Patent ID: 8289215
Filing Date: 2012-10-16
Classification: G01S,H01Q

Abstract:
1. A portable receiving device for a global positioning system (GPS), comprising: a housing having a first surface, at least one positioning pin, a second surface and a third surface perpendicular to the first and second surfaces, the second surface is perpendicular to the first surface; a circuit board disposed inside the housing, the circuit board having a ground portion and a signal feeding portion; and a planar inverted F antenna comprising: a first electric conducting element having a first end pressed against the metal plate of the planar inverted F antenna and a second end fixed to the ground portion of the circuit board; and a second electric conducting element for feeding the GPS signal to the circuit board, the second electric conducting element having a third end pressed against the metal plate of the planar inverted F antenna and a fourth end fixed to the signal feeding portion of the circuit board; wherein the first electric conducting element and the second electric conducting element are pressed against to a lateral side of the metal plate, and a distance between the lateral side and a center of the portable receiving device is smaller than that between other lateral sides of the metal plate and the center of the portable receiving device.