Layout for multi-antenna loops of the electromagnetic-induction system

An antenna loop structure with in-phase state, said structure comprising:

• a first sawtooth-shaped region, said first sawtooth-shaped region has a plurality of first n-shaped sections whose the concaves face the same opening direction, and said plurality of first n-shaped sections are connected with each other;
• a second sawtooth-shaped region, said second sawtooth-shaped region has a plurality of second n-shaped sections whose the concaves face the same opening direction, and said plurality of second n-shaped sections are connected with each other, wherein the opening direction of the concaves of said plurality of second n-shaped sections and first n-shaped sections are in opposition to each other, and one terminal of said second sawtooth-shaped region is connected with that of said first sawtooth-shaped region;
• and
• a plurality of dummy closed regions, said each dummy closed region consists of said each first n-shaped section and said each second n-shaped section from each other, wherein said plurality of dummy closed regions are in-phase state from each other.

An antenna loop structure with oppositephase state, said structure comprising:

• a first sawtooth-shaped region, said first sawtooth-shaped region has a plurality of first n-shaped sections whose the concaves face the same opening direction with oppositephase state from each other;
• a second sawtooth-shaped region, said second sawtooth-shaped region has a plurality of second n-shaped sections whose the concaves face the same opening direction with oppositephase state from each other, wherein the opening direction of the concaves of said plurality of second n-shaped sections and first n-shaped sections are in opposition to each other, and one terminal of said second sawtooth-shaped region is connected with that of said first sawtooth-shaped region;
• and
• a plurality of dummy closed regions, said each dummy closed region consists of said each first n-shaped section and said each second n-shaped section with the same phase state from each other, wherein said plurality of dummy closed regions are oppositephase from each other.

A layout of multi-antenna loop with in-phase state, said layout comprising:

• providing an antenna loop;
• extending said antenna loop to form a first n-shaped section;
• extending said first n-shaped section to form a second n-shaped section and a third n-shaped section in order, wherein the concaves of said first n-shaped section, said second n-shaped section and said third n-shaped section face the same opening direction;
• extending said third n-shaped section to form a fourth n-shaped section, wherein the opening direction of the concave of the fourth n-shaped section faces in opposition to those of the third n-shaped section, and said third n-shaped section and said fourth n-shaped section are to combine to form a first dummy closed region;
• and
• extending said fourth n-shaped section to form a fifth n-shaped section and a sixth n-shaped section in order, wherein the concaves of said fourth n-shaped section, said fifth n-shaped section and said sixth n-shaped section face the same opening direction, said fifth n-shaped section and said second n-shaped section in opposition to each other are to combine to form a second dummy closed region, said sixth n-shaped section and said first n-shaped section in opposition to each other are to combine to form a third dummy closed region, and further, said first dummy closed region, said second dummy closed region and said third dummy closed region are in-phase state from each other.

A layout of multi-antenna loop with oppositephase state, said layout comprising:

• providing an antenna loop;
• extending said antenna loop to form a first n-shaped section;
• extending said first n-shaped section to form a second n-shaped section, wherein the opening direction of the concaves of said first n-shaped section and said second n-shaped section face in opposition to each other;
• extending said second n-shaped section to form a third n-shaped section, wherein the opening direction of the concaves of said third n-shaped section and said second n-shaped section face in opposition to each other, and the concaves of said third n-shaped section and said first n-shaped section face the same opening direction;
• extending said third n-shaped section to form a fourth n-shaped section, wherein the opening direction of the concaves of said third n-shaped section and said fourth n-shaped section face in opposition to each other, and the concaves of said fourth n-shaped section and said second n-shaped section face the same opening direction, said third n-shaped section and said fourth n-shaped section are to combine to form a first dummy closed region;
• extending said fourth n-shaped section to form a fifth n-shaped section, wherein the opening direction of the concaves of said fifth n-shaped section and said second n-shaped section face in opposition to each other, and the concaves of said fifth n-shaped section and said third n-shaped section face the same opening direction, said fifth n-shaped section and said second n-shaped section are to combine to form a second dummy closed region, said second dummy closed region and said first dummy closed region are oppositephase state;
• and
• extending said fifth n-shaped section to form a sixth n-shaped section, wherein the opening direction of the concaves of said sixth n-shaped section and said first n-shaped section face in opposition to each other, and the concaves of said sixth n-shaped section and said second n-shaped section face the same opening direction, said sixth n-shaped section and said first n-shaped section are to combine to form a third dummy closed region, said third dummy closed region and said second dummy closed region are oppositephase state, said third dummy closed region and said first dummy closed region are in-phase state.

A layout for multi-antenna loops of the electromagnetic-induction system, said layout comprising:

• a plurality of first antenna loops with a plurality of dummy closed regions, wherein said plurality of first antenna loops are distributed along the X-direction of two-dimensional Cartesian coordinates under the panel of the electromagnetic-induction system;
• a plurality of second antenna loops with said plurality of dummy closed regions, wherein said plurality of second antenna loops are distributed along the Y-direction of two-dimensional Cartesian coordinates under the panel of the electromagnetic-induction system;
• a ground wire, wherein said plurality of first antenna loops and said plurality of second antenna loops are electrically connected with said ground wire;
• and
• a plurality of antenna switches, wherein every one of said plurality of first antenna loops and said plurality of second antenna loops is electrically connected with every one of said plurality of antenna switches.