| 摘要 |
PROBLEM TO BE SOLVED: To provide a transmitter capable of correctly locating a user regardless of a positional relationship between a user wearing a communication device configured to use a radio signal and another device.SOLUTION: A receiver 10 includes; a reception unit 11 configured to receive a radio signal transmitted from a transmitter worn by a user; a determination unit 13 that determines whether or not the received radio signal has transmitted through the user's body based on information on orientation of the user carried by the radio signal; a distance determination unit 14 that determines distance to the user based on a determination result of the determination unit 13 and signal intensity of the radio signal; and a position correction unit 15 that corrects user position information carried by the radio signal using the distance determined by the distance determination unit 14.SELECTED DRAWING: Figure 3 |
