Title:
THIN COMMUNICATION DEVICE EQUIPPED WITH DIRECTIONAL ANTENNA AND MANUFACTURING METHOD THEREOF
Document Type and Number:
Japanese Patent JP2022160887
Kind Code:
A
Abstract:
To provide a thin communication device equipped with a directional antenna.SOLUTION: A thin communication device includes a board 1, a transmission antenna unit 2 disposed on the board 1, and a metal foil 5 disposed on the board 1 and disposed so as to cover the entire transmission antenna unit 2. The transmission antenna unit 2 typically transmits a beacon signal using radio waves. In order to exhibit a radio wave shielding effect, it is preferable for the transmission antenna unit 2 that the transmission antenna unit 2 is positioned near the center of the metal foil 5 when the plane of the board 1 is viewed from above. It is preferable that the board 1 is mounted with components on one side and the metal foil 5 is disposed on the other side of the board 1 on which components are not mounted. It is preferable that the metal foil 5 is a metal thin film deposited on an organic film.SELECTED DRAWING: Figure 1
Inventors:
DOI MISAKI
TAMAMIZU YOKI
NAKANO TAKASHI
TAMAMIZU YOKI
NAKANO TAKASHI
Application Number:
JP2021065384A
Publication Date:
October 20, 2022
Filing Date:
April 07, 2021
Export Citation:
Assignee:
KANDA KOGYO KK
International Classes:
H01Q1/40; H01Q1/22; H01Q1/38
Domestic Patent References:
| JP2020072117A | 2020-05-07 | |||
| JP2009124536A | 2009-06-04 |
Attorney, Agent or Firm:
Hirotaka Nonaka
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