Abstract: A device for control interface sensitive to movement of a body, includes a detection surface; at least one capacitive sensor including a measurement electrode including an active surface facing the detection surface, or substantially coinciding with the detection surface; electronic excitation and processing components for exciting the measurement electrodes at an alternating electrical potential and processing the signals emanating from the capacitive sensors, to provide distance information between the active surface of the electrodes and one or several objects; a guard of electrically conducting material disposed in proximity to the measurement electrodes, at least along the face of the measurement electrodes substantially opposite to the active surface, which guard is excited at an alternating electrical potential substantially identical to the alternating electrical potential of the measurement electrodes, wherein: the measurement electrodes and the guard are made of substantially transparent conducting

Abstract: This invention relates to a capacitive sensing device comprising (i) at least one capacitive electrode (12) with a substantially conductive material arranged so as to form a conductive surface (51); (ii) at least one guard component placed close to said at least one capacitive electrode (12); said capacitive electrode(s) (12) comprises(comprise) at least one opening (52) without conductive material arranged within or on the edge of the conductive surface (51) so as to reduce the coupling capacitance between said capacitive electrode(s) (12) and said guard component(s). The invention also relates to an apparatus implementing the device.

Abstract: The present invention relates to a device for a portable user apparatus, including a portion which can be folded over the user apparatus, said foldable portion including at least two detection layers, each kept at a guard potential and including at least one capacitive detection electrode: a first of said layers being arranged to carry out a function of capacitive detection of at least one control object located on one side of said foldable portion; a second of said layers being arranged so as to carry out a function of capacitive detection of at least one control object located on the other side of said foldable portion, with a view to triggering a function in the user apparatus. The invention also relates to an apparatus provided with such an accessory device.

Abstract: The present invention relates to a device for generating an alternating voltage difference between a first and second reference potential. The device comprises: an oscillator electrically referenced to the first reference potential; and a voltage follower/amplifier device electrically referenced to the second reference potential and having an input connected to the oscillator and an output connected to the first reference potential such that it can impose an alternating voltage difference, which depends on the signal generated by the oscillator, between said first and second reference potentials. The invention also relates to a system that uses the device and to a method for generating an alternating voltage difference between a first and second reference potential.

Abstract: The present invention relates to an interface device for controlling actions of at least one object of interest, comprising (i) a detection surface (4) provided with a plurality of capacitive -measurement electrodes (5), (ii) electronic and processing means comprising excitation means able to polarize said measurement electrodes (5) to an alternating electrical excitation potential, and measurement means able to measure a capacitive coupling between at least one measurement electrode (5) and at least one object of interest, (iii) guard elements (6) made of an electrically conducting material which are polarized to an alternating electrical guard potential substantially identical to said electrical excitation potential, (iv) electrical linking tracks (7) disposed at least in part on said detection surface (4), in which device the excitation means are arranged in such a way as to generate an electrical excitation potential with an excitation frequency low enough for the measurement electrodes (5) coupled capaci

Abstract: The present invention relates to a capacitive-measurement device for touch-sensitive and/or contactless interfaces, including at least one capacitive-measurement electrode (1) and electrode-switching means (2) capable of electrically connecting said at least one electrode (1), either to capacitive-measurement means or to a guard potential (11), said at least one capacitive-measurement electrode (1) and said electrode-switching means (2) being provided on a single detection surface (7) according to a technique for manufacturing planar electronic components. The invention also relates to an apparatus implementing the device.

Abstract: A device is provided for interacting without contact, via at least one command object, with a user appliance, including at least one first and one second part which, in use, form between them a non-zero angle, the device including: at least one first mechanism of detection by capacitive technology, and without contact, of the at least one command object with respect to a first control surface defined with respect to the first part of the user appliance, the first detection mechanism including several measurement electrodes; at least one, of the measurement electrodes being guarded, by a guard mechanism, at a guard potential, different from a ground potential, of the at least one command object, and substantially identical to the potential of the measurement electrode; and at least one second guard mechanism, for guarding the second part of the user appliance at least partially at the guard potential.

