Activity monitoring
First Claim
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1. An activity monitor comprising:
- a measurement unit including a plurality of motion sensors, operable to produce respective sensor signals indicative of motion experienced thereby; and
a processor connected to the measurement unit by a single output channel, the processor being configured to receive on the single output channel of the measurement unit the sensor signals from the measurement unit and operable to process the signals;
wherein the measurement unit is configured to operate the single output channel discontinuously in time during output of each motion sensor output signal.
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Abstract
An activity monitor is provided that can be cheaper and require lower power than existing activity monitors. A single output channel from a plurality of motion sensors is provided and monitored intermittently.
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Citations
15 Claims
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1. An activity monitor comprising:
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a measurement unit including a plurality of motion sensors, operable to produce respective sensor signals indicative of motion experienced thereby; and a processor connected to the measurement unit by a single output channel, the processor being configured to receive on the single output channel of the measurement unit the sensor signals from the measurement unit and operable to process the signals; wherein the measurement unit is configured to operate the single output channel discontinuously in time during output of each motion sensor output signal. - View Dependent Claims (2, 3, 4)
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5. A method of monitoring activity using a plurality of motion sensors which are operable to produce respective sensor signals on a single channel for output to a processor, the sensor signals being indicative of motion experienced thereby, the method comprising the acts of:
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operating the single channel discontinuously in time to produce the respective sensor signals discontinuously in time; monitoring the sensor signals provided on the single channel discontinuously in time; and processing the sensor signals. - View Dependent Claims (6, 7, 8)
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9. An activity monitor comprising:
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a measurement unit including a plurality of motion sensors, operable to produce respective sensor signals indicative of motion experienced thereby; and a processor connected to the measurement unit by a single output channel, the processor being configured to receive the sensor signals from the measurement unit on the single output channel and to process the sensor signals in accordance with a predetermined method, wherein the processor is further configured to sample the single output channel of the measurement unit discontinuously in time, and wherein the measurement unit is configured to operate the single output channel discontinuously in time during output of each motion sensor output signal. - View Dependent Claims (10, 11, 12)
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13. A method of monitoring activity using a plurality of motion sensors which are operable to produce respective sensor signals on a single channel for output to a processor, the sensor signals being indicative of motion experienced thereby, the method comprising the acts of:
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operating the single channel discontinuously in time to produce the respective sensor signals discontinuously in time; intermittently monitoring the sensor signals; and processing the sensor signals. - View Dependent Claims (14)
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15. An activity monitor comprising:
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a measurement unit having a plurality of motion sensors that produce sensor signals indicative of motion; and a processor configured to intermittently monitor the sensor signals; wherein the measurement unit is connected to the processor by a single output channel, the sensor signals being provided to the processor on the single output channel and the measurement unit being configured to operate the single output channel discontinuously in time.
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Specification