Title:
ELECTRONIC DEVICE
Document Type and Number:
WIPO Patent Application WO/2015/170585
Kind Code:
A1
Abstract:
[Problem] To provide an electronic device that can detect attitude and the like using an acceleration sensor and an angular rate sensor while keeping power consumption in check. [Solution] A determination is made as to whether an external force other than gravity is acting on a spectacles-type electronic device on the basis of the degree of acceleration detected by an acceleration sensor (10). If it is determined that no external force is acting, an angular rate sensor (20) enters a standby state, and if it is determined that an external force is acting, the angular rate sensor (20) enters an active state. Due to this configuration, if the spectacles-type electronic device has entered a quasi-suspended state and detection of the attitude and the like of the spectacles-type electronic device on the basis of acceleration is possible, the angular rate sensor (20) enters a standby state, so the amount of power consumed can be greatly reduced compared to an electronic device in which the angular rate sensor (20) is always in an active state.
Inventors:
YAMADA YUKIMITSU (JP)
Application Number:
PCT/JP2015/062118
Publication Date:
November 12, 2015
Filing Date:
April 21, 2015
Export Citation:
Assignee:
ALPS ELECTRIC CO LTD (JP)
International Classes:
G06F3/01; G01C19/5776; G01P15/00; H04M1/00
Domestic Patent References:
| WO2013125200A1 | 2013-08-29 | |||
| WO2013125212A1 | 2013-08-29 | |||
| WO2009020204A1 | 2009-02-12 | |||
| WO2009008411A1 | 2009-01-15 |
Foreign References:
| JP2012220886A | 2012-11-12 | |||
| JP5273323B1 | 2013-08-28 | |||
| JP2013185934A | 2013-09-19 |
Attorney, Agent or Firm:
MATSUSHITA, MASAHIRO (JP)
Matsushita Masahiro (JP)
Matsushita Masahiro (JP)
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