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135 results about "Maximum duration" patented technology

Dosing Limitation for an Implantable Medical Device

A method for limiting patient-initiated electrical signal therapy provided by an implantable medical device (IMD) to a cranial nerve of a patient. At least one electrical signal therapy limit selected from the group consisting of a maximum number of patient-initiated signals to provide a therapeutic electrical signal per a time period, a maximum dose of the therapeutic electrical signal per a time period, a maximum duration of the therapeutic electrical signal per a time period, a maximum rate of change of the number of patient-initiated signals to provide a therapeutic electrical signal per a time period, a maximum rate of change of the dose of the therapeutic electrical signal per a time period, and a maximum rate of change of the duration of the electrical signal therapy per a time period is specified. A patient-initiated signal to begin a therapeutic electrical signal is received. Whether or not said electrical signal therapy limit is exceeded by said step of detecting a patient-initiated signal is determined. An action in response to said step of determining whether or not said limit is exceeded is performed, said action selected from the group consisting of providing a first electrical signal therapy to said cranial nerve, providing a second, reduced electrical signal therapy to said cranial nerve, providing a third, enhanced electrical signal therapy to said cranial nerve, inhibiting an electrical signal therapy to said cranial nerve, providing a background electrical signal to said cranial nerve, and inhibiting a background electrical signal to said cranial nerve.
Owner:LIVANOVA USA INC

Video processing method and device, electronic equipment and storage medium

ActiveCN110213670AAvoid too long questionsAvoid long questionsSelective content distributionFeature vectorScene segmentation
The invention provides a video processing method and device, electronic equipment and a storage medium. The video processing method comprises the steps of obtaining a to-be-processed video, and dividing the to-be-processed video into a plurality of units of to-be-processed videos; obtaining a scene feature vector and an audio feature vector corresponding to each unit of to-be-processed video; determining scene pre-segmentation points according to the scene feature vectors corresponding to every two adjacent units of to-be-processed videos, and determining audio pre-segmentation points according to the audio feature vectors corresponding to every two adjacent units of to-be-processed videos; performing scene segmentation on the to-be-processed video according to the scene pre-segmentation point, and searching a video clip of which the duration exceeds a set maximum duration threshold from video clips obtained by scene segmentation to serve as a to-be-segmented video clip; and carrying out audio segmentation on the to-be-segmented video clip according to the audio pre-segmentation point to obtain a segmented video clip. According to the invention, the accuracy of splitting is improved, and the requirements of users are better met.
Owner:BEIJING QIYI CENTURY SCI & TECH CO LTD

Method for Automatically Selecting Radionavigation Beacons

The field of the invention is that of navigation systems serving aboard an aircraft, to determine the position of the aircraft on the basis of measurements of distance separating the aircraft from radionavigation beacons delivered by equipment of the DME type (Distance Measuring Equipment). It relates to a method for selecting radionavigation beacons using an onboard navigation system aboard an aircraft from a list of eligible beacons at an instant t2, a position A(t1) taken by the aircraft in a reference frame tied to the Earth at an instant t1 prior to t2 being known, a projection of the position of the aircraft onto the 2D terrestrial globe according to the vertical to the aircraft being dubbed the 2D terrestrial position of the aircraft, the eligible beacons being arranged on the terrestrial surface at known positions which are stored in a database with which the aircraft is equipped, a domain of employment of an eligible beacon Bi defining a set of 2D terrestrial positions of the aircraft corresponding to positions of the aircraft for which a measurement of distance separating the aircraft and the beacon Bi is relevant, an employment zone ZX,Y(θ, t1) of a pair of eligible beacons (BX, BY) being defined by an intersection between the employment domains of the beacons BX and BY and a geometric locus that groups together 2D terrestrial positions of the aircraft for which an angle formed by axes connecting the 2D terrestrial position of the aircraft and the positions of the beacons BX and BY is greater than a predefined value θ, the employment zone ZX,Y(θ, t1) being delimited by a boundary. According to the invention, a step for formulating a criterion for selecting a pair of beacons (BX, By) from among the beacons forming part of the list of eligible beacons, and in that the selection criterion is based on a search for a maximum duration of membership, for instants subsequent to the instant t1, for which the 2D terrestrial position of the aircraft belongs to the zones of employment of all the pairs of beacons achievable from among the eligible beacons, on the basis of a given predictive trajectory of the aircraft.
Owner:THALES SA
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