Anti-miss alarm system, method, and shoe supporting anti-miss alarm using wireless personal area network
First Claim
1. An anti-miss alarm method comprising:
- receiving a radio signal emitted from a portable article having an interface for a wireless personal area network;
extracting channel status information from the radio signal;
calculating a relative distance from the portable article based on the channel status information; and
outputting alarm signals in a stepwise manner according to the relative distance.
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Accused Products
Abstract
An anti-miss alarm system, method, and a shoe supporting the anti-miss alarm is provided. The anti-miss alarm method receives a radio signal emitted from a portable article having an interface for a wireless personal area network (WPAN), extracts channel status information from the radio signal, calculates a relative distance from the portable article based on the channel status information, and outputs alarm signals in a stepwise manner according to the relative distance. A mobile terminal includes an interface of a WPAN, a control unit, and an output unit. The interface receives radio signals emitted from a portable article having a similar interface. The control unit extracts channel status information from the radio signals and estimates a relative distance from the portable article based on the channel status information. The output unit controllably outputs alarm signals in a stepwise manner according to the relative distance. The shoe is similar
18 Citations
27 Claims
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1. An anti-miss alarm method comprising:
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receiving a radio signal emitted from a portable article having an interface for a wireless personal area network;
extracting channel status information from the radio signal;
calculating a relative distance from the portable article based on the channel status information; and
outputting alarm signals in a stepwise manner according to the relative distance. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A mobile terminal comprising:
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an interface of a wireless personal area network, which receives radio signals emitted from a portable article having a similar interface;
a control unit which extracts channel status information from the radio signals and estimates a relative distance from the portable article based on the channel status information; and
an output unit which outputs alarm signals in stepwise manner according to the relative distance under control of the control unit. - View Dependent Claims (14, 15, 16, 17, 18, 19, 20, 21, 22, 23)
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24. A shoe comprising:
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a wireless interface for communicating with a mobile phone through a wireless personal area network;
a sensor which detects variation of posture in the shoe; and
a control unit which extracts displacement information from the variation of the posture detected by the sensor and controls the wireless interface to transmit a radio signal containing the displacement information to the mobile phone. - View Dependent Claims (25, 26, 27)
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Specification