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Pierdomenico

Claudio Pierdomenico US

Patent application numberDescriptionPublished
20100255325PLASTIC ARTICLES, OPTIONALLY WITH PARTIAL METAL COATING - Disclosed herein is a type of two-shot molded article, comprising a metallizable composition and a less-metallizable composition, that can be partially coated with metal, as well as methods of making the articles.10-07-2010

Claudio Pierdomenico, Meyrin Geneva CH

Patent application numberDescriptionPublished
20090143520PARTIALLY AROMATIC POLYAMIDE COMPOSITIONS FOR METAL PLATED ARTICLES - Partially aromatic polyamide compositions containing an aliphatic polyamide and an alkaline earth metal carbonate have excellent adhesion to metal coatings which are produced by electroless and/or electrolytic plating. Also described is a process for the electroless and/or electrolytic coating of these compositions. The resulting articles are useful as parts in automotive and industrial applications.06-04-2009
20100159260CHROME-FREE METHOD OF CONDITIONING AND ETCHING OF A THERMOPLASTIC SUBSTRATE FOR METAL PLATING - Described is an improved process for the simultaneous conditioning and etching of a thermoplastic substrate for metal plating using sulfuric acid dissolved in a solvent.06-24-2010
20100247774PARTIALLY AROMATIC POLYAMIDE COMPOSITIONS FOR METAL PLATED ARTICLES - Partially aromatic polyamide compositions containing an aliphatic polyamide and an alkaline earth metal carbonate have excellent adhesion to metal coatings which are produced by electroless and/or electrolytic plating. Also described is a process for the electroless and/or electrolytic coating of these compositions. The resulting articles are useful as parts in automotive and industrial applications.09-30-2010

John Pierdomenico, Temple, PA US

Patent application numberDescriptionPublished
20100237944Amplifier System With Digital Adaptive Power Boost - An amplifier system with digital adaptive power boost includes a charge pump for providing a power supply to an amplifier. The charge pump may switch between a fixed input DC voltage and a boosted value for a certain period of time in response to an increase in an input signal to the amplifier. The charge pump may use a switching transistor which is switched on only when the input signal to the amplifier exceeds a threshold. The amplifier system may be used for envelope tracking, especially for envelope tracking of low duty cycle signals, e.g., xDSL or vDSL.09-23-2010
20100283534BOOSTING xDSL AMPLIFIER SUPPLY POWER ON-DEMAND - Systems and methods for increasing amplifier supply power on demand for a plurality of xDSL signals is provided. In an embodiment, circuitry may be used to detect the signal or signals having the highest voltage. In different embodiments, the signal(s) with the highest absolute voltage or highest combined voltage between complementary signal pairs may be compared to a threshold voltage, such as an existing amplifier supply voltage. In different embodiments, when these highest voltage(s) exceed the threshold voltage, the corresponding amplifier supply voltages may be increased to meet the increased amplification demand. In some embodiments when these highest voltage(s) do not exceed the threshold voltage, the amplifier supply voltage may not be increased and the existing amplifier supply voltage may be used to amplify the xDSL signals.11-11-2010