The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jan. 05, 2021

Filed:

Sep. 15, 2017
Applicant:

Hitachi Construction Machinery Co., Ltd., Tokyo, JP;

Inventors:

Wataru Tanaka, Tokyo, JP;

Masaki Kanai, Tokyo, JP;

Tomoyuki Hamada, Tsuchiura, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G08G 1/16 (2006.01); G05D 1/02 (2020.01); G08G 1/0968 (2006.01);
U.S. Cl.
CPC ...
G08G 1/164 (2013.01); G05D 1/02 (2013.01); G05D 1/0214 (2013.01); G05D 1/0297 (2013.01); G08G 1/096827 (2013.01); G08G 1/096877 (2013.01);
Abstract

A protected region is set for a manned working machine, said region including a first protected region in which new protected region setting request information is not transmitted and which includes the position of the manned working machine, and a second protected region which is set along a periphery of the first protected region and in which new protected region setting request information is transmitted. An area occupied by the vehicle body of the manned working machine on a plane projected on the ground surface is calculated on the basis of vehicle body information indicating the size of the vehicle body of the manned working machine and position information thereof. When the occupied area is present within the first protected region, new protected region setting request information is not transmitted, whereas when the occupied area is present within the second protected region, protected region setting request information is transmitted.


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