Abstract: A method is provided for capacitive detection, implementing a plurality of electrodes capable of allowing the detection of objects in their proximity by capacitive coupling, and including a step of simultaneous polarization of at least a part of the electrodes with different excitation potentials, the excitation potentials being generated with respect to a reference potential such that the scalar product over a predetermined duration of at least two of these excitation potentials is zero or very much less than the scalar product of one and/or the other of these excitation potentials with itself over the predetermined duration. A device and an appliance implementing the method are also provided.

Abstract: The present invention relates to a capacitive-measurement device for touch-sensitive and/or contactless interfaces, including at least one capacitive-measurement electrode and electrode-switching unit capable of electrically connecting the at least one electrode, either to a capacitive-measurement unit or to a guard potential, the at least one capacitive-measurement electrode and the electrode-switching unit being provided on a single detection surface according to a technique for manufacturing planar electronic components. The invention also relates to an apparatus implementing the device.

Abstract: A method is provided for navigating in a display screen by way of a control surface including a step of measuring:—a data item, termed position, relating to a position targeted, on the control surface, by a remote control object positioned opposite the control surface, and—a data item, termed vertical distance, relating to the distance between the at least one remote control object and the control surface; and a drive step, carrying out, as a function of the vertical distance measured:—a displacement, and/or—an adjustment of a parameter relating to a displacement; of at least one part of a zone and/or of a symbol displayed on the display screen and chosen as a function of the target position.

Abstract: A capacitive detection control interface device is provided, including at least one measurement electrode including an active surface, a guard made from an electrically conductive material placed adjacent to the measurement electrodes, the guard is excited up to an alternating electric potential substantially identical to that of the measurement electrodes, a first electronic component for exciting the electrodes and processing the measurement signals from the capacitive coupling of the electrodes with an object laced adjacent thereto, the electronic component is at least partly referenced to the electric potential of the guard, and a second electronic component for performing another functional display, placed adjacent to the active surface which second electronic component is at least partly referenced to the electric potential of the guard.

Abstract: A human-machine interface device is provided having a transparent detection zone and an access zone, and including a surface having electrodes made from a conductive transparent material in the detection zone, conductive connecting tracks arranged in the access zone and connected to the surface having electrodes, a first conductive surface in the transparent zone made from transparent material, and utilized as a guard for the surface having electrodes. The connecting tracks are arranged in a sandwich between a second and a third conductive surfaces utilized as second and third guards for these connecting tracks. Linking tracks are made from a transparent conductive material for linking the connecting tracks to electrodes of the surface having electrodes. The linking tracks are positioned between the electrodes when these linking tracks are situated on the detection surface; and positioned between the second and third guards when these linking tracks are in the access zone.

Abstract: A capacitive measurement device includes: at least one measurement electrode having an active surface; at least one guard made from an electrically conductive material placed adjacent to the measurement electrode(s), the guard being excited up to an alternating electric potential substantially identical to that of the measurement electrodes; and a first electronic device for exciting the electrode(s) and processing the measurement signals from the capacitive coupling of the electrode(s) to an object placed adjacent thereto, the electronic device being at least partially referenced to the electric potential of the guard. The measurement device further includes apparatus for performing another function, placed adjacent to the active surface, and a second electronic device provided for monitoring the apparatus for performing another function, the second electronic device being at least partially referenced to the electric potential of the guard.

Abstract: A method is provided for interacting with an electronic and/or computing apparatus, termed the user apparatus, the user apparatus including: a control surface furnished with a plurality of capacitive electrodes, and at least one neutral surface, arranged at the periphery of the control surface so that none of the capacitive electrodes of the control surface is disposed in the neutral surface; the method including the following steps: detection of at least one control object disposed in contact with or opposite the neutral surface of the apparatus, by utilization of the edge effect, and triggering, as a function of the detection, at least one function in the user apparatus. The invention also relates to a man-machine interface for interacting with a user apparatus and a user apparatus, implementing this method.

