Adjustable dumbbell system having a weight sensor
First Claim
Patent Images
1. An adjustable dumbbell system, comprising:
- a handle assembly;
at least one weight selectively fixedly connectable to the handle assembly;
at least one sensor positioned on the handle assembly, the at least one sensor configured to detect a handle assembly attribute indicative of whether the at least one weight is fixedly connected to the handle assembly; and
a computing device in communication with the at least one sensor and configured to receive information regarding the handle assembly attribute from the at least one sensor, wherein;
the at least one weight comprises a plurality of weights and the handle assembly includes a disc that is rotatable into a set of discrete rotational positions, each rotational position corresponding to a different combination of the plurality of weights fixedly connected to the handle assembly;
the at least one sensor is configured to detect the rotational position of the disc, and the computing device is configured to determine which of the plurality of weights are fixedly connected to the handle assembly based on the rotational position detected by the at least one sensor; and
the at least one sensor includes at least one of the following;
an optical sensor, a reflective sensor, a mechanical sensor, an inductive sensor, a capacitive sensor, a potentiometer, an accelerometer, or a magnetometer.
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Abstract
An adjustable dumbbell system may include a handle assembly, at least one weight, at least one sensor, and a computing device. The at least one weight may be selectively fixedly connectable to the handle assembly. The least one sensor may be positioned on the handle assembly. The at least one sensor may be configured to detect a handle assembly attribute indicative of whether the at least one weight is fixedly connected to the handle assembly. The computing device may be in communication with the at least one sensor and may be configured to receive information regarding the handle assembly attribute from the at least one sensor.
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Citations
25 Claims
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1. An adjustable dumbbell system, comprising:
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a handle assembly; at least one weight selectively fixedly connectable to the handle assembly; at least one sensor positioned on the handle assembly, the at least one sensor configured to detect a handle assembly attribute indicative of whether the at least one weight is fixedly connected to the handle assembly; and a computing device in communication with the at least one sensor and configured to receive information regarding the handle assembly attribute from the at least one sensor, wherein; the at least one weight comprises a plurality of weights and the handle assembly includes a disc that is rotatable into a set of discrete rotational positions, each rotational position corresponding to a different combination of the plurality of weights fixedly connected to the handle assembly; the at least one sensor is configured to detect the rotational position of the disc, and the computing device is configured to determine which of the plurality of weights are fixedly connected to the handle assembly based on the rotational position detected by the at least one sensor; and the at least one sensor includes at least one of the following;
an optical sensor, a reflective sensor, a mechanical sensor, an inductive sensor, a capacitive sensor, a potentiometer, an accelerometer, or a magnetometer. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A sensing mechanism for an adjustable dumbbell system, comprising:
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at least one sensor connected to a handle assembly of an adjustable dumbbell so as to remain in a fixed position relative to a rotation of an indicator member of the handle assembly, the at least one sensor configured to detect the rotational position of the indicator member; a computing device configured to determine which of a plurality of weights is engaged by the handle assembly based on the rotational position detected by the at least one sensor; a rotational position encoding feature arranged on the indicator member so as to encode each of a plurality of indicator member sectors with a unique binary number, each sector corresponding to one of a plurality of discrete rotational positions of the indicator member and each rotational position corresponding to selection of a different combination of weights; and the at least one sensor comprising a plurality of sensors configured to cooperate with the rotational position encoding feature to detect a different one of the unique binary numbers when the indicator member is in each of the discrete rotational positions, the plurality of sensors including at least one of the following;
an optical sensor, a reflective sensor, a mechanical sensor, an inductive sensor, a capacitive sensor, a potentiometer, an accelerometer, or a magnetometer;wherein the computing device is configured to determine which of the plurality of weights are fixedly connected to the handle assembly based on the unique binary number detected by the plurality of sensors. - View Dependent Claims (16, 17, 18, 22)
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19. A sensing mechanism for an adjustable dumbbell system, comprising:
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at least one sensor connected to a handle assembly of an adjustable dumbbell so as to remain in a fixed position relative to a rotation of a disc of the handle assembly, the at least one sensor configured to detect the rotational position of the disc; a computing device configured to determine which of at least one weight is engaged by the handle assembly based on the rotational position detected by the at least one sensor, wherein; the disc includes a contoured perimeter such that points along at least a portion of the perimeter are disposed at a different distance from a center of the disc; and the at least one sensor includes a potentiometer operatively associated with the contoured perimeter to detect the rotational position of the disc. - View Dependent Claims (23)
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20. A sensing mechanism for an adjustable dumbbell system, comprising:
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at least one sensor connected to a handle assembly of an adjustable dumbbell so as to remain in a fixed position relative to a rotation of a disc of the handle assembly, the at least one sensor configured to detect the rotational position of the disc; a computing device configured to determine which of at least one weight is engaged by the handle assembly based on the rotational position detected by the at least one sensor, wherein; the disc includes a concentric ring of material positioned on a surface of the disc, the material including an electrical property that has a different magnitude at each angular position along the ring; the at least one sensor includes an electrical sensing portion adjacent to the ring of material, the electrical sensing portion configured to detect the magnitude of the electrical property of the ring of material as the disc rotates; and the sensor detects the rotational position of the disc based on the detected magnitude of the electrical property. - View Dependent Claims (24)
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21. A sensing mechanism for an adjustable dumbbell system, comprising:
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at least one sensor connected to a handle assembly of an adjustable dumbbell so as to remain in a fixed position relative to a rotation of a disc of the handle assembly, the at least one sensor configured to detect the rotational position of the disc; a computing device configured to determine which of at least one weight is engaged by the handle assembly based on the rotational position detected by the at least one sensor; a magnet joined to the handle assembly, the magnet configured to change the direction of the magnetic field as the disc rotates; the at least one sensor includes a magnetic sensing portion adjacent to the magnet, the magnetic sensing portion configured to detect the direction of the magnetic field of the magnet; and the sensor detects the rotational position of the disc based on the detected direction of the magnetic field of the magnet. - View Dependent Claims (25)
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Specification