| 摘要 |
<p>An accessory (102, 402, 500, 520) that includes a light transmitter (100, 400, 502, 522) may be worn by a user of an electronic device (104, 404, 600) that includes a light receiver (106, 406, 654) and a display screen (108, 408, 606). When the accessory (102, 402, 500, 520) is paired to the electronic device (104, 404, 600), the device (104, 404, 600) may be configured to perform one or more behaviours (668) in response to a change intensity of light incident on the light receiver (106, 406, 654), the light having been transmitted from the accessory (102, 402, 500, 520). Example behaviours include activating and deactivating the display screen (108, 408, 606), altering what is displayed on a display screen (108, 408, 606), and turning the electronic device (104, 404, 600) on or off.</p> |
