Child proximity monitor and alarm
First Claim
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1. A child proximity sensor and alarm system comprising:
- a monitoring unit comprising;
means for transmitting a monitoring signal;
means for selectively altering a distance over which the monitoring signal is transmitted by the transmitting means;
means for receiving a response signal;
an alarm that is activated when the response signal receiving means does not receive the response signal; and
means for emitting a deactivation signal; and
an article adapted to be worn by a child, the article comprising;
means for receiving the monitoring signal from the monitoring unit;
means for transmitting the response signal to the monitoring unit, transmission of the response signal by the response signal transmitting means being dependent on whether the monitoring signal is detected by the monitoring signal receiving means;
an alarm that sounds when the monitoring signal receiving means does not receive the monitoring signal;
means for receiving the deactivation signal from the monitoring unit; and
means for deactivating the alarm of the article when the deactivation signal receiving means receives the deactivation signal from the monitoring unit.
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Abstract
A child monitoring system that includes a first unit (10) that is worn or is otherwise attached to a child, and a monitoring unit (12) intended to be possessed by a parent or guardian responsible for the child. The monitoring system serves to monitor the proximity of the child to the monitoring unit (12), and provides for alarms (22, 40, 42) at the child'"'"'s and monitoring units (10, 12) that warn the guardian and those near the child that the child has moved beyond a preset distance from the monitoring unit (12).
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Citations
9 Claims
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1. A child proximity sensor and alarm system comprising:
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a monitoring unit comprising; means for transmitting a monitoring signal; means for selectively altering a distance over which the monitoring signal is transmitted by the transmitting means; means for receiving a response signal; an alarm that is activated when the response signal receiving means does not receive the response signal; and means for emitting a deactivation signal; and an article adapted to be worn by a child, the article comprising; means for receiving the monitoring signal from the monitoring unit; means for transmitting the response signal to the monitoring unit, transmission of the response signal by the response signal transmitting means being dependent on whether the monitoring signal is detected by the monitoring signal receiving means; an alarm that sounds when the monitoring signal receiving means does not receive the monitoring signal; means for receiving the deactivation signal from the monitoring unit; and means for deactivating the alarm of the article when the deactivation signal receiving means receives the deactivation signal from the monitoring unit. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A child proximity sensor and alarm system comprising:
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a monitoring unit comprising; means for transmitting a monitoring signal; means for selectively altering a distance over which the monitoring signal is transmitted by the transmitting means; means for receiving a response signal; an audible alarm and a visual alarm that are activated when the response signal receiving means does not receive the response signal; a key; and means for emitting a deactivation signal; and a bracelet adapted to be worn by a child, the bracelet comprising; means for receiving the monitoring signal from the monitoring unit; means for transmitting the response signal to the monitoring unit, the response signal transmitting means transmitting the response signal only when the monitoring signal is detected by the monitoring signal receiving means; an alarm that sounds when the monitoring signal receiving means does not receive the monitoring signal; means for receiving the deactivation signal from the monitoring unit; means for receiving the key to remove the article from the child; and means for deactivating the alarm of the article after the key has been inserted into the key receiving means and when the deactivation signal receiving means receives the deactivation signal from the monitoring unit.
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Specification