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US 5,475,395 AGranted
Reflecting mirror-equipped GPS receiving antenna apparatus
AssigneeSokkisha Co., Ltd.
InventorsYutaka Nakamura, Kazunori Miyahara
Life of this patent
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Abstract
A reflecting mirror-equipped GPS receiving antenna apparatus comprises a reflecting mirror and a microstrip type of antenna for receiving radio waves transmitted from GPS satellites. The reflecting mirror is supported by a base member so as to be swingable about a horizontal axis as well as rotatable about a first vertical axis. The antenna is supported above the reflecting mirror so as to be rotatable about a second vertical axis which is coaxial with the first vertical axis.
Claims16
A reflecting mirror-equipped GPS receiving antenna apparatus comprising:
- a reflecting means for reflecting light from and back to a distance and angle measuring means, said reflecting means comprising a reflecting mirror supported by a base member;
- means for targeting said reflecting mirror from the distance and angle measuring means, said means for targeting comprising a target disposed around said reflecting mirror;
- a microstrip type antenna for receiving radio waves transmitted from GPS satellites, said antenna being supported by said base member above said reflecting mirror;
- horizontal pivoting means for pivoting said reflecting mirror relative to said base member about a horizontal axis;
- first vertical rotating means for rotating said reflecting mirror about a vertical axis;
- second vertical rotating means for rotating said antenna about said vertical axis.
3 more elements
Dependencies are inferred from the claim text.