Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
VEHICLE-MOUNTED INSTRUMENT, PORTABLE DEVICE, AND KEYLESS ENTRY SYSTEM
Document Type and Number:
WIPO Patent Application WO/2018/186075
Kind Code:
A1
Abstract:
A vehicle-mounted instrument according to an embodiment comprises: a first transmission antenna and a second transmission antenna that are provided to a vehicle in different directions from one another, and that respectively transmit a first signal and a second signal; a first reception antenna that receives a third signal that is transmitted from a portable device in response to the first signal and the second signal, and that includes a first axial direction in which the signal intensity of the first signal becomes the greatest and a second axial direction in which the signal intensity of the second signal becomes the greatest; and a first control unit that controls the startup of an engine of the vehicle on the basis of the third signal.

Inventors:
MIYAZAWA AKIRA (JP)
Application Number:
PCT/JP2018/007990
Publication Date:
October 11, 2018
Filing Date:
March 02, 2018
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
ALPS ELECTRIC CO LTD (JP)
International Classes:
E05B49/00; B60R25/24; H01Q1/32; H04B1/3827; H04Q9/00
Foreign References:
KR101716244B12017-03-15
JP2017501321A2017-01-12
JP2006342545A2006-12-21
JP2015040406A2015-03-02
JP2016084589A2016-05-19
Attorney, Agent or Firm:
ITOH, Tadashige et al. (JP)
Download PDF: