Motorola Corporation

Yu Chee Tan

Yew Siow Tay

Guan Hong Ng

Kok Kiong Tang

Chao Feng

Xi Lin (Vick) Chen

Swee (Gary) Hui Quek

Yew Siow (Roger) Tay

Yew (Roger) Siow Tay

An antenna radiator assembly () and radio communications assembly () comprising a circuit board () supporting electrical conductors (), one of the electrical conductors () being coupled to a feed point (), and the circuit board () having a ground plane () formed from at least one conductive sheet. There is a tuning resonator () comprising a tuning plate () operatively coupled to a tuning line (), the tuning plate () being formed from part of the conductive sheet. An antenna radiator element () is spaced from said circuit board () and coupled to the feed point (), and when viewed in plan view there is an overlapping area where an overlapping surface area of the antenna radiator element overlaps an overlapping surface area of the circuit board thereby forming a sandwiched dielectric region therebetween. A ground connector inductively couples the antenna radiator element () to the ground plane (), wherein the tuning resonator () is disposed in the overlapping surface area.

Antenna radiator assembly and radio communications assembly

A radio communications assembly () and an antenna radiator assembly (). The antenna radiator assembly () forms part of the radio communications assembly () and is housed in a housing (). The antenna radiator assembly () has a circuit board () supporting electrical conductors () one of which is coupled to a feed point (). There is also a ground plane () and an antenna radiator element () is coupled to the feed point (). The antenna radiator element () is spaced from the ground plane () and a tertiary antenna radiator arm () spaced from the antenna radiator element (). There is also a first band stop filter () disposed in a space () between the tertiary antenna radiator arm () and the antenna radiator element (). The first band stop filter () provides electrical coupling of the antenna radiator element (to the tertiary antenna radiator arm () at its band pass frequencies. Further, the first band stop filter () provides for electrically de-coupling of the antenna radiator element () from the tertiary antenna radiator arm () at its first band stop bandwidth.

Communications assembly and antenna radiator assembly

An antenna radiator assembly () and radio communications assembly () comprising a circuit board () supporting electrical conductors, at least one of the electrical conductors being coupled to a feed point (). There is a ground plane () with a first planar element () and a second planar element (), the first planar () element being supported by the circuit board () and having a first planar element plane () parallel to a surface () of the circuit board (), and the second planar element () having a second planar element plane () lateral to the first planar element plane (). A ground connector is coupled to the ground plane () and the antenna radiator element () is coupled to both the ground connector and the feed point. The antenna radiator element () is spaced from the ground plane the antenna radiator element () has an antenna radiator element plane () is lateral to the first planar element plane ().

An antenna radiator assembly () and radio communications assembly () comprising a circuit board () supporting electrical conductors (), one of the electrical conductors () being coupled to a feed point (), and the circuit board () having a ground plane () formed from at least one conductive sheet. There is a tuning plate (), a parasitic tuning line (), a switching unit () selectively electrically coupling the tuning plate () to the tuning line (). There is also an antenna radiator element () spaced from the circuit board () and coupled to the feed point (), and when viewed in plan view there is an overlapping area where an overlapping surface area of the antenna radiator element () overlaps an overlapping surface area of the circuit board () thereby forming a sandwiched dielectric region therebetween, the sandwiched dielectric region providing capacitive coupling of the tuning plate () and the antenna radiator element (); and a ground connector () inductively coupling the antenna radiator element () to the ground plane (), wherein the tuning plate () is disposed in the overlapping surface area of the circuit board ().

Communications assembly and antenna assembly with a switched tuning line

A circuit assembly () and electronic device () having a printed circuit board (), with conductive runners () and a ground plane (). There is electronic circuitry () mounted to the circuit board () and electrically coupled to the runners (). The circuit assembly () also has a Liquid Crystal Display () electrically coupled to the electronic circuitry (), and a monopole element () is mounted on a surface of the Liquid Crystal Display () by a dielectric mount () that is proximal to an edge () of the printed circuit board ().

Circuit assembly and electronic device incorporating such an assembly

A radio communications device () having an antenna radiator assembly () has radio frequency communications circuitry (), a ground plane (), a radio frequency radiator element () and connectors each physically contacting the radio frequency radiator element () at contact points. A feed point () formed by one of the connectors couples the radio frequency radiator element () to the radio frequency communications circuitry (). Grounds links () formed the connectors selectively couple the radio frequency radiator element () to the ground plane () via a switching unit (). When operating in a specific frequency band during a transmit mode, the switching unit () selects one the connectors to provide a transmit frequency sub-band, and when operating in the specific frequency band during a receive mode, the switching unit selects another of the connectors to provide a receive frequency sub-band.

Growing community of inventors

Singapore, Singapore

Yu Chee Tan