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Lentz Joseph Paul, Cushman Thomas Richard, Kline Patrick Joseph: A storage media for an optical information system having an identification code embedded therein.. Eastman Kodak Co, June 30, 1993: EP0549488-A1 (115 worldwide citation)

A optical storage disc for use in an optical storage system includes a storage layer which is capable of being disrupted when a laser beam of sufficient intensity is focused thereon. The optical storage disc has a transparent substrate layer on one side of the storage layer and a lacquer layer on th ...


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Berthon Jones Michael, Lynch Christopher Edward, Calluaud Michel, Sullivan Colin Edward: Ventilator for continuous positive airway pressure breathing (cpap).. Rescare, June 30, 1993: EP0549299-A2 (106 worldwide citation)

The present invention discloses both a method of operating CPAP apparatus, and the apparatus itself in which a breathable gas delivery device, or mask (1), is connected to a gas supply pump (14) via a conduit which includes a restriction to gas flow such as a small bore portion (3). A pressure trans ...


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Piloni Marco, Brambilla Massimo: Radiofrequency frequency multiplier comprising an automatic level control cicuit.. Sits Soc It Telecom Siemens, June 30, 1993: EP0548542-A1 (105 worldwide citation)

Radiofrequency frequency multiplier comprising an automatic level control circuit consisting of a microwave MESFET (TI) used as an oscillator signal distorter amplifier followed by a band-pass filter (FPB) tuned to the desired harmonic. The power of the harmonic is stabilized by means of a control c ...


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Garney John I: Device driver configuration in a computer system. Intel, June 30, 1993: GB2262825-A (94 worldwide citation)

A computer system for dynamically configuring device drivers of removable system resources. The computer system comprises a processor 101, a system memory 103, 102 and an interface 108 for receiving removable system resources such as feature cards. Each feature card includes a card memory area compr ...


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Ezra David, Andreassen Jon, Holmes Brian William, Drinkwater Kenneth John: Security device.. De La Rue Holographics, June 30, 1993: EP0548142-A1 (85 worldwide citation)

A security device comprises first and second diffractive structures contained within a surface relief structure. The structures are such that the device responds to illumination (2) at a first, visible wavelength to generate a first, visible pattern while any pattern generated by the second structur ...


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Schneider Bengt Olaf: An extendable multiple image-buffer for graphics systems.. Ibm, June 30, 1993: EP0548586-A2 (79 worldwide citation)

A graphics buffer (22) for storing information describing pixels that represent an image. The graphics buffer includes Surface Buffer Modules (32) that include a first memory (46) for storing pixel surface information, such as color, for a plurality of pixels. The Surface Buffer Modules, each furthe ...


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Oshlack Benjamin, Pedi Frank, Chasin Mark: Stabilized controlled release substrate having a coating derived from an aqueous dispersion of hydrophobic polymer.. Euro Celtique, June 30, 1993: EP0548448-A1 (77 worldwide citation)

A stabilized solid controlled release dosage form having a coating derived from an aqueous dispersion of ethylcellulose is obtained by overcoating a substrate including a therapeutically active with an aqueous dispersion of ethylcellulose and then curing the coated substrate at a temperature and rel ...


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Hage Ronald: Bleach activation.. Unilever, Unilever, June 30, 1993: EP0549272-A1 (75 worldwide citation)

Bleach catalysts comprising a complex of formula (I) [L Mn Xp ] Yq (I) wherein Mn is manganese in the II, III or IV oxidation state, X represents a coordinating or bridging species; p is an integer from 1 to 3; Y is a counter-ion the type of which is dependent upon the charge z of the complex which ...


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Hage Ronald, Iburg Jan Eric: Bleach activation.. Unilever, Unilever, June 30, 1993: EP0549271-A1 (72 worldwide citation)

A cleaning composition a surface active material and a macrocyclic organic ligand. The composition can, optionally, comprise a source of iron and/or manganese ions and when it also includes a peroxy compound is an effective bleaching composition.