Invention Grant
- Patent Title: Device having touch panel, radar apparatus, plotter apparatus, ship network system, viewpoint changing method and viewpoint changing program
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Application No.: US14349312Application Date: 2011-10-03
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Publication No.: US09753623B2Publication Date: 2017-09-05
- Inventor: Tatsuya Asahara
- Applicant: Tatsuya Asahara
- Applicant Address: JP Nishinomiya
- Assignee: Furuno Electric Co., Ltd.
- Current Assignee: Furuno Electric Co., Ltd.
- Current Assignee Address: JP Nishinomiya
- Agency: Alleman Hall Creasman & Tuttle LLP
- International Application: PCT/JP2011/005579 WO 20111003
- International Announcement: WO2013/051049 WO 20130411
- Main IPC: G06F3/048
- IPC: G06F3/048 ; G06F3/0484 ; G06F3/0488 ; G06F3/0481
Abstract:
A touch panel device displays a nautical chart as map data on a display screen. The touch panel device detects a first touch operation on the display screen and a second touch operation on the display screen, the first touch operation being a touch operation of which a position is fixed, the second touch operation being a touch operation of which a position is changed. The touch panel device obtains a rotational axis parallel to the sea surface based on the position of the first touch operation, and rotates a viewpoint of the map data centering on the rotational axis based on a change amount of a distance from the position of the first touch operation to the position of the second touch operation.
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