Patent ID: 7994993
Filing Date: 2011-08-09
Classification: B60C,G06K,H01Q

Abstract:
1. A receiving antenna for receiving tire pressure signal mounted on the chassis of a motor vehicle, comprising: a base; a circuit board, said circuit board comprising a substrate and a signal receiving line, said substrate being fixedly mounted in said base and spaced above a bottom side of said base at a distance greater than 1 cm, said substrate comprising a top wall having a first end and a second end opposite to said first end, said signal receiving line being formed of a metal material and arranged on the top wall of said substrate, said signal receiving line comprising a receiving segment, a lead-out segment and a connection segment, said receiving segment being arranged on the top wall of said substrate near said first end and extending around a rectangular area of said top wall a number of turns from an inner side toward an outer side, said lead-out segment extending from an outer end of said receiving segment to a predetermined distance in direction toward said second end of said substrate, said connection segment extending from one end of said lead-out segment opposite to said receiving segment to the second end of said substrate, said lead-out segment having a width smaller than said connection segment; and a top cover covered on said base to seal said circuit board in between said base and said top cover.