Abstract: This installation for locating impacts comprises an interactive plate, at least three transducers arranged and distributed against the interactive plate in order to pick up progressive mechanical waves propagating therein and to transform them into electrical signals, and an electronic central unit programmed to locate an impact in the interactive plate by an analysis of the electrical signals that it receives from the transducers. It further includes an additional plate attached to the front face of the interactive plate and having an impact-receiving zone, and means for attaching the additional plate to the interactive plate, configured to ensure contact against the entire portion of the front face of the interactive plate located opposite the impact-receiving zone of the additional plate.

Abstract: This method for manufacturing a device for locating an impact comprising an interactive surface having a front face for receiving an impact and at least three transducers that need to be distributed and attached against the front face or a rear face of the interactive surface, comprises the following steps: determining a central positioning point for each transducer on the front face or rear face of the interactive surface; attaching each transducer, via the lower conductive layer thereof forming a first electrode, around the central positioning point thereof. It further comprises, following the attachment of each transducer, a step of machining the free upper conductive layer of at least one of the transducers, using a machine tool, at least as far as a piezoelectric intermediate layer of this transducer, in order to form a second electrode of this transducer, centering it around the central positioning point thereof.

Abstract: This installation for locating impacts comprises an interactive plate, at least three transducers arranged and distributed against the interactive plate in order to pick up progressive mechanical waves propagating therein and to transform them into electrical signals, and an electronic central unit programmed to locate an impact in the interactive plate by an analysis of the electrical signals that it receives from the transducers. It further includes an additional plate attached to the front face of the interactive plate and having an impact-receiving zone, and means for attaching the additional plate to the interactive plate, configured to ensure contact against the entire portion of the front face of the interactive plate located opposite the impact-receiving zone of the additional plate.

Abstract: A device for locating an impact against an interactive surface includes at least three transducers distributed against the interactive surface and an electronic central unit programmed to locate the impact by analysing propagation time differences of progressive mechanical waves from the impact to the transducers on the basis of instants of impact detection identified in the electrical signals supplied by the transducers. The electronic central unit is programmed to trigger an impact detection from a first instant when at least one M-th derivative from at least one of the received electrical signals exceeds a predetermined non-zero threshold value and for then determining, for each electrical signal received from each transducer, at least one second instant, subsequent to the first instant, of the first zero crossing of at least one N-th derivative of this electrical signal, from which is identified at least one instant of impact detection.

Abstract: A shooting range facility that is for recreational or sporting purposes includes a target support plate, which can be tilted according to several different possible inclinations with respect to a reference plane, and at least one target representation intended to be displayed in a plane of the target support plate. Each target representation has several different displayable deformations, respectively associated with the several different possible inclinations, these different deformations being designed so that the orthogonal projections thereof in the reference plane are all identical when they are respectively displayed in the plane of the target support plate according to the inclinations with which they are respectively associated.

Abstract: A shooting range facility that is for recreational or sporting purposes includes a target support plate, which can be tilted according to several different possible inclinations with respect to a reference plane, and at least one target representation intended to be displayed in a plane of the target support plate. Each target representation has several different displayable deformations, respectively associated with the several different possible inclinations, these different deformations being designed so that the orthogonal projections thereof in the reference plane are all identical when they are respectively displayed in the plane of the target support plate according to the inclinations with which they are respectively associated.

Abstract: This method for manufacturing a device for locating an impact comprising an interactive surface having a front face for receiving an impact and at least three transducers that need to be distributed and attached against the front face or a rear face of the interactive surface, comprises the following steps: determining a central positioning point for each transducer on the front face or rear face of the interactive surface; attaching each transducer, via the lower conductive layer thereof forming a first electrode, around the central positioning point thereof. It further comprises, following the attachment of each transducer, a step of machining the free upper conductive layer of at least one of the transducers, using a machine tool, at least as far as a piezoelectric intermediate layer of this transducer, in order to form a second electrode of this transducer, centering it around the central positioning point thereof.

Abstract: A device for locating an impact against an interactive surface comprises M transducers distributed against the interactive surface, M?4, and an electronic central unit programmed to locate the impact by analysing time differences of propagation of progressive mechanical waves from the impact to the transducers on the basis of instants of impact detection identified in the electrical signals supplied by the transducers. The electronic central unit is programmed to select, among the M transducers, a subset of N transducers, 3?N<M, of which the electrical signals chronologically comprise the first N instants of detection of impact identified and to locate the impact based on these N first instants of detection of impact identified and on the places of arrangement in the interactive surface of the N transducers selected.

Abstract: This device for locating an impact against a transparent interactive surface comprises at least three transducers distributed against the interactive surface and at least one calculator programmed to locate the impact by analysing time differences of propagation of progressive mechanical waves from the impact to the transducers on the basis of instants of impact detection identified in the electrical signals supplied by the transducers. It further comprises: a protective case, integral with the transparent interactive surface, intended to receive at least a portion of an electronic device with a display screen in such a way as to place the display screen facing the transparent interactive surface; means for adjusting the display screen for the centring thereof on a mark carried by a marking on the transparent interactive surface; and a calculator programmed to convert the location of the impact in the transparent interactive surface into a location of the impact in the display screen.

