Invention Grant
- Patent Title: Portable electronic device and state notification method thereof
- Patent Title (中): 便携式电子设备及其状态通知方法
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Application No.: US13056267Application Date: 2009-07-15
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Publication No.: US08907819B2Publication Date: 2014-12-09
- Inventor: Takayuki Kagami
- Applicant: Takayuki Kagami
- Applicant Address: HK Quarry Bay
- Assignee: Lenovo Innovations Limited (Hong Kong)
- Current Assignee: Lenovo Innovations Limited (Hong Kong)
- Current Assignee Address: HK Quarry Bay
- Agency: Sughrue Mion, PLLC
- Priority: JP2008-202534 20080806
- International Application: PCT/JP2009/063136 WO 20090715
- International Announcement: WO2010/016385 WO 20100211
- Main IPC: H03K17/94
- IPC: H03K17/94 ; H03M11/00 ; G06F3/02 ; G09G5/00 ; H04M1/725 ; H04M19/04 ; G06F3/023 ; H04M1/22
Abstract:
A portable electronic device comprises a key input unit including a plurality of keys or buttons. A plurality of key backlight LEDs are arranged right below or close to predetermined keys or buttons of the plurality of keys or buttons. The key backlight LEDs are capable of selecting and setting a plurality of colors for light emission. A light emission control unit provides a notification of a state of the portable electronic device with a lighting pattern of the plurality of key backlight LEDs.
Public/Granted literature
- US20110128166A1 PORTABLE ELECTRONIC DEVICE AND STATE NOTIFICATION METHOD THEREOF Public/Granted day:2011-06-02
Information query
