EXTERNAL SHAPE CALCULATION SYSTEM, EXTERNAL SHAPE CALCULATION METHOD, EXTERNAL SHAPE CALCULATION PROGRAM, STORAGE MEDIUM HAVING EXTERNAL SHAPE CALCULATION PROGRAM STORED THEREIN, FARM FIELD MAP GENERATION SYSTEM, FARM FIELD MAP GENERATION PROGRAM, STORAGE MEDIUM HAVING FARM FIELD MAP GENERATION PROGRAM STORED THEREIN, AND FARM FIELD MAP GENERATION METHOD

WIPO Patent Application WO/2020/031473

A1

The present invention is provided with: a satellite antenna which receives satellite signals from satellites; a satellite positioning module which outputs positioning data corresponding to the position of a host vehicle on the basis of the satellite signals; a first measuring point and a second measuring point that are separated from each other on a vehicle body 10; a position calculation unit which continuously acquires positioning data and calculates position data of the first measuring point as a first measurement position 30 and position data of the second measuring point as a second measurement position 31 on the basis of the positioning data, the positional relation of the first measuring point with respect to the satellite antenna, and the positional relation of the second measuring point with respect to the satellite antenna; and a shape calculation unit which calculates the external shape of a farm field and the external shape of an unfarmed field CA from the first measurement position 30 and the second measurement position 31.

NAKABAYASHI TAKASHI (JP)
SANO TOMOHIKO (JP)
YOSHIDA OSAMU (JP)
SAKAGUCHI KAZUO (JP)
HORIUCHI MASAYUKI (JP)

PCT/JP2019/021589

February 13, 2020

May 30, 2019

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KUBOTA KK (JP)

G01C15/00; A01B69/00; A01D41/127

JP2017055673A	2017-03-23
JP2017127289A	2017-07-27
JP2018041357A	2018-03-15
JP2018045710A	2018-03-22
JP2003303021A	2003-10-24
JP2015222500A	2015-12-10
JPS6368006A	1988-03-26
JP2018169826A	2018-11-01

R&C IP LAW FIRM (JP)

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