Motorola Corporation

Motorola Mobility LLC

Mattia Pascolini

Carlo DiNallo

Sung-Hoon Oh

Paul Morningstar

Soo Won Hong

An antenna includes a U-shaped radiator portion having a first extending arm and a second extending arm parallel and adjacent the first extending arm and coupled to the first extending arm by a junction portion, where the first and second extending arms and the junction portion defining a slot. The antenna further includes a ground plane physically coupled only to the first extending arm and a distributed feed element disposed at least partially within the slot and operable to radiate electromagnetic signals within a first frequency range and electrically excite at least portions of the radiator portion at at least a second frequency range having frequencies outside the first frequency range, thereby causing the radiator portion to radiate electromagnetic signals within the second frequency range.

Self-resonating antenna

An antenna assembly includes a ground plane and an element coupled to the ground plane. The element has a center point, a first element portion extending away from the center point on a first side of the center point for a first distance in a first direction, bending at a first approximately 180 degree bend, extending towards the center point for a second distance in a second direction, bending at a second approximately 180 degree bend, and extending away from the center point for a third distance in the first direction. The element also has a second element portion provided on a second side of the center point opposite the first element portion on the first side of the center point, the second element portion being substantially a mirror image of the first element portion. The element also includes a ground leg located on the first side of the center point a first distance from the center point, extending substantially perpendicular to the first and second element portions, and coupling the element to the ground plane and a feed leg located on the second side of the center point a second distance from the center point, the feed leg extending substantially parallel to the ground leg.

Multi-band low profile antenna with low band differential mode

A 'candy bar' form factor wireless handset () having an internal antenna () a bottom end of an main internal circuit board () and an auxiliary field shaping conductor () at a top end of the main internal circuit board () behind the an earpiece speaker (). The field shaping conductor () is spaced from a ground plane) of the main circuit board () but is inductively and capacitively coupled to the ground plane (). The field shaping conductor () lowers the electric field intensity in front of the earpiece speaker and thereby reduces interference of the wireless handset () with hearing aids.

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Plantation, FL, United States of America

Mattia Pascolini