HELIX ANTENNA DEVICE
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United States of America Patent
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app pub date -
Nov 19, 2015
filing date -
Nov 19, 2015
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Abstract
A helix antenna device includes a board, a signal output circuit on the board, a column body, a ground wire, a helix antenna, and an annular metal member. The column body includes a passage and a helix trough. A bottom surface of the column body is fastened to the board. The passage is formed along a central axis of the column body. The helix trough is around an annular side surface of the column body. The ground wire passes into the passage. The ground wire is fastened to the board and is connected to the signal output circuit. The helix antenna is around the column body. A part of the helix antenna is disposed in the helix trough. The helix antenna is fastened to the board and is electrically connected to the signal output circuit. The annular metal member is disposed on the board and surrounds the column body.
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