Title:
NAUTICAL CHART DISPLAY DEVICE, NAUTICAL CHART DISPLAY METHOD, AND NAUTICAL CHART DISPLAY PROGRAM
Document Type and Number:
WIPO Patent Application WO/2019/065041
Kind Code:
A1
Abstract:
[Problem]
To provide a nautical chart display device with which a method for measuring distance using a divider can be carried out on an electronic nautical chart.
[Solution]
A nautical chart display device 20 comprising a display unit 21, an operation detection unit 22, a registration processing unit 62, and a change processing unit 63. The display unit 21 has a screen and displays a nautical chart on the screen. The operation detection unit 22 detects touch operations on the screen. The registration processing unit 62 receives touches at two points on the screen and registers, as an added scale, a scale for which the distance between the touch positions on the screen coincides with a set distance on the nautical chart. The change processing unit 63 changes the scale of the nautical chart to the added scale.
Inventors:
MORITA TAKATOSHI (JP)
OKUDA MASATO (JP)
OKUDA MASATO (JP)
Application Number:
PCT/JP2018/031629
Publication Date:
April 04, 2019
Filing Date:
August 28, 2018
Export Citation:
Assignee:
FURUNO ELECTRIC CO (JP)
International Classes:
G06F3/0484; G06F3/0488; G09B29/00; G09B29/10
Domestic Patent References:
| WO2013051047A1 | 2013-04-11 | |||
| WO2013051051A1 | 2013-04-11 | |||
| WO2013051051A1 | 2013-04-11 |
Foreign References:
| JP2014006342A | 2014-01-16 | |||
| US20080174563A1 | 2008-07-24 |
Other References:
See also references of EP 3690628A4
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