WO2012066850A1 - 電子機器 - Google Patents
電子機器 Download PDFInfo
- Publication number
- WO2012066850A1 WO2012066850A1 PCT/JP2011/071611 JP2011071611W WO2012066850A1 WO 2012066850 A1 WO2012066850 A1 WO 2012066850A1 JP 2011071611 W JP2011071611 W JP 2011071611W WO 2012066850 A1 WO2012066850 A1 WO 2012066850A1
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- WIPO (PCT)
- Prior art keywords
- electronic device
- sensor
- orientation
- motion sensor
- motion
- Prior art date
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C17/00—Compasses; Devices for ascertaining true or magnetic north for navigation or surveying purposes
- G01C17/02—Magnetic compasses
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C17/00—Compasses; Devices for ascertaining true or magnetic north for navigation or surveying purposes
- G01C17/02—Magnetic compasses
- G01C17/28—Electromagnetic compasses
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C17/00—Compasses; Devices for ascertaining true or magnetic north for navigation or surveying purposes
- G01C17/38—Testing, calibrating, or compensating of compasses
Definitions
- the present invention relates to an electronic device that measures an orientation, an orientation measurement method, and a program.
- the electronic compass that measures azimuth realizes azimuth measurement by detecting geomagnetism using a geomagnetic sensor. Specifically, when the magnetic field changes by moving the compass, the pointing direction changes accordingly.
- the orientation can be known on the mobile terminal.
- An object of the present invention is to provide an electronic device, a direction measuring method, and a program that solve the above-described problems.
- the electronic device of the present invention is Electronic equipment, A geomagnetic sensor for detecting geomagnetism; A motion sensor for detecting movement of the electronic device; Based on the result detected by the geomagnetic sensor and the result detected by the motion sensor, the orientation of the electronic device is measured, and while the motion sensor detects the rest of the electronic device, the motion sensor Based on only the detected result, a control unit that measures the orientation of the electronic device, A display unit that displays the orientation measured by the control unit.
- the azimuth measuring method of the present invention is An orientation measurement method for measuring the orientation of an electronic device, Geomagnetism detection processing to detect geomagnetism, An operation detection process for detecting the movement of the electronic device; Based on the result detected in the geomagnetism detection process and the result detected in the operation detection process, a process of measuring the orientation of the electronic device, While stillness of the electronic device is detected in the motion detection process, based on only the result detected in the motion detection process, a process of measuring the orientation of the electronic device; The process of displaying the measured azimuth is performed.
- the program of the present invention is A program for causing an electronic device to execute, A geomagnetic detection procedure for detecting geomagnetism; An operation detection procedure for detecting the movement of the electronic device; Based on the result detected in the geomagnetic detection procedure and the result detected in the operation detection procedure, a procedure for measuring the orientation of the electronic device, While stillness of the electronic device is detected in the motion detection procedure, based on only the result detected in the motion detection procedure, a procedure for measuring the orientation of the electronic device, And displaying the measured azimuth.
- FIG. 1 is a figure which shows one Embodiment of the electronic device of this invention. It is a figure which shows an example of the internal structure of the motion sensor shown in FIG. It is a figure which shows the other example of an internal structure of the motion sensor shown in FIG. It is a figure which shows other embodiment of the electronic device of this invention.
- 3 is a flowchart for explaining an example of a direction measuring method in the electronic device shown in FIG. 1.
- 6 is a flowchart for explaining another example of the direction measuring method in the electronic apparatus shown in FIG. 1.
- FIG. 1 is a diagram showing an embodiment of an electronic apparatus according to the present invention.
- the electronic device 100 includes a 6-axis sensor 110, a control unit 160, and a display unit 170.
- FIG. 1 shows only the components related to the present invention among the components included in the electronic device 100, and other components (for example, the electronic device 100 is a mobile terminal) included in a general electronic device.
- the communication unit, storage unit, audio processing unit, power supply unit, etc. are omitted.
