Abstract: The disclosure relates to a method for recognizing at least one naturally emitted sound produced by a real-life sound source in an environment comprising at least one artificial sound source. The method is implemented by an audio recognition device, and it includes simultaneously obtaining a first audio signal from a first microphone located in the environment and a second audio signal from an audio acquisition device associated with the at least one artificial sound source; analyzing the first audio signal, delivering a first list of sound classes corresponding to sounds recognized in the first audio signal; analyzing the second audio signal, delivering a second list of sound classes corresponding to sounds recognized in the second audio signal; and delivering a third list of sound classes, comprising only sound classes included in the first list of sound classes which are not included in the second list of sound classes.

Abstract: A method of generating electricity with a fuel cell includes a phase in which the cell is primed; and a phase in which the cell functions at a stable rate, during which the cell, fed with a hydrogenated gas, generates electricity and heat. In order to prime the cell, it is fed with a hydrogenated gas including at least 70 vol. % hydrogen, generated by self-sustaining combustion of at least one hydrogenated gas-generating solid pyrotechnic charge; and while it is operating at a stable rate, the cell is fed with a hydrogenated gas containing at least 85 vol. % hydrogen, generated by thermal decomposition of at least one hydrogenated gas-generating solid pyrotechnic charge; a portion of the heat produced by the operating cell being transferred to the at least one solid charge in order to start and maintain the thermal decomposition thereof.

Abstract: A method of generating electricity with a fuel cell includes a phase in which the cell is primed; and a phase in which the cell functions at a stable rate, during which the cell, fed with a hydrogenated gas, generates electricity and heat. In order to prime the cell, it is fed with a hydrogenated gas including at least 70 vol. % hydrogen, generated by self-sustaining combustion of at least one hydrogenated gas-generating solid pyrotechnic charge; and while it is operating at a stable rate, the cell is fed with a hydrogenated gas containing at least 85 vol. % hydrogen, generated by thermal decomposition of at least one hydrogenated gas-generating solid pyrotechnic charge; a portion of the heat produced by the operating cell being transferred to the at least one solid charge in order to start and maintain the thermal decomposition thereof.

Abstract: The invention relates to an electricity production system for feeding electrical energy to a device of an aircraft. The system comprises a generator for generating gaseous hydrogen from hydrogen in non-gaseous form, a main tank connected upstream to the generator and for containing gaseous hydrogen under a pressure substantially higher than atmospheric pressure, the gaseous hydrogen being produced by the generator, at least one fuel cell, an expander connected upstream to the main tank and downstream to the fuel cell(s), where upstream and downstream are defined relative to the flow direction of the hydrogen under normal conditions of operation of the system, and a control device that regulates the flow rate and the pressure of the gaseous hydrogen from the main tank to the fuel cell(s) via the expander.

Abstract: A needleless injection device used for intradermal, subcutaneous and intramuscular injections is disclosed. The device includes a pyrotechnic gas generator, at least one piston, a reserve of liquid active principle and an injection nozzle. The generator includes a pyrotechnic charge composed of a central energetic material that is surrounded by a second peripheral energetic material. The entire outer surface of the central energetic material contacts the inner surface of the peripheral energetic material. The two energetic materials have different rates of combustion.

Abstract: The invention concerns the field of needleless syringe having an injector with several ducts. The problem that needs to be solved is the long term compatibility of the injector with the liquid active principle. For that purpose the syringe (1) comprises a cylindrical reservoir (2), closed at its upstream part by a closure element (3) capable of being moved by driving means (70), and closed at its downstream part by an injector (4) comprising at least an injection duct and said reservoir being secured to the body (8) of the syringe, said syringe is such that the diaphragm (5), compatible with the active principle, isolates the latter from the injector (4) and said diaphragm can be passed through by the liquid (6) when pressurized for injection.

Abstract: The invention relates to a method of assembling a needleless injection device (1), whereby a plurality of elements forming a circuit of elements is assembled to a body (2). The aforementioned circuit comprises elements such as an initiation device, a receptacle (5) containing an active agent to be injected, and an active agent injection system. The inventive method is characterised in that it comprises a step in which a gas-generating cartridge (6), which is adapted to the nature and/or quantity of active agent to be injected as well as to the skin penetration depth desired for same, is inserted directly into the circuit of elements, independently of said elements, from outside the body (2). The invention also relates to a needleless injection device (1).

Abstract: The technical field of the invention is that of prefilled and disposable needleless injection devices functioning with a gas generator and used for intradermal, subcutaneous and intramuscular injections. The invention relates to a needleless injection device (1) comprising a pyrotechnic gas generator (2), at least one piston (13, 14), a reserve of liquid active principle (9), and an injection nozzle (11). The principal characteristic of this device is that said generator (2) comprises a pyrotechnic charge (4) composed of a central energetic material which is surrounded by a second peripheral energetic material, the two energetic materials having different rates of combustion.

Abstract: An apparatus and method for the compensation of the effects of residual heat of the resistive heads of a thermal print head is discussed. In photographic applications, the general residual heat pattern through the pass of a page in front of the print head is characterized in advance and is generally unique to each type of printer head. Thereafter compensation is made based on this characteristic. In one embodiment of the invention, data are collected over time and the print head thermal characterization is updated and stored for future use, for example, in a non-volatile memory.

