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Patent Searching and Data


Title:
VEHICLE-MOUNTED ANTENNA DEVICE
Document Type and Number:
WIPO Patent Application WO/2016/009685
Kind Code:
A1
Abstract:
Provided is a vehicle-mounted antenna device which enables stable holding of a coil element with the shape of a winding thereof maintained, and easy adjustment of the number of turns of the winding of the coil element in a manufacturing process. A coil element (40) is formed by winding a winding (42) around a resinous bobbin (41). A guide groove (48a) that becomes a path for the winding (42), and a plurality of projections (48b) along the path for the winding (42) are provided on the outer peripheral surface of a winding drum part of the bobbin (41). The guide groove (48a) helically circles around the outer peripheral surface of the winding drum part. The plurality of projections (48b) are provided in each of a plurality of positions in the circumferential direction of the outer peripheral surface of the winding drum part. A winding termination end of the winding (42) is hung on an arbitrarily defined projection (48b), drawn out in an axial direction, and electrically connected to an upper terminal (45).

Inventors:
OHNO SADAO (JP)
OSAWA KENGO (JP)
Application Number:
PCT/JP2015/061236
Publication Date:
January 21, 2016
Filing Date:
April 10, 2015
Export Citation:
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Assignee:
YOKOWO SEISAKUSHO KK (JP)
International Classes:
H01Q1/32; H01Q9/14; H01Q9/36
Foreign References:
JP2013229813A2013-11-07
JPS56137509U1981-10-17
Other References:
See also references of EP 3171454A4
Attorney, Agent or Firm:
MURAI, Takashi et al. (JP)
Takashi Murai (JP)
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