Next time you stay at a Sofitel, a Novotel or, if your company is really suffering in the recession, a Formule 1 in France, take a look around at the staff.
Basing upon the plank radiation law and the theory of optical design, the calculation formule of optical system about the remote infrared measuring thermometer.
The ordinary style of the curve projection equation and the formule of some kinds of the curve projection as well as the examples for its application are given.