Method of controlling location monitoring and reporting

1. A method comprising:

receiving a signal from a first device that is part of a tag, the tag adapted to be affixed to a person or object, the receiving being performed by a processor within the tag;

analyzing the signal within the processor to determine whether the person or object is performing a predetermined type of behavior, the analyzing including computing a measure of how closely the received signal resembles a signal corresponding to the person or object performing the predetermined type of behavior;

adjusting a variable rate of transmitting a monitoring signal from the tag, based on a result of the analyzing, wherein the variable rate is adjusted as a monotonically increasing function of the computed measure, the adjusting being controlled by the processor; and

transmitting the monitoring signal from the tag to an external device separate from the tag at the adjusted variable rate.

2. The method of claim 1 , wherein:

the predetermined type of behavior is a predetermined type of motion;

the first device is capable of transmitting respectively different signal patterns corresponding to respectively different types of motion, and

the processor is programmed to recognize at least one predetermined signal pattern as representing a performance of the predetermined type of motion by the person or object.

3. The method of claim 1 , wherein the monitoring signal is the signal received from the first device.

4. The method of claim 1 , wherein the monitoring signal is a signal received from a second device, and wherein transmitting signals from the second device uses more power than transmitting signals from the first device.

5. The method of claim 4 , wherein the first device is an accelerometer and the second device is one is a global positioning system (GPS) receiver, a gyro or a transceiver configured to communicate with a plurality of radio frequency beacons.

6. The method of claim 4 , wherein the first device measures acceleration, and the second device senses position.

7. The method of claim 1 , wherein the predetermined behavior is one of the group consisting of walking, running, jumping, falling and driving.

8. The method of claim 1 , further comprising:

before the receiving step, sampling the signal output by the first device in a learning mode while a person or object performs the predetermined behavior before the receiving step, wherein the analyzing step includes comparing the sampled signal to the received signal.

9. A method comprising:

receiving a signal from a first device that is part of a tag, the tag adapted to be affixed to a person or object, wherein the first device is capable of transmitting respectively different signal patterns corresponding to respectively different types of motion, the receiving being performed by a processor within the tag;

analyzing the signal within the processor to determine whether the person or object is performing a predetermined type of motion, where the processor is programmed to recognize at least one predetermined signal pattern as representing a performance of the predetermined type of motion by the person or object;

adjusting a variable rate of transmitting a monitoring signal from the tag, based on a result of the analyzing, the adjusting being controlled by a processor, wherein the adjusting includes increasing the variable rate when the at least one predetermined signal pattern is recognized; and

transmitting the monitoring signal from the tag to an external device separate from the tag at the adjusted variable rate.

10. The method of claim 9 , wherein the analyzing includes computing a measure of how closely the received signal resembles a signal corresponding to the person or object performing the predetermined behavior and determining the variable rate as a monotonically increasing function of the computed measure.

11. A method comprising:

storing a representation of at least one predetermined motion pattern in a storage device within a tag;

receiving a signal from a first device that is part of the tag, the tag adapted to be affixed to a person or object, the receiving being performed by a processor within the tag, wherein the storing is performed before the receiving step,

analyzing the signal within the processor to determine whether the person or object is performing a predetermined type of behavior, wherein the analyzing step includes comparing the stored signal to the received signal;

adjusting a variable rate of transmitting a monitoring signal from the tag, based on a result of the analyzing, the adjusting being controlled by the processor; and

transmitting the monitoring signal from the tag to an external device separate from the tag at the adjusted variable rate.

12. A method comprising:

receiving a signal from a first device within a tag adapted to be affixed to a person or object, the receiving being performed by a processor within the tag;

analyzing the received signal over a period of time within the processor to determine whether a behavior of the person or object is changing substantially over the period of time;

adjusting a variable rate of transmitting a monitoring signal from the tag, based on the analyzing, the adjusting being controlled by the processor, wherein the variable rate is adjusted by an amount that increases monotonically as a function of a magnitude of the changing; and

transmitting the monitoring signal from the tag to an external device separate from the tag at the adjusted variable rate.

13. A method comprising:

selecting a condition based on a job position of a person, the condition being from the group consisting of the person performing a first predetermined behavior and the person not performing a second predetermined behavior;

after the selecting, receiving a signal from a first device within a tag adapted to be affixed to the person, the receiving being performed by a processor within or on the tag;

analyzing the signal within the processor to determine whether the condition is present;

monitoring a location of the tag if the condition is determined to be present; and

transmitting a signal representing the location from the tag to an external device separate from the tag while the condition is present.

14. The method of claim 13 , wherein:

the condition comprises the person being in a moving helicopter.

15. The method of claim 13 , wherein the condition is the person performing a predetermined one of the group consisting of walking, running, jumping, falling and driving.

16. A device comprising:

a housing adapted to be affixed to a person or object;

a first sensor in the housing capable of generating a signal indicative of a behavior of the person or object, the first sensor is capable of transmitting respectively different signal patterns corresponding to respectively different types of motion;

a second sensor capable of collecting location data;

a processor in the housing, the processor configured for receiving the first signal from the first sensor and analyzing the signal to determine whether the person or object is performing a predetermined motion, the processor capable of controlling the second sensor to collect location data according to a schedule selected by the processor based on a result of the analyzing, the processor programmed to recognize at least one predetermined signal pattern as representing a performance of the predetermined motion by the person or object, the processor programmed to adjust a variable rate of transmitting a monitoring signal from the tag, based on a result of the analyzing, wherein the adjusting includes increasing the variable rate when at least one predetermined signal pattern is recognized; and

a transmitter for transmitting a signal representing the location from the device to an external device separate from the device according to the schedule while the condition is present.