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Paul Feron, Daniel Tougne: Power adapter for electrical installations and especially domestic installations. Manufacture d Appareillage Electrique de Cahors, Paul Feron, Electricite de France, Young & Thompson, September 13, 1988: US04771185 (77 worldwide citation)

In order to optimize power supply costs and reduce billing rates in terms of prices charged per kilowatt-hour, the current consumed by a domestic installation is compared with a reference value and the result is transmitted to a microprocessor. As a function of this result, the microprocessor discon ...


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Daniel Chaffanjon: Directional separator-coupler circuit for medium-frequency carrier currents on a low-voltage electrical line. Electricite de France, Larson and Taylor, March 5, 1996: US05497142 (69 worldwide citation)

A directional separator-coupler circuit is provided for a medium-frequency carrier current on an electrical line of a low-voltage alternating current network. The separator-coupler circuit comprises a parallel resonant circuit (C,L) inserted into the electrical line and a circuit (E) for the transmi ...


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Andrei Vidrascu, Yves M J Dherbecourt, Jean Marc Herodin: Method, apparatus and device for enciphering messages transmitted between interconnected networks. Electricite de France Service National, Antonelli Terry Stout & Kraus, December 10, 1996: US05583940 (68 worldwide citation)

A method of enciphering messages transmitted between at least two networks (2, 17) interconnected via at least one highway (8), the interconnected networks (2, 17) using the Internet protocol (IP, as network layer protocol and the TCP or UDP protocol, as transport layer protocol, the highway (8) usi ...


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Jacques Noel: Convector heater incorporating air purification and humidity control - has filter in air intake, with humidifying, ionising and ozonising unit placed in heated air-stream.. Electricite de France, October 29, 1993: FR2690509-A1 (44 worldwide citation)

The rectangular sheet steel case (15) has intake vents (10) along the bottom and delivery vents (14) along the top. Incoming air rises through a filter (11) to be heated by resistive elements (13). The basic filter of removable, washable plastic foam may, opt., be supplemented by an electrostatic fi ...


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Stéphane Taunier, Olivier Kerrec, Michel Mahe, Denis Guimard, Moëz Ben Farah, Daniel Lincot, Jean François Guillemoles, Pierre Philippe Grand, Pierre Cowache, Jacques Vedel: compounds, for photovoltaic applications, Method for making thin-film semiconductors based on I-III-VI. Electricite de France Service National, Centre National de la Recherche Scientifique CNRS, Kilpatrick Stockton, April 11, 2006: US07026258 (41 worldwide citation)

The invention concerns a method for making thin-film CIGS which consists in: electrochemically depositing on a substrate a layer of stoichiometry close to CuInSe2; then rapidly annealing said layer from a light source with pulses of sufficient power to recrystallize CIS. Advantageously, the electrod ...


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Jean Renault, Francois Jolivet, Claude Plichon, Rene Bordet: Device for protecting a structure against the effects of high horizontal dynamic stresses. Spie Batignolles, Electricite de France, Young & Thompson, October 24, 1978: US04121393 (38 worldwide citation)

The device for protecting a structure against the effects of dynamic stresses and especially stresses produced by earthquakes comprises a system of friction supports constituted by seating blocks associated respectively with the structure and with the foundation floor. The blocks are applied against ...


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Jean Denis, Jean Michel Decaudin: Optical probe. Electricite de France, Oblon Fisher Spivak McClelland & Maier, December 15, 1987: US04713552 (36 worldwide citation)

The invention relates to an optical probe comprising an optical means (5) having a given refractive index. This optical means is able to reflect an incident light beam if it is located in a medium (3), whose refractive index is higher than the given index and is able to reflect the incident light be ...


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Bernard Nicolas: Overcurrent protection device. Service National Electricite de France, Larson and Taylor, September 29, 1987: US04697218 (34 worldwide citation)

The device, for AC operation, is applicable more especially to the protection of very high tension installations. It comprises a rectifier (12), a comparator for comparing the rectified current and a threshold value (s) and for making, in the case of overshoot, a new comparison after a time equal to ...


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Jean Michel Augem: Process for the radioactive decontamination of an oil. Electricite de France Service International, Pearne Gordon McCoy & Granger, December 24, 1991: US05075044 (33 worldwide citation)

According to the invention, the oil is passed through a pulverulent material, such as an earth or clay, in the presence of an acid. The pulverulent material can be placed beforehand on a filter or can be mixed with the oil before filtration. If necessary, the oil is recycled through the filter up to ...