Abstract: The invention concerns the field of needleless syringe having an injector with several ducts. The problem that needs to be solved is the long term compatibility of the injector with the liquid active principle. For that purpose the syringe (1) comprises a cylindrical reservoir (2), closed at its upstream part by a closure element (3) capable of being moved by driving means (70), and closed at its downstream part by an injector (4) comprising at least an injection duct and said reservoir being secured to the body (8) of the syringe, said syringe is such that the diaphragm (5), compatible with the active principle, isolates the latter from the injector (4) and said diaphragm can be passed through by the liquid (6) when pressurised for injection.

Abstract: The invention relates to a method of assembling a needleless injection device (1), whereby a plurality of elements forming a circuit of elements is assembled to a body (2). The aforementioned circuit comprises elements such as an initiation device, a receptacle (5) containing an active agent to be injected, and an active agent injection system. The inventive method is characterised in that it comprises a step in which a gas-generating cartridge (6), which is adapted to the nature and/or quantity of active agent to be injected as well as to the skin penetration depth desired for same, is inserted directly into the circuit of elements, independently of said elements, from outside the body (2). The invention also relates to a needleless injection device (1).

Abstract: Methods and apparatus for image convolution using a one dimensional convolution operator to perform two successive convolutions, one in one dimension and one in a second dimension. A one dimensional convolution operator is provided with convolution coefficients and image data from a data matrix, and may also be provided with offset information, and stores the result of convolution in a first dimension in a buffer. Then for convolution in the second dimension, the results of the first convolution stored in the buffer are coupled back to the convolution operator for convolution in the second dimension. In a preferred embodiment, the result of the convolution in the second dimension for each of three color components is directed to an output buffer that selectively will provide as the output, the pixel data after the two dimensional convolution or the original pixel data. Alternate forms of convolution coefficients are disclosed.

Abstract: The need for horizontal alignment of a laser printer print head is a well-known challenge. It is necessary to ensure that the print head starts printing a next line in alignment with the immediately previous line to guarantee an eye-pleasing printed image. The invention provided disclosed a method and apparatus for the purpose of horizontal alignment by using a higher frequency than the horizontal synchronization frequency to adjust the print head position to 1/nth accuracy. This is further applicable for the purpose of using a single controller that is designed to drive multiple types of print heads, each having its own printing and alignment characteristics.

Abstract: Methods and apparatus for smoothing an image representation for printing and display purposes. The invention recognizes that for smoothing purposes, there are only a limited number of patterns that require such smoothing, normally not exceeding a few hundred. It is therefore practical to compare an input image to a plurality of pre-determined patterns. If a match is found, then the input image is replaced by a corresponding pattern that was empirically found to be more suitable for the purposes of printing or display. Alternate embodiments of both the methods and the apparatus are disclosed.

Abstract: A needleless syringe comprises a reservoir sealed with mobile closure elements enclosed the liquid, the reservoir being initially isolated from the injection system which is so designed that it comprises at least two peripheral injection conduits located outside a receptacle comprising a blind bore which receives the downstream closure element such that the inlets of the conduits are cleared.

Abstract: The invention concerns the field of needleless syringe having an injector with several ducts. The problem that needs to be solved is the long term compatibility of the injector with the liquid active principle. For that purpose the syringe (1) comprises a cylindrical reservoir (2), closed at its upstream part by a closure element (3) capable of being moved by driving means (70), and closed at its downstream part by an injector (4) comprising at least an injection duct and said reservoir being secured to the body (8) of the syringe, said syringe is such that the diaphragm (5), compatible with the active principle, isolates the latter from the injector (4) and said diaphragm can be passed through by the liquid (6) when pressurized for injection.

Abstract: An apparatus and method for image manipulation treatment applicable, for example, to a printing process at high resolution is discussed. The invention reduces time consumed, when high resampling image are needed, while preserving image characteristics and rendering quality. The invention enables image printing at high resolution, including images having non-continuous tone and multilevel print dithering. This is made possible because lesser amounts of significant image data are sent for computation for an equivalent to better quality of the resultant image.

Abstract: The technical field is that of pre-filled disposable needleless syringes, operating with a gas generator (100) and used for intradermal, subcutaneous and intramuscular injections of liquid active principle for therapeutic purposes in human and veterinary medicine. The inventive needleless syringe (1) is characterised in that it comprises a compact architecture body (2) and the gas generator (100) is released by a cap (17) covering said body (2), said cap (17) being adapted to slide along said body (2). Said releasing mode provides the syringe with great stability (1) at the time of injection.

Abstract: A needleless syringe for injecting a liquid active principle. The syringe improves bioavailability by providing injection at two speed levels. The syringe includes a reservoir contained between an injector and push means subjected to the action of a gas generator. The push means including an end, directed towards the active principle, which forms a delivery head whereof the cross-section is smaller than the powering head cross-section, and the powering travel in the power cylinder is less than the height of the active principle reservoir.

Abstract: The invention relates to a needleless syringe (1), comprising the following' successively: a gas generator, a gas expansion chamber (3), a means for retaining particles of the active agent and a tube (6) for ejecting said particles. The main characteristic of the inventive syringe is that the gas generator is a pyrotechnic generator (2), comprising a pyrotechnic charge (10) which generates gas, a gas generator and an initiation device. The invention is also characterized in that the retaining means comprise at least one lid (8), which is fixed to the ejection tube and is configured to break under the influence of the gases generated by the combustion of said charge (10).