Blackberry Corporation

Research in Motion Corporation

Hassan Daniel Hosseinpor

Eric Gary Malo

Cameron Russell Steeves

Robert James Lowles

Graham Charles Townsend

Colin Shiva Ramrattan

Rayhan Behin

Gregory William Jacobs

An electrical assembly having controlled impedance signal traces and a portable electronic device comprising an electrical assembly having controlled impedance signal traces are provided. In accordance with one embodiment, there is provided a portable electronic device, comprising an electrical assembly, comprising: a chassis made from a conductive material and forming a first ground plane; a first dielectric substrate layer overlaying the chassis; a first signal trace overlaying the first dielectric substrate layer; and a second dielectric layer overlaying the first signal trace.

Electrical assembly having impedance controlled signal traces

An optical navigation subsystem may be used when obtaining a candidate fingerprint for a mobile communication device (e.g., for authentication purposes). To accommodate such use of the optical navigation subsystem, the optical navigation subsystem may be adapted to automatically adjust a processed image sensor window from a first set of window dimensions (e.g., suitable for optical navigation) to a second set of window dimensions (e.g., suitable for fingerprint capture). Alternatively, a single, static set of window dimension may be employed in conjunction with stitching algorithms, or other methods suitable for forming candidate fingerprint images by combining a plurality of images obtained using the static set of window dimension.

Fingerprint scanning with optical navigation

An electrical assembly having controlled impedance signal traces and a portable electronic device comprising an electrical assembly having controlled impedance signal traces are provided. In accordance with one embodiment, there is provided an electrical assembly, comprising: a chassis for mounting electronic components, the chassis being made from a conductive material and forming a first ground plane; a first dielectric layer overlaying the chassis; a first signal trace overlaying the first dielectric layer; and a second dielectric layer overlaying the first signal trace.

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Wa, Canada

Hassan Daniel Hosseinpor