A low-power quadrature generator is provided for accurately generating in-phase signals and quadrature signals. The component identifying apparatus includes a holding mechanism that holds the electronic component, a color-perceptive sensor that perceives a color of a predetermined region on the electronic component, and a data processor that identifies the electronic component on the basis of the color perceived by the color-perceptive sensor. individual relationship information database device storing information of personal mileage identification numbers of employees of corporations registered for a corporate mileage service.