Abstract: Method for detecting marks (3) present on a paper web (1), which consists of successively producing and preferably recording light-intensity data in the form of intensity indications, using two alternate set-point values of light intensity representative of the presence of a mark or a non-mark. The method uses a process, deciding whether a certain light-intensity indication (V(new)j), shall be attributed to a mark, by selecting as a set-point value (V(old)j), one of the two alternate set points, either the nearest preceding indication (V(old)j) which has been adjudged as indicative of a non-mark and which essentially indicates light background of the paper web (1), or a preceding indication (V(old)j) which has been adjudged as indicative of a non-mark and which has been subjected to an intensity reduction of pre-determined magnitude (UP). There is also an apparatus for carrying out the method.
Abstract: A dispensing arrangement for dispensing planar lottery tickets and like articles comprises a chute which in cross-section corresponds to the surface configuration of a lottery ticket, and at one end of which there is arranged a dispensing mechanism intended for separating a lottery ticket lying nearest the mechanism through a slot-like opening. According to the invention, the dispensing mechanism includes a friction member (12) which can move in the dispening direction and which in a first position is located beneath or in the plane in which a lottery ticket located nearest the mechanism (12) is intended to lie, and which in the second position is located above this plane. In the second position of the friction member, the friction member (12) lifts the end of a lottery ticket opposite the slot-like opening, wherewith the lottery ticket is supported at three locations, namely against the friction member (12) and against two mutually spaced and mutually parallel support bars (9) or like members.
Abstract: The invention relates to a method of securing simple codes (5), which are built-up of a plurality of lines, symbols or patterns, which are readable by a machine, and which codes (5) are intended to be located on documents (2), valuable documents or marked units.The invention is characterized in that in the generating or writing-down of the codes (5) one or more of said lines, symbols or patterns constituting the code (5) each are caused to transform to a line (11) or an area, which does not constitute a part of the code (5), but constitutes a part of a pattern, in order to render a falsification by altering the code after its writing-down substantially more difficult.According to a preferred embodiment the invention further is characterized in that a so-called line code (5) is generated, and in its generation or writing-down one or several of the lines associated with the code are caused to continuously or intermittently transform to a line (11) deviating from the line associated with the code.
Abstract: The invention relates to a method of signature verification and is characterized in that an electric pulse train individual for each person in question is generated in that said person is allowed to move a so-called reading pencil over a patterned background comprising dark and light portions, and that such a pulse train generated on a certain occasion is compared by means of a computer or the like to pulse trains generated earlier by said person and stored in said computer.According to a preferred embodiment, said patterned background is a line code (1) consisting of parallel dark lines (11) separated by lighter lines or areas (10).