Method computer program and driver unit for streaming gaze data packets

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United States of America Patent

PATENT NO 11716365
SERIAL NO

17007397

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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Data packets containing gaze data are streamed from an eyetracker to a client via a driver unit by receiving, repeatedly, gaze data packets in a first interface; and, providing, repeatedly, via a second interface, gaze data packets. The client sends a request message to the driver unit. The request message defines a delivery point in time in a first time frame structure at which delivery point in time in each frame of the first time frame structure the gaze data packet shall be provided to the client via the second interface. An offset is calculated between a reception point in time and the delivery point in time. The reception point in time indicates when a gaze data packet is received from the eyetracker relative to the first time structure. An adjusted data acquisition instance is assigned based on the offset. The adjusted data acquisition instance represents a modified point in time in a second time frame structure when at least one future gaze data packet shall be produced by the eyetracker. The driver unit sends a control message to the eyetracker. The control message is adapted to cause the eyetracker to produce the at least one future gaze data packet at such an adjusted acquisition instance in the second time structure that the reception point in time for the at least one future gaze data packet is expected to lie within a margin prior to the delivery point in time.

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Patent Owner(s)

Patent OwnerAddress
TOBII ABBOX 743 DANDERYD SE-182-17

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Clausen, Anders Danderyd, SE 20 216
Tornéus, Daniel Danderyd, SE 14 20

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