41
Renee Lucia Barak, Yahya Haghiri Tehrani, Helmut Baader: Method and apparatus for producing a plastic molded chip card having reduced wall thickness. GAO Gesellschaft fur Automation und Organisation mbH, Bacon & Thomas, October 28, 1997: US05681356 (29 worldwide citation)

An apparatus and method for producing plastic chip cards and chip card blanks with a wall thickness considerably reduced in certain areas involves first injecting the plastic material into an initial mold space that has no reductions in wall thickness as yet. The distance between certain wall areas ...


42
Thomas Maurer, Erwin Lob, Peter Schweiger: Method of producing identification cards and a device for carrying out same. GAO Gesellschaft fur Automation und Organisation mbH, Andrus Sceales Starke & Sawall, August 21, 1984: US04467209 (28 worldwide citation)

A method of personalizing identification cards having erasable and/or overwritable and non-overwritable data. The neutral identification cards, before being written on, are first fed from an input stack to a unit in which the overwritable storage medium, e.g. a magnetic stripe, is written on with th ...


43
Christoph Heckenkamp, Gerhard Stenzel, Wittich Kaule: Document with an unforgeable surface. GAO Gesellschaft fur Automation und Organisation mbH, Bacon & Thomas, January 29, 1991: US04988126 (27 worldwide citation)

Documents and data, patterns, etc., applied thereto, which are present in the form of a surface relief, in particular in the form of embossed characters, are provided partially in the area of this surface relief with luminescent substance which is testable visibly and by machine. The luminescent sub ...


44
Thomas Maurer, Ludwig Devrient: Method of producing an identification card. GAO Gesellschaft fur Automation und Organisation mbH, Bacon & Thomas, June 16, 1987: US04672891 (27 worldwide citation)

Data present on identification cards in a high-embossed form are protected against attempted forgery and falsification. This protection consists in providing on the identification card, along with the data record in a high-embossed form, a second identical data record which may be visually tested wi ...


45
Thomas Maurer: Method of producing an identification card. GAO Gesellschaft fur Automation und Organisation mbH, Bacon & Thomas, May 31, 1988: US04748452 (27 worldwide citation)

An identification card with high-embossed data, in which the high-embossed data are superimposed by a security pattern which is inscribed in the identification card by means of a laser beam recorder. The security pattern may be present, for example, only on the high-embossed data themselves or else ...


46
Wittich Kaule, Michael Bohm: Security document having a security element embedded therein with visually and machine-testable marks. GAO Gesellschaft fur Automation und Organisation mbH, Bacon & Thomas, January 5, 1993: US05176405 (25 worldwide citation)

In a security document having an embedded security element in the form of a transparent thread with electrically conductive material in at least two layers, at least one layer is transparent or partly transparent at least in certain areas. The partly transparent layer interacts with marks located on ...


47
Yahya Haghiri Tehrani, Joachim Hoppe: Carrier element for an IC-chip. GAO Gesellschaft fur Automation und Organisation mbH, Andrus Sceales Starke & Sawall, October 2, 1984: US04474292 (24 worldwide citation)

A carrier element suitable for production in large numbers, e.g. for incorporation in identification cards, having an integrated circuit and the connection leads and contacts necessary for the operation of the circuit. The carrier consists of a single or multilayer insulating material, e.g. a film, ...


48
Joseph Lass, Hansjurgen Merkle, Alexander Hierweger, Erwin Lob: Method of making a multilayer identification card usable as a printing block. GAO Gesellschaft fur Automation und Organisation mbH, Bacon & Thomas, June 16, 1992: US05122813 (23 worldwide citation)

An identity card is provided with a character set usable as a printing block, whereby the "natural foamability" that laser action brings about in the plastic materials commonly used for identity cards, such as PVC and polycarbonate, is exploited to obtain a relief height sufficient for a clear impre ...


49
Wittich Kaule, Wilhelm Ilgmann, Gerhard Schwenk, Gerhard Stenzel: Security element in the form of threads or strips to be embedded in security documents and a method for producing and testing the same. GAO Gesellschaft fur Automation und Organisation mbH, Bacon & Thomas, April 23, 1996: US05509691 (22 worldwide citation)

A security element that can be embedded in the form of a thread or strip in a security document, in particular a paper of value, is composed of two carrier sheets, each of which bears each of the marking substances allowing for detection of authenticity. The two carrier sheets are put together in su ...


50
Otto Bernecker: Recording medium with colored picture information, in particular a check card or identity card. GAO Gesellschaft fur Automation und Organisation mbH, Bacon & Thomas, July 25, 1995: US05435599 (22 worldwide citation)

A recording medium is provided with picture information in a tamper-resistant and high-resolution form. The picture information is broken down into a light/dark portion and a color portion. The light/dark portion needed for the visual impression is incorporated in the recording medium in a high-reso ...