Abstract: The invention relates to a method and a system for automatic determination of colors, which can in particular be applied in online commerce. The invention makes it possible for a provider, for example, to indicate the correct color of merchandise, so that a customer can knowingly find, order and acquire the merchandise. To this end, it is proposed that the color to be determined is recorded together with at least one reference color. The recorded data is read. The recorded data of at least a portion of the reference color is compared with stored comparison values of the reference colors. The color to be determined is automatically determined by evaluating at least a portion of the recorded data of the color to be recorded and of at least a portion of the difference values determined in the comparison between read-in data and stored comparison values.

Abstract: Apparatus and a method of controlling operation of a wide variety of appliances so the appliance can only be used by an authorized individual, and then only under certain specified conditions. The apparatus and method provide safe use of the appliance since presumably the person authorized to use the appliance is trained in its use, and where circumstances warrant, knows how to use the appliance safely. It is a particular advantage of the invention to prevent unsafe use of the appliance, even by an authorized user.