Bicycle power sensing apparatus
First Claim
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1. A bicycle power sensing apparatus comprising:
- a power sensing device;
a calibration signal generating device; and
a controller operatively arranged to receive a calibration signal from the calibration signal generating device, the controller calibrating the power sensing device as being at a non-load level of zero power input upon receiving the calibration signal.
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Abstract
A bicycle power sensing apparatus is basically provided with a power sensing device, a calibration signal generating device and a controller. The controller is operatively arranged to receive a calibration signal from the calibration signal generating device. The controller calibrates the power sensing device upon receiving the calibration signal.
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Citations
19 Claims
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1. A bicycle power sensing apparatus comprising:
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a power sensing device; a calibration signal generating device; and a controller operatively arranged to receive a calibration signal from the calibration signal generating device, the controller calibrating the power sensing device as being at a non-load level of zero power input upon receiving the calibration signal. - View Dependent Claims (2, 3, 4, 5, 7, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18)
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6. A bicycle power sensing apparatus comprising:
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a power sensing device; a calibration signal generating device; a controller operatively arranged to receive a calibration signal from the calibration signal generating device, the controller calibrating the power sensing device as being at a non-load level of zero power input upon receiving the calibration signal; a rotation detecting device arranged to detect a rotational status between the driven member and the drive member; a stationary member; a drive member rotatably mounted relative to the stationary member; a driven member rotatably mounted relative to the stationary member; and a torque coupling member operatively arranged between the drive member and the driven member to selectively transmit torque from the drive member to the driven member, the power sensing device being arranged to detect a power transmitted to the driven member from the drive member, the controller being operatively arranged to receive a rotational movement signal from the rotation detecting device and to receive an output signal from the power sensing device, the controller calibrating the power sensing device in response to the rotation detecting device detecting relative rotation between the drive member and the driven member.
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8. A bicycle power sensing apparatus comprising:
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a power sensing device; a calibration signal generating device; a controller operatively arranged to receive a calibration signal from the calibration signal generating device, the controller calibrating the power sensing device as being at a non-load level of zero power input upon receiving the calibration signal; a rotation detecting device arranged to detect a rotational status between the driven member and the drive member; a stationary member; a drive member rotatably mounted relative to the stationary member; a driven member rotatably mounted relative to the stationary member; and a torque coupling member operatively arranged between the drive member and the driven member to selectively transmit torque from the drive member to the driven member, the power sensing device being arranged to detect a power transmitted to the driven member from the drive member, the controller records a signal level of an output signal from the power sensing device as the non-load level in response to the rotation detecting device detecting relative rotation between the drive member and the driven member.
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19. A bicycle power sensing apparatus comprising:
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a power sensing device; a calibration signal generating device; a controller operatively arranged to receive a calibration signal from the calibration signal generating device, the controller calibrating the power sensing device as being at a non-load level of zero power input upon receiving the calibration signal; a rotation detecting device arranged to detect a rotational status between the driven member and the drive member; a stationary member; a drive member rotatably mounted relative to the stationary member; a driven member rotatably mounted relative to the stationary member; and a torque coupling member operatively arranged between the drive member and the driven member to selectively transmit torque from the drive member to the driven member, the power sensing device being arranged to detect a power transmitted to the driven member from the drive member, the controller being operatively arranged to receive a rotational movement signal from the rotation detecting device and to receive an output signal from the power sensing device, the controller refraining from calibrating the power sensing device in response to the rotation detecting device detecting no relative rotation between the drive member and the driven member.
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Specification