Efficient gait data management in mobile

    公开(公告)号:US11609242B1

    公开(公告)日:2023-03-21

    申请号:US16806773

    申请日:2020-03-02

    Applicant: David Martin

    Inventor: David Martin

    Abstract: Methods are described for generating a user interface displaying at least a useful image, wherein the useful image has been created in some embodiments by means of: determining, over a period of time, a first set of a first amount of values of a gait attribute, and obtaining, using the first set and leveraging a matrix factorization, a second set of a second amount of values representing colors.

    Tire traction devices
    2.
    发明授权

    公开(公告)号:US11059335B2

    公开(公告)日:2021-07-13

    申请号:US15989970

    申请日:2018-05-25

    Applicant: David Martin

    Inventor: David Martin

    Abstract: A tire traction assembly for mounting upon a tire. The assembly includes a plurality of flexible members such as chains or cables engaged in pivoting connections with brackets at opposing ends. A separable adjustable connector such as a toothed member is attached to a first of the two brackets and configured for engagement with a ratchet mechanism attached to the second of the brackets to releasably secure the tire traction assembly around the tire. A plurality of traction cables configured to traverse the rolling surface of the tire are located in-between the brackets. The brackets may include a planar tread plate which has opposing planar side surfaces configuring the brackets to a U-shape.

    System and method for conditioning air in an enclosed structure

    公开(公告)号:US09976822B2

    公开(公告)日:2018-05-22

    申请号:US13426793

    申请日:2012-03-22

    Abstract: An energy exchange system includes a supply flow path including a central sub-path connected to a bypass sub-path that is, in turn, connected to a delivery sub-path that connects to the enclosed structure. A sensible heat exchanger configured to condition the supply air is disposed within the central sub-path. The bypass sub-path connects to the central sub-path upstream from the sensible heat exchanger within the central sub-path. A first coil configured to further condition the supply air is disposed within the central sub-path downstream from the sensible heat exchanger. A bypass damper is disposed within the bypass sub-path. The bypass damper is configured to be selectively opened and closed. The bypass damper allows at least a portion of the supply air to pass through the bypass sub-path into the delivery sub-path and bypass the sensible heat exchanger and the first coil when the bypass damper is open.

    Networked air quality monitoring
    7.
    发明授权

    公开(公告)号:US09890969B2

    公开(公告)日:2018-02-13

    申请号:US14533305

    申请日:2014-11-05

    Applicant: David Martin

    Inventor: David Martin

    Abstract: Systems, methods, and non-transitory computer-readable media for continuously monitoring residential air quality and providing a trend based analysis regarding various air pollutants are presented herein. The system comprises an air quality monitor located in a residential house, wherein the air quality monitor is configured to measure the level of an air pollutant. The system also includes a server that is communicatively coupled to the air quality monitor, wherein the server is configured to generate a unique environmental fingerprint associated with the residential house.

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