Abstract: A flexible electronic interconnect comprises a first dielectric layer including a first surface and second surface opposite the first surface; a plurality of conductors disposed on the first surface of the first dielectric layer and arranged spaced apart from each other using a conductor spacing; and a first plurality of conductive shields disposed on the second surface of the first dielectric layer and arranged spaced apart from each other using a conductive shield spacing. The first plurality of conductive shields is arranged opposite the plurality of conductors and the conductive shield spacing is arranged opposite the conductor spacing.

Abstract: A current measurement circuit suitable for measuring the flow of current along a path in an electrical circuit such as a part of an electric power assisted steering system comprises a current measurement resistor that is located in series in the electrical path through which a current to be measured may flow, a first measurement sub-circuit that measures the voltage dropped across at least a part of the resistor and produces a first output signal, and a second measurement sub-circuit that measures the voltage dropped across at least a part of the resistor and produces a second output signal, and in which the electrical connections of the two sub-circuits to the resistor are independent of each other.

Abstract: Apparatus and methods are provided for ameliorating distortion issues associated with a conductor that passes over a void in a reference plane. In an example, the signal conductor can include a first part routed over the major surface of a first side of the reference plane structure on a first side of the void and that approaches a first edge of the reference plane structure with a first trajectory, a second part routed over the major surface of the reference plane structure on a second side of the void and that approaches a second edge of the reference plane structure with a second trajectory, and a third portion connecting the first portion with the second portion, the third portion spanning the void, and having a plurality of spurs extending from a body of the third portion.

Abstract: An electrical interconnect for an electronic package. The electrical interconnect includes a first dielectric layer; a second dielectric layer; a signal conductor positioned between the first dielectric layer and the second dielectric layer; and a conductive reference layer mounted on the first dielectric layer, and wherein the conductive reference layer does not cover the signal conductor. The conductive reference layer may be a first conductive reference layer and the electrical interconnect further comprises a second conductive reference layer mounted on the second dielectric layer. The second conductive reference layer does not cover the signal conductor. In addition, the signal conductor may be a first signal conductor and the electrical interconnect may further include a second signal conductor between the first dielectric layer and the second dielectric layer. The first and second signal conductors may form a differential pair of conductors.

Abstract: A self-equalizing interconnect in a connector is installed in a microelectronic device. The self-equalizing interconnect is formed of a plurality of electrically conductive layers under conditions to offset skin-effect losses with respect to frequency change during operation. Each successive layer is configured to with the next highest electrical conductivity and subsequent electrically conductive films gradually decrease in electrical conductivity. In an embodiment, thickness of the conductive film adjacent the reference plain is configured thinnest and subsequent films are added and are seriatim gradually thicker. The highest electrically conductive film is configured closest to a reference plane in the connector, and the lowest electrically conductive film is farthest from the reference plane.

Abstract: Apparatus and methods are provided for ameliorating distortion issues associated with a conductor that passes over a void in a reference plane. In an example, the conductor can include a first part routed over a major surface of a first side of the reference plane structure and that approaches a first edge of the reference plane structure with a first trajectory, a second part routed over the major surface of a second side of the reference plane structure and that approaches a second edge of the reference plane structure with a second trajectory in-line with the first trajectory, and a third portion connecting the first portion with the second portion and having a third trajectory departing from the first trajectory and the second trajectory, the third portion configured to span the void.

Abstract: Apparatus and methods are provided for ameliorating distortion issues associated with a conductor that passes over a void in a reference plane. In an example, the signal conductor can include a first part routed over the major surface of a first side of the reference plane structure on a first side of the void and that approaches a first edge of the reference plane structure with a first trajectory, a second part routed over the major surface of the reference plane structure on a second side of the void and that approaches a second edge of the reference plane structure with a second trajectory, and a third portion connecting the first portion with the second portion, the third portion spanning the void, and having a plurality of spurs extending from a body of the third portion.

Abstract: Some embodiments include a protective cover for a mobile display device including a housing, a backplane, a liner, and a lip. The housing includes an outer portion and an inner portion, where the outer portion of the housing has a rectangular frame structure to provide a protective shell along an outer edge of the mobile display device, and where the inner portion receives and secures the mobile display device. The backplane is comprised of a rigid material and is coupled to a backside of the housing and provides a protective shell along a back side of the mobile display device. The liner has a corrugated soft rubber or polymer construction including a successive pattern of protrusions separated by a distance and is coupled to the inner portion of the housing. The lip is coupled to a front side of the housing to retain the mobile display device within the housing.

Abstract: An electrical interconnect for an electronic package. The electrical interconnect includes a first dielectric layer; a second dielectric layer; a signal conductor positioned between the first dielectric layer and the second dielectric layer; and a conductive reference layer mounted on the first dielectric layer, and wherein the conductive reference layer does not cover the signal conductor. The conductive reference layer may be a first conductive reference layer and the electrical interconnect further comprises a second conductive reference layer mounted on the second dielectric layer. The second conductive reference layer does not cover the signal conductor. In addition, the signal conductor may be a first signal conductor and the electrical interconnect may further include a second signal conductor between the first dielectric layer and the second dielectric layer. The first and second signal conductors may form a differential pair of conductors.

Abstract: In certain embodiments, a sensing and tracking system detects objects, such as user input devices or peripherals, and user interactions with them. A representation of the objects and user interactions are then injected into the virtual reality environment. The representation can be an actual reality, augmented reality, virtual representation or any combination. For example, an actual keyboard can be injected, but with the keys pressed being enlarged and lighted.

