Title:
COIL ANTENNA, ELECTRONIC APPARATUS AND MANUFACTURING METHOD FOR COIL ANTENNA
Document Type and Number:
Japanese Patent JP2020198534
Kind Code:
A
Abstract:
To facilitate adjustment of a resonance frequency.SOLUTION: A coil antenna 1 includes a base material 2 and a coil conductor 3. The conductor 3 includes a main coil 35, a capacity adjustment section and an induction adjustment section. The capacity adjustment section includes a capacity pattern section 61 and a first trim section 71. The induction adjustment section includes an induction pattern section 62 and a second trim section 72. The induction pattern section 62 is connected in series to the main coil 35.SELECTED DRAWING: Figure 1
More Like This:
Inventors:
KUBO HIROYUKI
Application Number:
JP2019103359A
Publication Date:
December 10, 2020
Filing Date:
May 31, 2019
Export Citation:
Assignee:
MURATA MANUFACTURING CO
International Classes:
H01Q7/00; H01P11/00; H01Q1/24
Attorney, Agent or Firm:
Patent business corporation Hokuto patent office