Electronic devices with orientation sensing

    公开(公告)号:US10484793B1

    公开(公告)日:2019-11-19

    申请号:US15245582

    申请日:2016-08-24

    Applicant: Apple Inc.

    Abstract: An electronic device such as a pair of headphones may be provided with left and right speakers for playing audio to a user. Control circuitry in the electronic device may play audio through the speakers in an unreversed configuration in which left channel audio is played through a first of the speakers that is adjacent to a left ear of the user and right channel audio is played through a second of the speakers that is adjacent to a right ear of the user or a reversed configuration in which these channel assignments are reversed. The headphones may have ear cups that house the speakers. Capacitive touch sensors, force sensors, and other sensors on the ear cups may measure ear shapes and finger grip positions on the ear cups to determine whether to operate in the unreversed or reversed configuration. Sensors may gather gestures and other user touch input.

    Fabric-based devices with force sensing

    公开(公告)号:US10180721B2

    公开(公告)日:2019-01-15

    申请号:US15940876

    申请日:2018-03-29

    Applicant: Apple Inc.

    Abstract: A fabric-based item such as a fabric glove may include force sensing circuitry. The force sensing circuitry may include force sensor elements formed from electrodes on a compressible substrate such as an elastomeric polymer substrate. The fabric may include intertwined strands of material including conductive strands. Signals from the force sensing circuitry may be conveyed to control circuitry in the item using the conductive strands. Wireless circuitry in the fabric-based item may be used to convey force sensor information to external equipment. The compressible substrate may have opposing upper and lower surfaces. Electrodes for the force sensor elements may be formed on the upper and lower surfaces. Stiffeners may overlap the electrodes to help decouple adjacent force sensor elements from each other. Integrated circuits can be attached to respective force sensing elements using adhesive.

    Weaving equipment with strand modifying unit

    公开(公告)号:US10174444B1

    公开(公告)日:2019-01-08

    申请号:US14938661

    申请日:2015-11-11

    Applicant: Apple Inc.

    Abstract: Weaving equipment may include warp strand positioning equipment that positions warp strands and weft strand positioning equipment that inserts weft strands among the warp strands to form fabric. One or more of the warp strands may be selectively modified along its length using a warp strand modification unit. The warp strand modification unit may be interposed between the fabric and a reed, may be interposed between the fabric and the warp strand positioning equipment, may be mounted to the reed, or may be incorporated elsewhere in the weaving equipment. Warp strand modifications may include adding segments of metallic paint coatings or other conductive coatings, adding insulating coatings, applying other liquids to segments of the warp strand, modifying the stretchiness of warp strands, removing material from segments of the warp strand, and attaching electrical components to the warp strand.

    Conductive strands for fabric-based items

    公开(公告)号:US09974170B1

    公开(公告)日:2018-05-15

    申请号:US15146601

    申请日:2016-05-04

    Applicant: Apple Inc.

    Abstract: Strands of material may be intertwined using weaving techniques, knitting techniques, non-woven or entanglement techniques, or braiding techniques. Fabric that is formed from the strands of material may be used in forming a fabric-based item. The fabric based item may include electrical components. The strands may include conductive strands that form signal paths. The signal paths can carry electrical signals associated with operation of the electrical components. Each strand may have an elongated core and a coating. Strands may also include intermediate layers between the cores and coatings. The cores, intermediate layers, and coatings may be formed from polymer without conductive filler, polymer with conductive filler, and/or metal. A polymer core may be provided with recesses to help retain subsequently deposited layers such as a metal coating layer. The recesses may be grooves that extend along the longitudinal axis of the core.

    Three-Dimensional Fabric With Embedded Input-Output Devices

    公开(公告)号:US20170247820A1

    公开(公告)日:2017-08-31

    申请号:US15512530

    申请日:2015-09-16

    Applicant: Apple Inc.

    Abstract: Three-dimensional weaving, knitting, or braiding tools may be used to create three-dimensional fabric (24) with internal pockets (56). The pockets (56) may be shaped to receive electrical components such as switch electrodes (46A, 46B) for a switch (18). The fabric (24) may have adjacent first and second layers that are interposed between the switch electrodes (46A, 46B). The switch electrodes (46A, 46B) may be biased apart using magnets (46A-1, 46B-1) or other biasing structure. In a region of the fabric (24) that overlaps the first and second switch electrodes (46A, 46B), the first and second layers of fabric may be disconnected from each other. This allows the first and second layers to pull away from each other so that the electrodes (46A, 46B) are separated by the biasing force from the biasing structure. The switch (18) can be closed by pressing the electrodes (46A, 46B) together.

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