Abstract: A human-machine interface device is provided having a transparent detection zone and an access zone, and including a surface having electrodes made from a conductive transparent material in the detection zone, conductive connecting tracks arranged in the access zone and connected to the surface having electrodes, a first conductive surface in the transparent zone made from transparent material, and utilized as a guard for the surface having electrodes. The connecting tracks are arranged in a sandwich between a second and a third conductive surfaces utilized as second and third guards for these connecting tracks. Linking tracks are made from a transparent conductive material for linking the connecting tracks to electrodes of the surface having electrodes. The linking tracks are positioned between the electrodes when these linking tracks are situated on the detection surface; and positioned between the second and third guards when these linking tracks are in the access zone.

Abstract: A capacitive measurement device is provided, including: (i) a first electronic system electrically referenced to a guard potential and connectable to capacitive electrodes; (ii) a second electronic system electrically referenced to a ground potential; and (iii) an energizing component connected to the guard and ground potentials, respectively, to impart an AC voltage differential between the potentials. The device also includes an integrated circuit that is referenced to the ground and includes a first installation area in which the first electronic system is implemented, and a second installation area in which the second electronic system is implemented. Also included are systems using the device and uses of the device.

Abstract: A method and device is provided for control interface sensitive to a movement of a body or of an object and the control equipment integrating this device, in particular gestural and/or tactile and/or vocal, sensitive to a movement of at least one part of a body or of an object within a detection space, including a detection surface, at least one capacitive sensor, having a measurement electrode, a guard made of electrically conducting material disposed in proximity to the measurement electrodes, and electronic apparatus for processing the signals emanating from the at least one capacitive sensor. The active surfaces of the measurement electrodes are independent of one another, and an electronic device for excitation and processing interrogate these measurement electrodes independently of one another.

Abstract: A capacitive measurement device for control interfaces, includes: (i) a support plate (2) having elements for attachment (4) to a control interface (3), (ii) first electrodes (5) arranged on a first surface of the support plate (2) opposite the control interface (3) and including first active electrodes (5), (iii) electronic capacitive measurement elements capable of enabling the obtainment of proximity and/or contact information of objects of interest (1), and (iv) second electrodes (6, 7) arranged on a second surface of the support plate (2) facing the control interface (3) and including second active electrodes (6) connected to the electronic capacitive measurement elements such as to enable the obtainment of measurements of movement and/or deformation of the support plate (2). A method and apparatus implemented in the device are also described.

Abstract: A device for control interface sensitive to movement of a body, includes a detection surface; at least one capacitive sensor including a measurement electrode including an active surface facing the detection surface, or substantially coinciding with the detection surface; electronic excitation and processing components for exciting the measurement electrodes at an alternating electrical potential and processing the signals emanating from the capacitive sensors, to provide distance information between the active surface of the electrodes and one or several objects; a guard of electrically conducting material disposed in proximity to the measurement electrodes, at least along the face of the measurement electrodes substantially opposite to the active surface, which guard is excited at an alternating electrical potential substantially identical to the alternating electrical potential of the measurement electrodes, wherein: the measurement electrodes and the guard are made of substantially transparent conducting

Abstract: The present invention relates to a capacitive-measurement device for touch-sensitive and/or contactless interfaces, including at least one capacitive-measurement electrode (1) and electrode-switching unit (2) capable of electrically connecting the at least one electrode (1), either to a capacitive-measurement unit or to a guard potential (11), the at least one capacitive-measurement electrode (1) and the electrode-switching unit (2) being provided on a single detection surface (7) according to a technique for manufacturing planar electronic components. The invention also relates to an apparatus implementing the device.