Patent ID: 6535167
Filing Date: 2003-03-18
Classification: H01Q

Abstract:
A laminate pattern antenna formed on a circuit board, comprising:a first antenna pattern formed as a driven element on a first surface of the circuit board; and a second antenna pattern formed as a passive element on a second surface of the circuit board, wherein the area of the circuit board is substantially greater than the area of either of the first antenna pattern and the second antenna pattern, wherein one end of the first antenna pattern is used as a feeding portion, another end of the first antenna pattern is used as an open end, and a bent portion is formed between the feeding portion and the open end of the first antenna pattern, and wherein one end of the second antenna pattern is used as a grounding portion, another end of the second antenna pattern is used as an open end, and a bent portion is formed between the grounding portion and the open end of the second antenna pattern.