Abstract: In some embodiments, a system comprising one or more processors configured to track a location of an input device within a physical environment via a three-dimensional (3D) tracking system, and modify a tracking parameter of the 3D tracking system while tracking the location of the input device based on the determined location of the input device within the physical environment. The input device may be coupled to a virtual reality display system and tracking the location of the location of the input device can be used for interacting with the virtual reality display system.

Abstract: In certain embodiments, a sensing and tracking system detects objects, such as user input devices or peripherals, and user interactions with them. A representation of the objects and user interactions are then injected into the virtual reality environment. The representation can be an actual reality, augmented reality, virtual representation or any combination. For example, an actual keyboard can be injected, but with the keys pressed being enlarged and lighted.

Abstract: A tubular goods connection for releasably coupling tubular members includes: a coupling having a first internal wedge dove-tail thread formed within a longitudinal bore of the coupling and a second internal dove-tail wedge thread; a first tubular member having a first mating external vanishing dove-tail wedge thread extending from a first proximal pin end face; and a second tubular member substantially identical to the first tubular member; wherein when the first and second tubular members are made-up into the coupling using a predetermined recommended optimum torque, a distance D between the first pin end face and the second pin end face is in the range of 0 to 10 millimeters and when the distance D is equal to 0 there is contact between the first pin end face and a second pin end face of the second tubular good but there is no axial interference.

Abstract: A current measurement circuit suitable for measuring the flow of current along a path in an electrical circuit such as a part of an electric power assisted steering system comprises a current measurement resistor that is located in series in the electrical path through which a current to be measured may flow, a first measurement sub-circuit that measures the voltage dropped across at least a part of the resistor and produces a first output signal, and a second measurement sub-circuit that measures the voltage dropped across at least a part of the resistor and produces a second output signal, and in which the electrical connections of the two sub-circuits to the resistor are independent of each other.

Abstract: Embodiments provide a touch surface that can be integrated into an electronic device. User input can be received via the touch surface (e.g., a touchscreen, a key cap). The touch surface can include a substrate, a rigid layer for maintaining the contours of the substrate, and a surface layer deposited over the rigid layer for adjusting the surface energy of the touch surface. The substrate can be made with plastic; the rigid layer can be a diamond-like carbon (DLC) coating; and the surface layer can be comprised of fluoro- or silicon-rich molecules. The DLC can be deposited over the plastic substrate via physical vapor deposition (PVD) while the surface layer can be deposited over the DLC via a chemical vapor deposition (CVD). The touch surface can be constructed using different layers of material and using different methods to improve the longevity of the touch surface against repeated use and wear.

Abstract: A contactless, three-dimensional fingerprint scanner apparatus, method, and system are described. The contactless fingerprint scanner can provide either, or both, topographical contrast of three-dimensional fingerprint features and optical contrast of a three-dimensional fingerprint surface. Data captured from scanning of a target with known geometric features mimicking fingerprint features can be examined as images or surface plots and analyzed for fidelity against the known target feature specifications to evaluate or validate device capture performance as well as interoperability. The target can be used by scanner vendors and designers to validate their devices, as well as to perform type certification.

Abstract: Aspects of the invention relate to an apparatus including a housing and a slot disposed in the housing, the slot configured to hold an input device in a plurality of upright configurations including at least a forward-facing upright configuration such that the input device faces the front portion of the housing, and at least a backward-facing upright configuration such that the input device faces the back portion of the housing. The slot can be overmolded with a rubber compound (e.g. silicon-based) and configured to provide an improved coefficient of friction to reduce slippage of the input device when held in the slot. In some aspects, the housing includes a surface, and the overmolded portion of the slot can protrude above the surface of the housing.

Abstract: A method includes placing an input device in a passive mode of operation and periodically monitoring a displacement sensor of the input device, receiving an indication of displacement from the displacement sensor, and placing the input device in an active mode of operation characterized by a power consumption level. The method also includes determining a passing of a predetermined time period since receiving the indication of displacement, placing the input device in a second active mode of operation characterized by a second power consumption level less than the power consumption level, and periodically monitoring one or more of a plurality of touch sensors. The method further includes receiving an indication of input from the one or more of the plurality of touch sensors and placing the input device in the active mode of operation.

Abstract: A contactless, three-dimensional fingerprint scanner apparatus, method, and system are described. The contactless fingerprint scanner can provide either, or both, topographical contrast of three-dimensional fingerprint features and optical contrast of a three-dimensional fingerprint surface. Data captured from scanning of a target with known geometric features mimicking fingerprint features can be examined as images or surface plots and analyzed for fidelity against the known target feature specifications to evaluate or validate device capture performance as well as interoperability. The target can be used by scanner vendors and designers to validate their devices, as well as to perform type certification.

Abstract: Some embodiments include a protective cover for a mobile display device including a housing, a backplane, a liner, and a lip. The housing includes an outer portion and an inner portion, where the outer portion of the housing has a rectangular frame structure to provide a protective shell along an outer edge of the mobile display device, and where the inner portion receives and secures the mobile display device. The backplane is comprised of a rigid material and is coupled to a backside of the housing and provides a protective shell along a back side of the mobile display device. The liner has a corrugated soft rubber or polymer construction including a successive pattern of protrusions separated by a distance and is coupled to the inner portion of the housing. The lip is coupled to a front side of the housing to retain the mobile display device within the housing.