- the 6-axis sensor 110 includes a geomagnetic sensor 120 that is a 3-axis (3-dimensional) geomagnetic sensor and an operation sensor 130 that is a 3-axis motion sensor.
- the geomagnetic sensor 120 detects geomagnetism. Further, the geomagnetic sensor 120 outputs the detection result to the control unit 160.
- the motion sensor 130 detects the movement of the electronic device 100. Further, the motion sensor 130 outputs the detection result to the control unit 160.
- FIG. 2 is a diagram showing an example of the internal configuration of the motion sensor 130 shown in FIG.
- the motion sensor 130 shown in FIG. 1 may be composed of an acceleration sensor 140 that is a three-axis acceleration sensor that detects the acceleration of the electronic device 100 as shown in FIG.
- FIG. 3 is a diagram showing another example of the internal configuration of the motion sensor 130 shown in FIG.
- the motion sensor 130 shown in FIG. 1 may be composed of a gyro sensor 150 that detects the rotation of the electronic device 100 as shown in FIG.
- the motion sensor 130 may be composed of a vibration sensor that detects vibration of the electronic device 100.
- the control unit 160 measures (calculates) the orientation of the electronic device 100 based on the result output from the geomagnetic sensor 120 and the result output from the motion sensor 130.
- the control unit 160 determines the orientation of the electronic device 100 based only on the result output from the motion sensor 130. Measure (calculate). At this time, the control unit 160 ignores (discards) the result output from the geomagnetic sensor 120 and measures the orientation of the electronic device 100 based only on the result output from the motion sensor 130. Alternatively, the operation of the geomagnetic sensor 120 may be stopped, and the direction of the electronic device 100 may be measured based only on the result output from the operation sensor 130.
- Display unit 170 displays the orientation measured (calculated) by control unit 160.
- a 9-axis sensor may be used instead of the 6-axis sensor 110.
- FIG. 4 is a diagram showing another embodiment of the electronic apparatus of the present invention.
- the electronic device 100 in this embodiment is provided with a nine-axis sensor 111 instead of the six-axis sensor 110 shown in FIG.
- the 9-axis sensor 111 includes a geomagnetic sensor 120 and a motion sensor 131.
- the motion sensor 131 includes an acceleration sensor 140 and a gyro sensor 150.
- acceleration sensor 140 The operations of the acceleration sensor 140 and the gyro sensor 150 are the same as those described with reference to FIGS.
- the control unit 160 illustrated in FIG. 4 measures the orientation of the electronic device 100 based on the result output from the geomagnetic sensor 120 and the results output from the acceleration sensor 140 and the gyro sensor 150 in the motion sensor 131. (calculate.
- control unit 160 illustrated in FIG. 4 includes the acceleration sensor 140 and the gyro sensor 150 in the motion sensor 131 while the acceleration sensor 140 and the gyro sensor 150 in the motion sensor 131 detect that the electronic device 100 is stationary.
- the orientation of the electronic device 100 is measured based only on the result output from the.
- FIG. 5 is a flowchart for explaining an example of the direction measuring method in the electronic device 100 shown in FIG.
- the orientation of the electronic device 100 is measured (calculated) by the control unit 160 based on the detection result of the geomagnetism by the geomagnetic sensor 120 and the detection result of the movement of the electronic device 100 by the motion sensor 130.
- Step 1 it is detected by the motion sensor 130 whether or not the electronic device 100 is stationary.
- the motion sensor 130 detects that the electronic device 100 is stationary, the detection result of the geomagnetic sensor 120 is ignored by the control unit 160 in step 2, and the direction of the electronic device 100 is based only on the detection result of the motion sensor 130. Is measured.
- the orientation measured by the control unit 160 is displayed on the display unit 170 in step 3.
- the control unit 160 causes the geomagnetic sensor 120 to detect the geomagnetic detection result and the motion sensor 130 to move the electronic device 100 in step 4. Based on the detection result, the orientation of the electronic device 100 is measured, and the process of step 3 is performed.
- step 2 the process of step 2 is performed. Further, after that, when the motion sensor 130 does not detect the rest of the electronic device 100 in step 1, the process of step 4 is performed.
