A system, comprising: a sensor device (100, 300) comprising: a sensor configured to output a vibration datum representing a frequency spectrum by detecting a change in a state of a vibration in a first object (12, 22, 28, 30, 32, 38, 44) when a second object touches the first object (12, 22, 28, 30, 32, 38, 44); a holding section configured to hold, at a portion of the first object (12, 22, 28, 30, 32, 38, 44) which is different from a portion where the second object touches, the sensor in a state where the vibration in the first object (12, 22, 28, 30, 32, 38, 44) is transmitted; and a first communication section configured to transmit the single vibration datum detected by the sensor to an analyzing device which identifies a touch position where the second object touches the first object (12, 22, 28, 30, 32, 38, 44) by analyzing the vibration datum; said analyzing device comprising: a storage section configured to store a vibration characteristic for each position in a position group set in a portion of the first object (12, 22, 28, 30, 32, 38, 44) where the second object touches; a second communication section configured to receive a single vibration datum representing a frequency spectrum from the sensor device (100, 300); and an identification section configured to identify a touch position where the second object touches the first object (12, 22, 28, 30, 32, 38, 44) by analyzing a vibration characteristic of the vibration datum with respect to the vibration characteristic for each position of the first object (12, 22, 28, 30, 32, 38, 44) where the second object touches as one or a plurality of positions in the position group. a sensor configured to output a vibration datum representing a frequency spectrum by detecting a change in a state of a vibration in a first object (12, 22, 28, 30, 32, 38, 44) when a second object touches the first object (12, 22, 28, 30, 32, 38, 44); a holding section configured to hold, at a portion of the first object (12, 22, 28, 30, 32, 38, 44) which is different from a portion where the second object touches, the sensor in a state where the vibration in the first object (12, 22, 28, 30, 32, 38, 44) is transmitted; and a first communication section configured to transmit the single vibration datum detected by the sensor to an analyzing device which identifies a touch position where the second object touches the first object (12, 22, 28, 30, 32, 38, 44) by analyzing the vibration datum; said analyzing device comprising: a storage section configured to store a vibration characteristic for each position in a position group set in a portion of the first object (12, 22, 28, 30, 32, 38, 44) where the second object touches; a second communication section configured to receive a single vibration datum representing a frequency spectrum from the sensor device (100, 300); and an identification section configured to identify a touch position where the second object touches the first object (12, 22, 28, 30, 32, 38, 44) by analyzing a vibration characteristic of the vibration datum with respect to the vibration characteristic for each position of the first object (12, 22, 28, 30, 32, 38, 44) where the second object touches as one or a plurality of positions in the position group. a storage section configured to store a vibration characteristic for each position in a position group set in a portion of the first object (12, 22, 28, 30, 32, 38, 44) where the second object touches; a second communication section configured to receive a single vibration datum representing a frequency spectrum from the sensor device (100, 300); and an identification section configured to identify a touch position where the second object touches the first object (12, 22, 28, 30, 32, 38, 44) by analyzing a vibration characteristic of the vibration datum with respect to the vibration characteristic for each position of the first object (12, 22, 28, 30, 32, 38, 44) where the second object touches as one or a plurality of positions in the position group.