Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
ON-VEHICLE ANTENNA SYSTEM
Document Type and Number:
Japanese Patent JPH0591003
Kind Code:
A
Abstract:

PURPOSE: To obtain the antenna system having omnidirectivity without radio wave radiation into a cabin.

CONSTITUTION: Plural antennas 2A-2D whose directivities SA-SD are set to the outside of a cabin 1 and set in the relation that they are compensated with each other are installed to each position of the cabin 1 and the system is provided with a synthesis means 3 synthesizing inputs to the antennas 2A-2D.


Inventors:
SHIGETA KAZUO
HIRATA EIJI
FUJIMOTO KOJI
Application Number:
JP24617791A
Publication Date:
April 09, 1993
Filing Date:
September 25, 1991
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
MAZDA MOTOR
International Classes:
H01Q1/32; H01Q21/28; H04B7/08; (IPC1-7): H01Q1/32; H01Q21/28; H04B7/08
Attorney, Agent or Firm:
Hiroshi Ohama



 
Next Patent: CROSS ROLLING DEVICE