform the following: acquiring data of one or more items related to a positioning result by a positioning operation unit that performs satellite positioning and to an accuracy of the positioning result; and judging that the positioning result is valid when the data of the one or more items meet respective predetermined criteria and outputting the positioning result as valid, wherein the one or more items are not changed depending on a usage type of the positioning result, and the respective predetermined criteria are determined in accordance with the usage type of the positioning result, and wherein the predetermined criteria include a criterion value by which the control unit judges that the criterion is met regardless of a content of the data.
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公开(公告)号：US20240103453A1
公开(公告)日：2024-03-28
申请号：US18469920
申请日：2023-09-19
Applicant: CASIO COMPUTER CO., LTD.
Inventor： Yuuki OSHITA
CPC classification number: G04G21/04 , G04G21/025 , G04G99/006
Abstract: Disclosed is an electronic timepiece including: a first processor that controls a clocking operation; a second processor that has an arithmetic processing capacity higher than an arithmetic processing capacity of the first processor; and an information acquisition circuit that is controlled by the second processor.
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Patent Agency Ranking
公开(公告)号：US20200319348A1
公开(公告)日：2020-10-08
申请号：US16836999
申请日：2020-04-01
Applicant: CASIO COMPUTER CO., LTD.
Inventor： Yuuki OSHITA , Kazuho KYOU
Abstract: An electronic timepiece includes a radio wave receiver, a communication unit, a memory and a processor. The radio wave receiver receives radio waves from positioning satellites. The communication unit communicates with an external device. The memory stores a program and predicted positional information on the positioning satellites. Based on the program stored in the memory, the processor shifts the timepiece between a normal operation state and a power saving state in which operation of the timepiece is restricted, depending on a status of the timepiece. In response to an elapsed time from a valid period of the predicted positional information exceeding a predetermined reference time during the power saving state, the processor causes the communication unit to receive updated data of the predicted positional information and other information from the external device when shifting the timepiece from the power saving state to the normal operation state.
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公开(公告)号：US20200310362A1
公开(公告)日：2020-10-01
申请号：US16808289
申请日：2020-03-03
Applicant: CASIO COMPUTER CO., LTD.
Inventor： Yuuki OSHITA
Abstract: An electronic device including: a positioning module that performs positioning by receiving radio waves from navigation satellites; a movement distance detection sensor that detects movement distance; and a processor that activates the positioning module and, if positioning with the positioning module has not succeeded after a first prescribed period of time has elapsed, suspends the positioning module, wherein if the processor detects that the movement distance detected by the movement distance detection sensor starting from when the positioning module was suspended is greater than or equal to a prescribed distance, the processor reactivates the positioning module.
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8.发明申请公开(公告)号：US20200309962A1
公开(公告)日：2020-10-01
申请号：US16822548
申请日：2020-03-18
Applicant: CASIO COMPUTER CO., LTD.
Inventor： Yuuki OSHITA
IPC: G01S19/47 , H04B1/3827 , G01S19/37
Abstract: A mobile electronic device including: a movement detection sensor; a positioning module; a processor; and a memory, wherein the processor determines whether the device is moving on the basis of a first tentative determination result obtained by determining whether the device is moving based on a value obtained from the movement detection sensor as well as a second tentative determination result obtained by determining whether the device is moving based on positional information detected by the positioning module, and, upon determining that the device is moving, stores the positional information detected by the positioning module in the memory.
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公开(公告)号：US20240045081A1
公开(公告)日：2024-02-08
申请号：US18362291
申请日：2023-07-31
Applicant: CASIO COMPUTER CO., LTD.
Inventor： Yuuki OSHITA
Abstract: A wearable device includes a physical sensor that performs measurements relating to an orientation and movement of the wearable device; an acquisition unit that acquires information representing a user's exercise type; and a processor that performs positioning of the wearable device based on radio waves received from satellites, wherein the processor determines whether to calculate a movement amount of the wearable device per set intervals based on measurement results of the physical sensor during a period in which the positioning based on radio waves received from satellites is not obtained, in accordance with the user's exercise type acquired by the acquisition unit.
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10.发明公开公开(公告)号：US20230221449A1
公开(公告)日：2023-07-13
申请号：US18114765
申请日：2023-02-27
Applicant: CASIO COMPUTER CO., LTD.
Inventor： Yuuki OSHITA
Abstract: A mobile electronic device including: a movement detection sensor; a positioning module; a processor; and a memory, wherein the processor determines whether the device is moving on the basis of a first tentative determination result obtained by determining whether the device is moving based on a value obtained from the movement detection sensor as well as a second tentative determination result obtained by determining whether the device is moving based on positional information detected by the positioning module, and, upon determining that the device is moving, stores the positional information detected by the positioning module in the memory.
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