Antenna device
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The antenna device is connected to, for instance, a bearing measurement apparatus comprising a global positioning system (GPS) receiver and used in a moving body such as a ship. The antenna device comprises a plurality of antennas. The bearing measurement apparatus measures phase differences between signals supplied from the plurality of antennas receiving signals transmitted by GPS satellites to provide a bearing. The antenna device is electrically coupled to an indicator displaying a measured bearing.
As shown in the drawings, the antenna device comprises an upper antenna housing part in a form of flat shape and a lower trunk part supporting the antenna housing part. On the upper surface of the antenna housing part, there are formed at a forward point and a backward point projected tips used in installing the antenna device in a ship. In the trunk part, there is formed a space for keeping signal lines therein for connecting the antenna device and the indicator.
Claims
The ornamental design for an antenna device, as shown and described.
D543975 | June 5, 2007 | McCown |
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Type: Grant
Filed: Jan 17, 2007
Date of Patent: Apr 6, 2010
Assignee: Furuno Electric Co., Ltd. (Nishinomiya)
Inventors: Takashi Omori (Nishinomiya), Yoshihiro Tada (Nishinomiya)
Primary Examiner: Antoine D Davis
Attorney: Birch, Stewart, Kolasch & Birch, LLP.
Application Number: 29/271,344