To provide a positioning apparatus and the like capable of preventing the depletion of a battery in a short time by selecting an operation mode of a GPS module on the basis of battery remaining quantity.
The system comprises a position-related information gaining means 50, a battery remaining quantity confirming information storing means 152, a survey mode confirming information storing means 154 for storing survey mode confirming information for confirming the survey mode against a position information satellite 12a and the like of the position-related information gaining means 50, a consumption current quantity prediction information storing means 158 for storing consumption current quantity prediction information for predicting the consumption current quantity, a future battery remaining quantity prediction information storing means 160 for storing future battery remaining prediction information for predicting future battery remaining quantity remaining in the future on the basis of the battery remaining quantity and the consumption current and a survey mode selection information storing means 162 for storing survey mode selection information for selecting specific survey mode from a plurality of kinds of survey modes on the basis of the future battery remaining quantity.
Fujitsuna Hideyoshi
Osamu Suzawa