Work vehicle and automatic stop system of work vehicle
US10407873B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Nov 13, 2017 |
| Grant date | Sep 10, 2019 |
| Priority date | — |
| Expiry date | Nov 13, 2037 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG08G1/166
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
A work vehicle according to an embodiment includes: (i) a travelling vehicle body that includes a power source to a work part and a travel part; (ii) a communication unit that is able to transmit and receive signals to and from a portable communication terminal; and (iii) a control unit that is able to control the travel part on the basis of a signal transmitted from the portable communication terminal and received by the communication unit. A plurality of communication systems is provided between the communication unit and the portable communication terminal. The communication systems include a first communication system that is able to transmit a first signal from a portable communication terminal, and a second communication system that has a smaller communication area than that of the first communication system and is able to receive a second signal indicating that the portable communication terminal exists in a predetermined area.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.