Variable multi-band planar antenna assembly

A variable multi-band planar antenna assembly comprising:

• a ground plane element, oriented in a first plane;
• a planar reference antenna element having at least two resonant frequency bands, oriented in a second plane substantially parallel to the first plane;
• and
• a variable secondary radiator element electrically coupled to the planar reference antenna element, oriented in a third plane substantially parallel to the second plane.

A variable multi-band planar antenna assembly comprising:

• a ground plane element, oriented in a first plane;
• a planar reference antenna element, oriented in a second plane substantially parallel to the first plane;
• and
• a variable secondary radiator element electrically coupled to the planar reference antenna element, oriented in a third plane substantially parallel to the second plane,
• wherein the variable secondary radiator element and the planar reference antenna element are designed to be variable in position relative to each other.

A variable multi-band planar antenna assembly comprising:

• a ground plane element, oriented in a first plane;
• a planar reference antenna element, oriented in a second plane substantially parallel to the first plane;
• and
• a variable secondary radiator element electrically coupled to the planar reference antenna element, oriented in a third plane substantially parallel to the second plane,
• wherein the variable secondary radiator element is variable in dimension.

A variable multi-band planar antenna assembly comprising:

• a ground plane element, oriented in a first plane;
• a planar reference antenna element, oriented in a second plane substantially parallel to the first plane;
• and
• a variable secondary radiator element electrically coupled to the planar reference antenna element, oriented in a third plane substantially parallel to the second plane,
• wherein a shape of the variable secondary radiator element is adjustable.

A variable multi-band planar antenna assembly comprising:

• a ground plane element, oriented in a first plane;
• a planar reference antenna element, oriented in a second plane substantially parallel to the first plane;
• and
• a variable secondary radiator element electrically coupled to the planar reference antenna element, oriented in a third plane substantially parallel to the second plane,
• wherein a surface area of the variable secondary radiator element is adjustable.

A variable multi-band planar antenna assembly comprising:

• a ground plane element, oriented in a first plane;
• a planar reference antenna element, oriented in a second plane substantially parallel to the first plane;
• a variable secondary radiator element electrically coupled to the planar reference antenna element, oriented in a third plane substantially parallel to the second plane;
• and
• an electrical element, coupled to the variable secondary radiator element.

A variable multi-band planar antenna assembly comprising:

• a ground plane element
• a low frequency band antenna element;
• a high frequency band antenna element;
• a feed structure electrically coupled to the low frequency band antenna element and the high frequency band antenna element;
• a ground structure electrically coupled to the low frequency band antenna element and the high frequency band antenna element;
• and
• a variable secondary radiator electrically coupled to the low frequency band antenna element and the high frequency band antenna element.

A wireless communication device comprising:

• a housing;
• a ground plane element;
• a low frequency band radiating element, coupled to a feed structure and the ground plane, having a low resonant frequency;
• a high frequency band radiating element, coupled to the feed structure and the ground plane, having a high resonant frequency;
• a variable secondary radiator element, electrically coupled to the low frequency band radiating element and the high frequency band radiating element, for creating variable capacitive coupling,
• wherein the variable secondary radiator element can be varied to change the value of the variable capacitive coupling.

A wireless communication device comprising;

• a housing;
• a ground plane element;
• a low frequency band radiating element, coupled to a feed structure and the ground plane, having a low resonant frequency;
• a high frequency band radiating element, coupled to the feed structure and the ground plane, having a high resonant frequency;
• a variable secondary radiator element, electrically coupled to the low frequency band radiating element and the high frequency band radiating element, for creating variable inductive coupling,
• wherein the variable secondary radiator element can be varied to change the value of the variable inductive coupling.