Qualcomm Incorporated

Kumar Appaiah

Aleksandar Jovicic

Snehesh Shrestha

Methods, apparatus, systems, and devices are described for using a mobile device equipped with an image sensor to retrieve information associated with a light fixture. A method of using a mobile device equipped with an image sensor to retrieve information associated with a light fixture may include capturing, at the image sensor, an image of an illuminated indicia. The illuminated indicia may be co-located with the light fixture. At least one characteristic of the illuminated indicia may be determined from the image of the illuminated indicia. Information associated with the at least one characteristic of the illuminated indicia may be retrieved.

Use of mobile device with image sensor to retrieve information associated with light fixture

Methods, systems, and devices are described for determining an orientation of a mobile device. One method includes capturing, at the mobile device, an image of at least one illuminated object defining an illuminated reference axis; determining a first angle between the illuminated reference axis and a device reference axis of the mobile device; determining a second angle between the illuminated reference axis and a common reference axis; estimating a third angle between the device reference axis and the common reference axis; and determining an orientation of the mobile device based at least in part on the first angle, the second angle, and the third angle.

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Piscataway, NJ, United States of America

Kumar Appaiah