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公开(公告)号:US20210143672A1
公开(公告)日:2021-05-13
申请号:US17081740
申请日:2020-10-27
Applicant: SNAP INC.
Inventor: Shaheen MOUBEDI , Ugur Olgun
Abstract: Eyewear that is configured to be wirelessly charged and also wirelessly communicate bidirectionally using a single coil in a front end. The single coil forms a single compact antenna that is configured for both near field data communications (NFC) and also for wireless charging when the eyewear is closely coupled to a wireless power charger having a transceiver. Wireless charging and bidirectional communication of the eyewear can be performed using Qi expanded power profile (EPP), which is an open interface standard developed by the Wireless Power Consortium.
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公开(公告)号:US20200274380A1
公开(公告)日:2020-08-27
申请号:US16796651
申请日:2020-02-20
Applicant: Snap Inc.
Inventor: Shaheen MOUBEDI
IPC: H02J7/00 , G01R31/382 , G01R31/385 , H03K19/0175
Abstract: A charging cable has a current sensor, a charging state indicator and logic circuitry to operate the indicator based on detected levels of current flow to a chargeable device. If the sensor detects current is below a low threshold, the logic circuitry operates the indicator to indicate that the cable is not connected to any chargeable device. If the sensor detects current at or above a higher threshold, the logic circuitry operates the indicator to provide a perceptible output indicating that the cable is connected to the chargeable device and the current is charging the battery. If the sensor detects current at or above the low threshold but below the high threshold, the logic circuitry operates the indicator to provide a perceptible output indicating that the cable is connected to a chargeable device but is not charging the battery of the device, e.g. when the battery is, or is nearly, fully charged.
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