Determination of finger position
First Claim
1. A system, comprising:
- a mount configured to be coupled to an appendage;
a position sensor including a position sensing element coupled to the mount, the position sensor configured to send a signal associated with a spatial position of the position sensing element with respect to a predetermined reference point; and
a data processor configured to generate an output signal associated with the spatial position of the position sensing element based on the signal, said data processor configured to determine a spatial position of the mount, the spatial position of the mount indicative of a distance and a direction from the predetermined reference point.
2 Assignments
0 Petitions
Accused Products
Abstract
A prescription is provided which specifies constraints, e.g., the type (revolute and/or prismatic) and the number of joints which may be included between any two position-sensing elements (PSEs), where the joints connect the links of a kinematically constrained multi-articulated structure, whereby the defining parameters of the structure may be determined using the spatial placement of the two PSEs and the kinematic constraints of the multi-articulated structure, and where at least the spatial placement of one link is not directly measured. Also provided are preferred placements of PSEs and goniometers on a kinematically constrained multi-articulated structure which will allow determination of the spatial placement of the links, where at least the spatial placement of one link is not directly measured. Revolute joint models of the articulations of the entire human body, as well as preferred PSE and goniometer locations, are provided. An algorithm is provided for determining the joint angles for a finger modeled as a 4-link planar manipulator with one PSE affixed to the fingertip and one PSE affixed to the metacarpus.
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Citations
14 Claims
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1. A system, comprising:
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a mount configured to be coupled to an appendage;
a position sensor including a position sensing element coupled to the mount, the position sensor configured to send a signal associated with a spatial position of the position sensing element with respect to a predetermined reference point; and
a data processor configured to generate an output signal associated with the spatial position of the position sensing element based on the signal, said data processor configured to determine a spatial position of the mount, the spatial position of the mount indicative of a distance and a direction from the predetermined reference point. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A method, comprising:
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generating a signal associated with a spatial position of a position sensing element with respect to a predetermined reference point, the position sensing element being coupled to a position sensor, the position sensor being coupled to a mount configured to be worn on an appendage;
transmitting the signal to a data processor;
generating an output signal associated with the spatial position of the position sensing element based on the transmitted signal; and
calculating a spatial position of the mount based on the output signal, the spatial position of the mount indicative of a distance and a direction from the predetermined reference point.
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14. Processor executable code stored on a processor-readable medium, the code comprising:
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code to generate a signal associated with a spatial position of a position sensing element with respect to a predetermined reference point, the position sensing element being coupled to a position sensor, the position sensor being coupled to a mount configured to be worn on an appendage;
code to transmit the signal to a data processor;
code to generate an output signal associated with the spatial position of the position sensing element based on the transmitted signal; and
code to calculate a spatial position of the mount based on the output signal, the spatial position of the mount indicative of a distance and direction from the predetermined reference point.
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Specification