- FIG. 6 is a flowchart for explaining another example of the direction measuring method in the electronic apparatus 100 shown in FIG.
- the orientation of the electronic device 100 is measured (calculated) by the control unit 160 based on the detection result of the geomagnetism by the geomagnetic sensor 120 and the detection result of the movement of the electronic device 100 by the motion sensor 130.
- step 11 whether or not the electronic device 100 is stationary is detected by the motion sensor 130.
- the controller 160 determines in step 12 whether the geomagnetic sensor 120 is operating.
- control unit 160 stops the operation of the geomagnetic sensor 120 in step 13. In step 14, the control unit 160 measures the orientation of the electronic device 100 based only on the detection result of the motion sensor 130.
- step 13 If the geomagnetic sensor 120 is not in operation, the process of step 13 is not performed and the process of step 14 is performed.
- step 15 the direction measured by the control unit 160 is displayed on the display unit 170 in step 15.
- the controller 160 determines whether or not the geomagnetic sensor 120 is operating.
- the controller 160 instructs the geomagnetic sensor 120 to start operation in step 17, and the operation of the geomagnetic sensor 120 is started.
- the controller 160 measures the orientation of the electronic device 100 based on the detection result of the geomagnetism by the geomagnetic sensor 120 and the detection result of the movement of the electronic device 100 by the motion sensor 130. Processing is performed.
- step 17 is not performed and the process of step 18 is performed.
- the electronic device 100 may be a portable terminal with an orientation measurement function or a pedometer with an orientation measurement function, and may be any device / device equipped with an electronic compass function.
- the processing performed by each component provided in the electronic device 100 described above may be performed by a logic circuit that is produced according to the purpose.
- a computer program (hereinafter referred to as a program) in which processing contents are described as a procedure is recorded on a recording medium readable by the electronic device 100, and the program recorded on the recording medium is read by the electronic device 100 and executed. It may be what you do.
- the recording medium readable by the electronic device 100 is a removable recording medium such as a floppy (registered trademark) disk, a magneto-optical disk, a DVD, and a CD, and a memory such as a ROM and a RAM built in the electronic device 100. And HDD.
- the program recorded on the recording medium is read by the control unit 160 provided in the electronic apparatus 100, and the same processing as described above is performed under the control of the control unit 160.
- the control unit 160 operates as a computer that executes a program read from a recording medium on which the program is recorded.
Abstract
Description
電子機器であって、
地磁気を検出する地磁気センサと、
当該電子機器の動きを検出する動作センサと、
