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Patent Searching and Data


Title:
WIRELESS COMMUNICATION DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/187675
Kind Code:
A1
Abstract:
A wireless communication device (1) is provided with: a printed board (101); an RF circuit (10) which is formed on one surface of the printed board (101) and which generates an RF signal (S1_1); a transmission line (W1) for transmitting the RF signal (S1_1); a transmission line (W2) for transmitting a signal other than the RF signal (S1_1); and an antenna (A_1) which is formed on the other surface of the printed board (101) and which radiates the RF signal (S1_1). The antenna (A_1) includes a plurality of dielectric substrates (201-205) layered on the other surface of the printed board (101), metal films (206) formed on surfaces of the dielectric substrates (201-205), and a through hole (207) formed in the dielectric substrate (201) adjoining the printed board (101). The transmission line (W1) is disposed on the one surface of the printed board (101). The transmission line (W2) is partially disposed in any one of the plurality of layered dielectric substrates (201-205).

Inventors:
TAKAHASHI Yoshihide (7-1 Shiba 5-chome, Minato-k, Tokyo 01, 〒1088001, JP)
Application Number:
JP2019/004310
Publication Date:
October 03, 2019
Filing Date:
February 06, 2019
Export Citation:
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Assignee:
NEC CORPORATION (7-1 Shiba 5-chome, Minato-ku Tokyo, 01, 〒1088001, JP)
International Classes:
H01P5/107; H01Q13/00
Foreign References:
JP2009038696A2009-02-19
JPH06291536A1994-10-18
JP2003017909A2003-01-17
Attorney, Agent or Firm:
IEIRI Takeshi (HIBIKI IP Law Firm, Asahi Bldg. 5th Floor 3-33-8, Tsuruya-cho, Kanagawa-ku, Yokohama-sh, Kanagawa 35, 〒2210835, JP)
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