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1025 results about "Head position" patented technology

Natural head position is a reproducible position of a head when it is in an upright position, with eyes looking straight at a mark.

Tracking and gesture recognition system particularly suited to vehicular control applications

A system and method tracks the movements of a driver or passenger in a vehicle (ground, water, air, or other) and controls devices in accordance with position, motion, and/or body or hand gestures or movements. According to one embodiment, an operator or passenger uses the invention to control comfort or entertainment features such the heater, air conditioner, lights, mirror positions or the radio/CD player using hand gestures. An alternative embodiment facilitates the automatic adjustment of car seating restraints based on head position. Yet another embodiment is used to determine when to fire an airbag (and at what velocity or orientation) based on the position of a person in a vehicle seat. The invention may also be used to control systems outside of the vehicle. The on-board sensor system would be used to track the driver or passenger, but when the algorithms produce a command for a desired response, that response (or just position and gesture information) could be transmitted via various methods (wireless, light, whatever) to other systems outside the vehicle to control devices located outside the vehicle. For example, this would allow a person to use gestures inside the car to interact with a kiosk located outside of the car.
Owner:JOLLY SEVEN SERIES 70 OF ALLIED SECURITY TRUST I

Pupil center-corneal reflection (PCCR) based sight line evaluation method in sight line tracking system

InactiveCN102125422AAchieve estimatesReduced minimum hardware requirementsEye diagnosticsHead movementsEffective solution
The invention provides a pupil center-corneal reflection (PCCR) based sight line evaluation method in a sight line tracking system, belonging to the field of man-machine interaction. With specific to the main problems on user head motion limits and individual calibration in the traditional PCCR, the invention provides a method for compensating head positions under the conditions of a single camera and a single light source, which realizes the analysis compensation for influences of head positions variation to a pupil center-corneal vector, establishes an individual difference conversion model and further simplifies a calibration process to be a single-point process. Accordingly, a novel sight line evaluation method is developed; and in the method, the requirements of precise sight line evaluation on minimum hardware are decreased to be the single camera (uncalibrated) and the single light source, complex system calibration is unnecessary, natural head-motion sight line evaluation is realized, and user calibration is simplified to be single-point calibration. All links in the method meet the instantaneity requirements, and an effective solution to the sight line tracking system oriented to man-machine interaction is provided.
Owner:UNIV OF SCI & TECH BEIJING

Ink-jet printing apparatus and head position adjustment method thereof

An ink-jet printing apparatus and a head position adjustment method which are capable of adjusting respective positions of multiple ink-jet heads in either a simultaneous manner or in an independent manner. The head position adjustment method can be applied to an ink-jet printing apparatus including a movable support table, a first ink-jet head fixedly coupled to the support table and provided with nozzles to eject ink, and a second ink-jet head arranged to be movable with respect to the first ink-jet head and provided with nozzles to eject ink. The head position method can include detecting respective positions of the first and second ink-jet heads, comparing the detected position of the first ink-jet head with a target position of the first ink-jet head, moving the support table to correct the position of the first ink-jet head, comparing the detected position of the second ink-jet head with a target position of the second ink-jet head if the detected position of the first ink-jet head is different from the target position of the first ink-jet head, and moving the second ink-jet head with respect to the first ink-jet head to correct the position of the second ink-jet head if the detected position of the second ink-jet head is different from the target position of the second ink-jet head.
Owner:SAMSUNG ELECTRONICS CO LTD
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