Title:
RADAR MODULE AND SPEED MEASURING DEVICE USING SAME
Document Type and Number:
WIPO Patent Application WO/2014/054765
Kind Code:
A1
Abstract:
In order to provide a radar module that minimizes variance among electromagnetic wave intensity distribution modules radiated through a lens from the radar module used in speed measuring devices or the like, a radar module, using a circuit board whereon a flat antenna is formed on the surface, has a lens for which one end face is flat and the other end face is spherical, and is disposed so that the flat side of the lens abuts the flat antenna, and so that the spherical side of the lens is placed in the far field of the flat antenna.
Inventors:
MATSUMURA TAKAFUMI (JP)
NAGAISHI HIDEYUKI (JP)
NAGAISHI HIDEYUKI (JP)
Application Number:
PCT/JP2013/077022
Publication Date:
April 10, 2014
Filing Date:
October 04, 2013
Export Citation:
Assignee:
HITACHI AUTOMOTIVE SYSTEMS LTD (JP)
International Classes:
G01S7/03; G01S13/60; H01Q15/08
Domestic Patent References:
| WO2011118398A1 | 2011-09-29 |
Foreign References:
| JP2006184144A | 2006-07-13 | |||
| JP2006128834A | 2006-05-18 | |||
| JP2012175680A | 2012-09-10 | |||
| JPH098541A | 1997-01-10 | |||
| JP2006184144A | 2006-07-13 | |||
| JP2003315438A | 2003-11-06 | |||
| JP2000031727A | 2000-01-28 | |||
| JPH10341108A | 1998-12-22 |
Other References:
See also references of EP 2905632A4
Attorney, Agent or Firm:
INOUE Manabu et al. (JP)
Manabu Inoue (JP)
Manabu Inoue (JP)
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