Title:
ANTENNA DEVICE
Document Type and Number:
Japanese Patent JP2016174368
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide an antenna device capable of narrowing an umbrella-type element while keeping reception performance at the same level, and improving a design property by narrowing the width of an upper part of an antenna case.SOLUTION: An antenna device 1 is composed of an antenna case 10, an antenna base 11, an element holder 12, an umbrella-type element 13, an amplifier substrate 16 and a coil 14. On the antenna base 11, the antenna case 10 is fitted. The element holder 12 has an insulation property, and is raised on the antennal base 11. The umbrella-type element 13 is installed so as to be positioned in an upper part of the element holder 12 and at a generally center in a lateral direction. The coil 14 makes the umbrella-type element 13 inserted between the umbrella-type element 13 and an input end of an amplifier resonate with predetermined frequency, and is adhered to the element holder 12.SELECTED DRAWING: Figure 5
Inventors:
KANEKO KIYOKAZU
Application Number:
JP2016078269A
Publication Date:
September 29, 2016
Filing Date:
April 08, 2016
Export Citation:
Assignee:
HARADA IND CO LTD
International Classes:
H01Q1/32; H01Q1/22
Attorney, Agent or Firm:
Takahashi Hayashi & Partners