Abstract: A method for changing a personal profile or context during a transaction, is described. In one embodiment, the method is to be implemented on a system. In one embodiment the method comprises receiving travel selections for a first leg of an itinerary; receiving an assignment of the travel selections for the first leg to a first profile; receiving travel selections for a second leg of the itinerary; receiving an assignment of the travel selections for the second leg to a second profile; and billing for the first and second legs of the itinerary as a single multi-leg travel itinerary, and billing the first leg of the itinerary to the first profile and billing the second leg of the itinerary to the second profile.

Abstract: A data structure is disclosed encoded on the surface of an object comprising a series of block data regions with each of the block data regions including: an encoded data region containing data to be decoded in an encoded form; a series of clock marks structures located around a first peripheral portion of the encoded data region; and a series of easily identifiable target structures located around a second peripheral portion of the encoded data region. The block data regions can further include an orientation data structure located round a third peripheral portion of the encoded data region. The orientation data structure can comprises a line of equal data points along an edge of the peripheral portion. The clock marks structures can include a first line of equal data points in addition to a substantially adjacent second line of alternating data points located along an edge of the encoded data region. The clock mark structures can be located on mutually opposite sides of the encoded data region.

Abstract: The invention relates to an optoelectronic sensor, in particular a bar code reader, with an optical receiving system positioned in front of a light receiver for the deflection of a light beam reflected from an object, in particular a bar code, onto the light receiver. Through the provision of aperture diaphragms, or a plurality of light receivers, or regions with different image forming characteristics in the optical receiving system, a situation is achieved in which the receiving characteristics of the overall system, which result by reason of the shape of the sensing laser beam, as a result of the characteristics of the electronic evaluation system and as a result of different light intensities of the light returned, for example from a bar code, are optimized for different sensing distances.