Abstract: A device for locating an impact against an interactive surface includes at least three transducers distributed against the interactive surface and an electronic central unit programmed to locate the impact by analysing propagation time differences of progressive mechanical waves from the impact to the transducers on the basis of instants of impact detection identified in the electrical signals supplied by the transducers. The electronic central unit is programmed to trigger an impact detection from a first instant when at least one M-th derivative from at least one of the received electrical signals exceeds a predetermined non-zero threshold value and for then determining, for each electrical signal received from each transducer, at least one second instant, subsequent to the first instant, of the first zero crossing of at least one N-th derivative of this electrical signal, from which is identified at least one instant of impact detection.

Abstract: A device and a method for allowing a noncommunicating object to communicate comprises a processing module that provides a user interface that is capable of detecting an event on an area of the user interface, a control module for characterizing the detected event and a communication module for generating a message containing the characterization information from the detected event and receiving a digital message containing information for triggering an action that is associated with the event. The device also comprises piezoelectric means that are coupled to the processing module and capable of generating a mechanical vibration in the passive surface, which transforms the vibration into an acoustic wave in audio transmission mode, or of producing a mechanical vibration from an acoustic wave in audio reception mode.

Abstract: The present invention relates to a device for assisting in the navigation of a person, both inside and outside a building. The device, being fitted to the person, comprises at least: a computer (41) comprising in memory a digitized map of the place (1) in which the path of the person is planned between a departure point and an arrival point, and a location software; a human-machine interface linked to the computer; a set of sensors (42) worn by the person and linked to the computer, the sensors delivering information about the movements of the person; the location software performing a processing of the signals originating from the sensors (42) and from the interface, and performing the fusion of the data provided by the digitized map and the information arising from the sensors and from the interface, and then calculating on the basis of these data the absolute location of the person on the map and correcting the position estimation errors.

Abstract: A device for storing a path followed by a bearer, notably to guide a person. The device includes a set of sensors with which the bearer can be equipped, capable of at least giving a measurement of distance covered by the bearer and a measurement of change of heading made by the person; and means of processing the measurements performed by the set of sensors, said processing means creating and storing a metric graph representing the path followed by the bearer, said graph being formed by a set of nodes, a node consisting of at least one event detected by the set of sensors at a point on the path and of a link indicating a measurement of distance and of heading relative to the preceding node covered by the bearer, the first node of the graph being the starting point of the path.

Abstract: The present invention relates to a device for assisting in the navigation of a person, both inside and outside a building. The device, being fitted to the person, comprises at least: a computer (41) comprising in memory a digitized map of the place (1) in which the path of the person is planned between a departure point and an arrival point, and a location software; a human-machine interface linked to the computer; a set of sensors (42) worn by the person and linked to the computer, the sensors delivering information about the movements of the person; the location software performing a processing of the signals originating from the sensors (42) and from the interface, and performing the fusion of the data provided by the digitized map and the information arising from the sensors and from the interface, and then calculating on the basis of these data the absolute location of the person on the map and correcting the position estimation errors.

Abstract: The multistable actuator (10) includes: a mobile part (12) intended to be moved between at least two stable positions, movement means (14, 16) for moving the mobile part, guide means (122, 186, 24, 246, 247, 248, 249) for guiding the movement of the mobile part (12), and support means (20, 22, 28, 30, 246, 247, 248, 249) for holding the mobile part (12) in each of the stable positions that it occupies, wherein the movement means (14, 16) are two opposing movement means made of a shape memory alloy. Application in a tactile interface.

Abstract: A touch-sensitive display device (10) is characterized in that it is constituted by a stack of layers (1, 4), an insulating layer (2) comprising recesses (21) for the displacement of blades (12) connected to a touch plate (1) being positioned between the touch plate (1) and a layer (3) comprising pancake coils (31) that can be addressed selectively. By modifying the value of currents sent to the different coils (31), the feel of the touch plate (1) can be modified.

Abstract: A device (1) comprising a tactile interface in the form of a plate (10) comprising an array of elements (25) enabling a surface (10a) of the plate (10) to be modified in a controlled manner, characterised in that the plate (10) is made of a shape memory material, and in that each element (25) is made up of an array of blades (23) solid with the plate (10) by an arm (13) solid monolithically with the plate (10) and the blade, a recess (14) of freedom of blade being present around the blade (23), the blade (23) having a first position at a first temperature and a second position at a second temperature.

Abstract: A touch-sensitive display device (10) is characterised in that it is constituted by a stack of layers (1, 4), an insulating layer (2) comprising recesses (21) for the displacement of blades (12) connected to a touch plate (1) being positioned between the touch plate (1) and a layer (3) comprising pancake coils (31) that can be addressed selectively. By modifying the value of currents sent to the different coils (31), the feel of the touch plate (1) can be modified.

Abstract: The present invention relates to an electronic system operating under irradiation and to a process for designing such a system making it possible to determine a first group (21) of components with high integration and vulnerability intended to be selectively protected by a shield (22), the remainder of the components (20) not benefiting from such a protection. One application of the process is for an electronic control system of a mobile robot able to function in the presence of ionizing radiation (typically gamma radiation).