Antenna coupling device
First Claim
1. An antenna coupling device (14) for coupling radio frequency signals from a communication device (10) having an internal first antenna, the communication device (10) operable in n frequency bands, where n>
- 1 and n is an integer, wherein said antenna coupling device (14) comprises a port (16) connected/connectable to a transmission line (18), characterized in that a conducting surface of said antenna coupling device (14) has a geometric shape in the form of a tree structure (20) connected to said port (16), wherein said tree structure (20) comprises a number, m, of branches, where m≧
n, wherein said tree structure (20) comprises at least one branch bix for each frequency band i of said communication device (10), wherein i is an integer and 1≦
i≦
n, and x is an integer and 1≦
x≦
k(i), and the total number, m, of branches satisfy the following expression
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Accused Products
Abstract
The present invention relates to an antenna coupling device (14) for coupling radio frequency signal from a communication device (10) having an internal first antenna, the communication device (10) operable in n frequency bands, where n>1 and n is an integer. The antenna coupling device (14) comprises a port (16) connected/connectable to a transmission line (18). A conducting surface of said antenna coupling device (14) has a geometric shape in the form of a tree structure (20) connected to said port (16). The tree structure (20) comprises a number, m, of branches, where m≧n, wherein said tree structure (20) comprises at least one branch bix for each frequency band I of said communication device (10), wherein I is an integer and 1≦I≦n, and x is an integer and 1≦x≦k (i), and the total number, m, of branches satisfy the following expression
wherein k (i) is a function of I, which only can obtain an integer value and is the total number of branches for frequency band;
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Citations
15 Claims
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1. An antenna coupling device (14) for coupling radio frequency signals from a communication device (10) having an internal first antenna, the communication device (10) operable in n frequency bands, where n>
- 1 and n is an integer, wherein said antenna coupling device (14) comprises a port (16) connected/connectable to a transmission line (18), characterized in that a conducting surface of said antenna coupling device (14) has a geometric shape in the form of a tree structure (20) connected to said port (16), wherein said tree structure (20) comprises a number, m, of branches, where m≧
n, wherein said tree structure (20) comprises at least one branch bix for each frequency band i of said communication device (10), wherein i is an integer and 1≦
i≦
n, and x is an integer and 1≦
x≦
k(i), and the total number, m, of branches satisfy the following expression - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
- 1 and n is an integer, wherein said antenna coupling device (14) comprises a port (16) connected/connectable to a transmission line (18), characterized in that a conducting surface of said antenna coupling device (14) has a geometric shape in the form of a tree structure (20) connected to said port (16), wherein said tree structure (20) comprises a number, m, of branches, where m≧
Specification