Onboard system, ground system, and information transmission system
US11180169B2 · kind B2 · utility
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5References
12Claims
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Key dates
| Filing date | Jul 13, 2018 |
| Grant date | Nov 23, 2021 |
| Priority date | — |
| Expiry date | Apr 2, 2040 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB61L2205/00
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
An information transmission system includes a ground system provided to a track and an onboard system installed in a train. The ground system includes two (M=2) track antennae selected from N types of track antennae with different resonance frequencies. The two track antennae are arranged side by side in a left and right direction relative to a traveling direction of the train. When the train passes through a position where the ground system is provided, the onboard system detects the two track antennae at once and can determine the resonance frequencies of the track antennae.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.