51
Karl Leuthold, Wilhelm Hell, Mumtaz Erturk: Method and apparatus for automatically monitoring the destruction of thin sheet material. GAO Gesellschaft fur Automation und Organisation mbH, Andrus Sceales Starke & Sawall, August 13, 1991: US05039020 (22 worldwide citation)

The invention relates to a method and apparatus for monitoring the destruction of thin sheet material, in particular bank notes, in an automatic sorting machine, whereby the sheet material is fed by a transport means successively sheet by sheet to a motor-driven cutting means having meshing cutter b ...


52
Gerhard Stenzel: Token such as credit or identification card and an apparatus for testing the token or card. Gao Gesellschaft fur Automation und Organisation mbH, July 2, 1985: US04527051 (21 worldwide citation)

A security document such as a credit card or the like has material adapted to be optically scanned arranged along a line in the document. A modulating structure such as a document paper thickness is disposed within the document so as to be positioned between the line and an optically scanning, light ...


53
Wittich Kaule, Gerhard Schwenk, Gerhard Stenzel: Security paper with authenticity features. GAO Gesellschaft fur Automation und Organisation mbH, Schwartz Jeffery Schwaab Mack Blumenthal & Koch, May 1, 1984: US04446204 (21 worldwide citation)

Security paper with authenticity characteristics embodied therein or printed thereon which are both ferrimagnetic and also only slightly absorbed in the infrared spectral region.


54
Bodo Albert, Klaus Vedder: Random number generator. GAO Gesellschaft fur Automation und Organisation mbH, Watson Cole Stevens Davis P L L C, May 6, 1997: US05627894 (21 worldwide citation)

A method to generate a random number from certain input wherein at least parts of the input are modified by data that are independent of the generation of the random number and of the data included in the generation of the random number and a circuit configuration having a processing unit containing ...


55
Yahya Haghiri Tehrani: Method for making IC card having severable mini chip card. GAO Gesellschaft fur Automation und Organisation mbH, Andrus Sceales Starke and Sawall, July 2, 1996: US05531145 (20 worldwide citation)

A method for producing a mini chip card out of a standard card having an embedded semiconductor chip uses a punching die with cutting edges defining the outer contour of the mini chip card. The punching die is adjusted relative to the standard card and with respect to contact surfaces of the embedde ...


56
Michael Lamla: System for testing the authenticity of a data carrier. GAO Gesellschaft fur Automation und Organisation mbH, Andrus Sceales Starke & Sawall, June 29, 1999: US05917909 (20 worldwide citation)

A system for testing the authenticity of a data carrier determines the physical property of the data carrier from an irreversibly adjustable electric state of a circuit present separately on the integrated circuit, and uses the electric property of the circuit for establishing a characteristic value ...


57
Wittich Kaule, Wilhelm Ilgmann, Gerhard Schwenk, Gerhard Stenzel: Security document having an electrically conductive security element embedded therein. GAO Gesellschaft fur Automation und Organisation mbH, Bacon & Thomas, May 12, 1992: US05112672 (20 worldwide citation)

A security document is equipped with a security element in the form of a thread or strip that is characterized by, among other things, the property of electrical conductivity. The security element is provided for this purpose with a metal coating associated with a second layer that is also electrica ...


58
Karl Leuthold, Wilhelm Mitzel, Markus Haberstroh: Stacking device for sheet material. GAO Gesellschaft fur Automation und Organisation mbH, Andrus Sceales Starke & Sawall, August 21, 1984: US04466605 (20 worldwide citation)

A stacking device for sheet material such as banknotes and receipts has a stacker drum with a suction opening at a predetermined location on the periphery. The suction opening grips the leading edges of the sheets to be stacked at a first tangential position and releases the sheets against a stopper ...


59
Wilhelm Mitzel: Separating unit for flat sheet material. GAO Gesellschaft fur Automation und Organisation mbH, Andrus Sceales Starke & Sawall, May 26, 1981: US04269405 (20 worldwide citation)

A separating unit for flat sheet material has a rotating separating drum with suction openings on its outer face. The material to be separated is run tangentially between the separating drum and a suction drum. The separating drum has suction holes ahead of the suction openings that initiate the eva ...


60
Hans Muller, Stefan May: Method of screening half-tone picture themes. GAO Gesellschaft fur Automation und Organisation mbH, Stevens Davis Miller & Mosher, December 10, 1985: US04557596 (19 worldwide citation)

A method of screening half-tone picture themes, in which the gray tones of the half-tone picture theme are reproduced by changes in the structural width of a basic screen structure having any desired form. The assignment of a gray tone area of the half-tone picture theme to the screen structure widt ...