| 摘要 |
A method, apparatus and system for monitoring status information associated with a mobile entity, such as a person, another type of living thing or a device that generates a characteristic entity signal. The presence of a physical attachment between an attachment location reporting device and a mobile entity is verified via detection of the entity signal by the attachment monitoring device. Optionally, the attachment monitoring device can transmit a signal that reports the status of the attachment and can also function as, or be attached to, or be located within a range of proximity to, a location reporting device. Hence, the attachment monitoring device can report upon the status of the proximity of a location reporting device with respect to the location of the mobile entity.
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