| 摘要 |
A method for controlling av heating procedure in an oven by using an optically readable information carrier with or on lthe heating object. The oven may be prodided with an optical reading device for touchless reading of the information carrier before and/or during the reading. By providing the information carrier with one or more fieds that exhibit color shift at temperatures at will, a feed-back control of the procedure is made possible with simple technical solutions. |
