Title:
ANTENNA SYSTEM AND ANTENNA UNIT
Document Type and Number:
Japanese Patent JP2015097377
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide an antenna system, capable of suppressing radio wave interference by enhancing isolation among a plurality of communication systems, and securing the communication performance of a polarization diversity communication system.SOLUTION: An antenna system includes: a case 111; an antenna 114, accommodated in the case 111, for vehicle-to-vehicle and road-to-vehicle communication systems; an inside-case orthogonal antenna 115 which is an antenna for polarization diversity communication system, accommodated in the case 111 and disposed in such a manner that a main radiation polarization surface is orthogonal to the antenna 114 for vehicle-to-vehicle and road-to-vehicle communication systems; and an outside-case antenna 122 which is an antenna for polarization diversity communication systems and disposed outside the case 111 and disposed in such a manner that a main radiation polarization surface is orthogonal to the inside-case orthogonal antenna 115.
Inventors:
SUGIMOTO YUJI
SUZUKI TADAO
YUZUKIZAKI YASUMUNE
SUZUKI TADAO
YUZUKIZAKI YASUMUNE
Application Number:
JP2014105556A
Publication Date:
May 21, 2015
Filing Date:
May 21, 2014
Export Citation:
Assignee:
NIPPON SOKEN
DENSO CORP
DENSO CORP
International Classes:
H01Q21/28; H01Q1/22; H01Q1/32; H01Q1/42; H01Q21/24
Domestic Patent References:
| JP2004179921A | 2004-06-24 | |||
| JP2007318678A | 2007-12-06 | |||
| JP2003060543A | 2003-02-28 | |||
| JP2000156608A | 2000-06-06 | |||
| JP2011250108A | 2011-12-08 | |||
| JP2005286918A | 2005-10-13 | |||
| JPH07245601A | 1995-09-19 | |||
| JPH0897759A | 1996-04-12 |
Attorney, Agent or Firm:
Kazuyuki Yahagi
Taihei Nonobe
Takanori Kubo
Taihei Nonobe
Takanori Kubo
Previous Patent: INFORMATION COMMUNICATION METHOD
Next Patent: IMAGE FORMING SYSTEM AND IMAGE FORMING METHOD
Next Patent: IMAGE FORMING SYSTEM AND IMAGE FORMING METHOD