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Title:
PLANAR ANTENNA
Document Type and Number:
Japanese Patent JPH0522030
Kind Code:
A
Abstract:

PURPOSE: To obtain the planar antenna which can be easily manufactured at low cost without wasting materials while simplifying the structure and can obtain valid tapered feeding.

CONSTITUTION: A patch 103 of a main antenna is composed of a metal plate and at the central part, a corn 113 is formed by pressing so as to be defined as tapered feeding. A copper foil 116a of a one-sided substrate 116 loaded on the patch is defined as the microstrip line of a sub antenna. The patch 103 and a base plate 101 are conducted by a hollow short pin 104, and feeding is executed through the hollow part to the copper foil 116a. The head part of the corn 113 is coupled to the base board 101 by a bolt nut.


Inventors:
MORITA YASUHIRO
MIZUNO ITSUKI
Application Number:
JP1991000198387
Publication Date:
January 29, 1993
Filing Date:
July 12, 1991
Export Citation:
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Assignee:
NISSAN MOTOR
International Classes:
H01Q1/50; H01Q13/08; H01Q13/18; H01Q21/24; (IPC1-7): H01Q1/50; H01Q13/08; H01Q13/18; H01Q21/24
Attorney, Agent or Firm:
菊谷 公男 (外3名)



 
Next Patent: JPH0522031