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Patent Searching and Data


Title:
TRAVEL DISTANCE MEASUREMENT DEVICE
Document Type and Number:
WIPO Patent Application WO/2013/105359
Kind Code:
A1
Abstract:
A travel distance measurement device is provided with: a transmission antenna (102a) for projecting a transmission signal as a radio wave at the ground, and positioned on a vehicle; a receiving antenna (102b) for receiving a radio wave reflected by the ground and obtaining a reflected signal, and positioned near the transmission antenna (102a); and a distance calculation means (IQ demodulator (104) and phase shift integrator (105)) for calculating the travel distance of a vehicle on the basis of the phase of the obtained reflected signal.

Inventors:
INOMATA KENJI (JP)
TSUJITA WATARU (JP)
TAHARA KAZUHIRO (JP)
NAGASHIMA SEIYA (JP)
Application Number:
PCT/JP2012/081269
Publication Date:
July 18, 2013
Filing Date:
December 03, 2012
Export Citation:
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Assignee:
MITSUBISHI ELECTRIC CORP (JP)
INOMATA KENJI (JP)
TSUJITA WATARU (JP)
TAHARA KAZUHIRO (JP)
NAGASHIMA SEIYA (JP)
International Classes:
G01C22/00; G01C21/28; G01S13/931
Foreign References:
JP2003052105A2003-02-21
JP2001001898A2001-01-09
JP2011016432A2011-01-27
JP2006007818A2006-01-12
Attorney, Agent or Firm:
TAZAWA, Hideaki et al. (JP)
Hideaki Tazawa (JP)
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