前記地磁気センサが検出した結果と前記動作センサが検出した結果とに基づいて、当該電子機器の方位を計測し、前記動作センサが当該電子機器の静止を検出している間は、前記動作センサが検出した結果のみに基づいて、当該電子機器の方位を計測する制御部と、
前記制御部が計測した方位を表示する表示部とを有する。
電子機器の方位を計測する方位計測方法であって、
地磁気を検出する地磁気検出処理と、
当該電子機器の動きを検出する動作検出処理と、
前記地磁気検出処理にて検出された結果と前記動作検出処理にて検出された結果とに基づいて、当該電子機器の方位を計測する処理と、
前記動作検出処理にて当該電子機器の静止が検出されている間は、前記動作検出処理にて検出された結果のみに基づいて、当該電子機器の方位を計測する処理と、
前記計測した方位を表示する処理とを行う。
電子機器に実行させるためのプログラムであって、
地磁気を検出する地磁気検出手順と、
当該電子機器の動きを検出する動作検出手順と、
前記地磁気検出手順にて検出された結果と前記動作検出手順にて検出された結果とに基づいて、当該電子機器の方位を計測する手順と、
前記動作検出手順にて当該電子機器の静止が検出されている間は、前記動作検出手順にて検出された結果のみに基づいて、当該電子機器の方位を計測する手順と、
前記計測した方位を表示する手順とを実行させる。
Claims (7)
- 電子機器であって、
地磁気を検出する地磁気センサと、
当該電子機器の動きを検出する動作センサと、
前記地磁気センサが検出した結果と前記動作センサが検出した結果とに基づいて、当該電子機器の方位を計測し、前記動作センサが当該電子機器の静止を検出している間は、前記動作センサが検出した結果のみに基づいて、当該電子機器の方位を計測する制御部と、
前記制御部が計測した方位を表示する表示部とを有する電子機器。 - 請求項1に記載の電子機器において、
前記制御部は、前記動作センサが当該電子機器の静止を検出した場合、前記地磁気センサの動作を停止させることを特徴とする電子機器。 - 請求項1に記載の電子機器において、
前記動作センサは、加速度センサであることを特徴とする電子機器。 - 請求項1に記載の電子機器において、
前記動作センサは、ジャイロセンサであることを特徴とする電子機器。 - 請求項1に記載の電子機器において、
前記動作センサは、当該電子機器の振動を検出するセンサであることを特徴とする電子機器。 - 電子機器の方位を計測する方位計測方法であって、
地磁気を検出する地磁気検出処理と、
当該電子機器の動きを検出する動作検出処理と、
前記地磁気検出処理にて検出された結果と前記動作検出処理にて検出された結果とに基づいて、当該電子機器の方位を計測する処理と、
前記動作検出処理にて当該電子機器の静止が検出されている間は、前記動作検出処理にて検出された結果のみに基づいて、当該電子機器の方位を計測する処理と、
前記計測した方位を表示する処理とを行う方位計測方法。 - 電子機器に、
地磁気を検出する地磁気検出手順と、
当該電子機器の動きを検出する動作検出手順と、
前記地磁気検出手順にて検出された結果と前記動作検出手順にて検出された結果とに基づいて、当該電子機器の方位を計測する手順と、
前記動作検出手順にて当該電子機器の静止が検出されている間は、前記動作検出手順にて検出された結果のみに基づいて、当該電子機器の方位を計測する手順と、
前記計測した方位を表示する手順とを実行させるためのプログラム。
Priority Applications (4)
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US13/881,264 US9366533B2 (en) | 2010-11-18 | 2011-09-22 | Electronic device |
CN201180054905.1A CN103210277B (zh) | 2010-11-18 | 2011-09-22 | 电子设备 |
JP2012544144A JPWO2012066850A1 (ja) | 2010-11-18 | 2011-09-22 | 電子機器 |
EP11842308.6A EP2642248A4 (en) | 2010-11-18 | 2011-09-22 | ELECTRONIC DEVICE |
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JP2010257984 | 2010-11-18 | ||
JP2010-257984 | 2010-11-18 |
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US (1) | US9366533B2 (ja) |
EP (1) | EP2642248A4 (ja) |
JP (1) | JPWO2012066850A1 (ja) |
CN (1) | CN103210277B (ja) |
WO (1) | WO2012066850A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2016176704A (ja) * | 2015-03-18 | 2016-10-06 | アルプス電気株式会社 | 地磁気センサと加速度センサを搭載した電子機器 |
WO2022010156A1 (ko) * | 2020-07-09 | 2022-01-13 | 삼성전자 주식회사 | 전자 장치의 지자기 센서 보정 방법 및 그 전자 장치 |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN103619090A (zh) * | 2013-10-23 | 2014-03-05 | 深迪半导体(上海)有限公司 | 基于微型惯性传感器舞台灯光自动定位和追踪系统和方法 |
CN112817424A (zh) * | 2019-11-18 | 2021-05-18 | Oppo广东移动通信有限公司 | 实现指南针应用的方法、装置、存储介质及电子设备 |
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Also Published As
Publication number | Publication date |
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CN103210277B (zh) | 2016-03-23 |
EP2642248A4 (en) | 2016-02-24 |
CN103210277A (zh) | 2013-07-17 |
EP2642248A1 (en) | 2013-09-25 |
JPWO2012066850A1 (ja) | 2014-05-12 |
US20130218515A1 (en) | 2013-08-22 |
US9366533B2 (en) | 2016-06-14 |
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