Title:
ON-VEHICLE DEVICE, MOBILE DEVICE, AND WIRELESS COMMUNICATION SYSTEM FOR VEHICLES
Document Type and Number:
WIPO Patent Application WO/2017/098721
Kind Code:
A1
Abstract:
A LF transmission unit of this on-vehicle device transmits, to a mobile device, a request signal and a first measurement signal. An UHF reception unit of the on-vehicle device receives, from the mobile device, a first response signal including information related to the transmission strength of a second measurement signal. The LF transmission unit transmits, to the mobile device, the second measurement signal of which the transmission strength has been set on the basis of the information related to the transmission strength included in the first response signal. The UHF reception unit receives a second response signal transmitted from the mobile device in accordance with determination results related to the second measurement signal.
Inventors:
HAYASHI NAOKI
Application Number:
PCT/JP2016/005067
Publication Date:
June 15, 2017
Filing Date:
December 06, 2016
Export Citation:
Assignee:
PANASONIC IP MAN CO LTD (JP)
International Classes:
E05B49/00; B60R25/24; H04Q9/00; H04W4/30; H04W4/48
Foreign References:
| JP5391215B2 | 2014-01-15 | |||
| JP5400407B2 | 2014-01-29 | |||
| JP2011052506A | 2011-03-17 |
Attorney, Agent or Firm:
KAMATA, Kenji et al. (JP)
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