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Electronic device, timepiece, and control method

A technology of electronic equipment and control method, which is applied in the fields of electronic equipment, clocks, and control, and can solve problems such as the technology of starting position measurement without finding a satellite radio wave sensor, and the delay in obtaining mobile records.

Active Publication Date: 2020-10-02
CASIO COMPUTER CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] In the method of repeating start and stop until the satellite radio wave can be received, even if the user moves and can receive the satellite radio wave, the position measurement does not start while the satellite radio wave sensor is stopped, and as a result, the acquisition of the start movement record is delayed
In addition, JP-A-2001-83227 describes a technology for judging the normality / abnormality of the position measurement result after activation, but it has not been found that the satellite radio wave sensor is activated early and the position measurement is started after the satellite radio wave can be received. record of technology

Method used

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  • Electronic device, timepiece, and control method
  • Electronic device, timepiece, and control method
  • Electronic device, timepiece, and control method

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Embodiment Construction

[0017] An electronic timepiece as an electronic device as a mode (embodiment) for carrying out the present invention will be described below. In addition to the time display function, the electronic clock displays the moving (running) time or moving distance to the runner.

[0018] figure 1 It is a functional block diagram of the electronic timepiece 100 according to this embodiment. The electronic clock 100 includes: a CPU (Central Processing Unit, central processing unit) 110 , a memory 120 , a display unit 130 , an operation unit 140 , a position measurement module 150 and a moving distance detection sensor 160 .

[0019] CPU 110 executes programs stored in memory 120 to control electronic timepiece 100 . The memory 120 includes RAM (Random Access Memory), ROM (Read Only Memory), flash memory, etc., and stores programs for realizing the functions of the electronic clock 100, programs for controlling the power supply of the position measurement module 150, and data necessa...

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Abstract

The invention provides 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 isgreater than or equal to a prescribed distance, the processor reactivates the positioning module.

Description

technical field [0001] The invention relates to an electronic device, a clock and a control method. Background technique [0002] One type of position detection (position measurement) using GNSS (Global Navigation Satellite System, Global Navigation Satellite System) is spreading. In addition to the car navigation system, for example, a wearable terminal (mobile device) that is worn by a runner and acquires running movement records (records of movement distance, movement speed, movement trajectory, etc.) also has a function to receive position measurement satellites The sensor of the electric wave (satellite electric wave sensor). [0003] In order to reduce power consumption, the satellite radio sensor of a mobile device is powered on when location measurement is required, and turned off when it is not needed. In the example of the runner's wearable device, the power of the satellite radio wave sensor is turned on in response to an instruction to prepare for acquiring the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G04G9/00G04F10/00G01S19/37G01S19/34G01S19/19
CPCG04G9/0064G04F10/00G01S19/19G01S19/34G01S19/37G04G21/04G04F1/005G04B47/06
Inventor 尾下佑树
Owner CASIO COMPUTER CO LTD