Force sensing compliant enclosure
First Claim
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1. An electronic device, comprising:
- a housing, comprising;
an internal wall surface forming a part of an interior perimeter of the housing;
at least one strain concentration portion located on the internal wall surface wherein;
the at least one strain concentration portion experiences a strain caused by application of a force that deforms the internal wall surface;
the strain experienced by the at least one strain concentration portion is greater than strain experienced by other portions of the internal wall surface; and
the at least one strain concentration portion includes an indentation defined by the internal wall surface wherein the indentation is thinnest at a middle of the indentation; and
at least one sensor positioned at the at least one strain concentration portion that senses the strain caused by the application of the force that deforms the internal wall surface.
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Abstract
A force sensing compliant enclosure for an electronic device may include at least one deformable housing wall. At least one strain concentration portion may be located on the deformable housing wall where strain caused by application of a force that deforms the deformable housing wall is greater than at other portions of the deformable housing wall. The strain concentrating portion may have a second thickness that is thinner than other portions of the deformable housing wall. One or more sensors may be positioned in the strain concentration portion and may sense strain caused by the application of the force that deforms the deformable housing wall.
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Citations
20 Claims
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1. An electronic device, comprising:
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a housing, comprising; an internal wall surface forming a part of an interior perimeter of the housing; at least one strain concentration portion located on the internal wall surface wherein; the at least one strain concentration portion experiences a strain caused by application of a force that deforms the internal wall surface; the strain experienced by the at least one strain concentration portion is greater than strain experienced by other portions of the internal wall surface; and the at least one strain concentration portion includes an indentation defined by the internal wall surface wherein the indentation is thinnest at a middle of the indentation; and at least one sensor positioned at the at least one strain concentration portion that senses the strain caused by the application of the force that deforms the internal wall surface. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18)
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19. A housing for an electronic device, comprising:
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an internal wall surface that forms a part of an interior perimeter of the housing; at least one strain concentration portion located on the internal wall surface comprising a groove that is thinnest at a middle of the groove;
wherein;the at least one strain concentration portion experiences a strain caused by application of a force that deforms the internal wall surface; the strain experienced by the at least one strain concentration portion is greater than strain experienced by other portions of the internal wall surface; and the portion of the internal wall surface where the at least one strain concentration portion is located is made of a different material having a different rigidity than a material forming other portions of the internal wall surface; and at least one sensor positioned at the at least one strain concentration portion that senses the strain caused by the application of the force that deforms the internal wall surface.
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20. A portable electronic device, comprising:
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a housing having an internal wall surface that forms a part of an interior perimeter of the housing; a strain concentration portion defined as a notch in the internal wall surface wherein the notch is thinnest at a middle of the notch; a force sensor positioned at the middle of the notch; and a processor configured to receive an indication of a force that deforms the housing from the force sensor.
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Specification