Bend angle sensing systems and related methods
AssigneeIntel Corporation
InventorsNada Sekeljic, Suraj Sindia, Zhen Yao
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Abstract
Systems and methods for sensing angular displacement between body segments of users include disposing an electromagnetic transmitting sensor about a first body segment and an electromagnetic receiving sensor about a second body segment. Data related to the magnetic field coupling between the transmitting and receiving sensors can be captured for determining the angular displacement between the first and second body segments.
Claims28
A system for sensing bending angles between body segments comprising:
- an electromagnetic transmitting sensor configured to be disposed about a first body segment;
- an electromagnetic receiving sensor configured to be disposed about a second body segment;
- and
- a first processing unit configured to capture data related to a magnetic field coupling between the electromagnetic transmitting sensor and the electromagnetic receiving sensor.
A method for sensing bending angles between body segments comprising:
- disposing an electromagnetic transmitting sensor about a first body segment;
- disposing an electromagnetic receiving sensor about a second body segment;
- and
- capturing data related to a magnetic field coupling between the electromagnetic transmitting sensor and the electromagnetic receiving sensor.
A real-time system for sensing bending angles between body segments comprising:
- a transmitting sensor including,
- a first set of one or more coils disposed about a first body segment;
- and
- a current source to drive a current having a predetermined frequency and predetermined peak-to-peak amplitude through the first set of one or more coils to radiate an electromagnetic field;
- and
- a receiving sensor including,
- a second set of one or more coils disposed about a second body segment;
- and
- a voltage detector to determine an open circuit voltage induced in the second set of one or more coils by the electromagnetic field radiated from the first set of one or more coils.
A real-time system for sensing bending angles between body segments comprising:
- a transmitting sensor including,
- a first set of one or more coils disposed about a first body segment;
- and
- a current source to drive a current having a predetermined frequency and predetermined peak-to-peak amplitude through the first set of one or more coils to radiate an electromagnetic field;
- and
- a receiving sensor including,
- a second set of one or more coils disposed about a second body segment;
- and
- a current detector to determine a current induced in the second set of one or more coils by the electromagnetic field radiated from the first set of one or more coils.
Dependencies are inferred from the claim text.