Abstract:
Embedded secure element The present description concerns an embedded electronic system or a method implemented by such a system, including: at least one volatile memory (RAM); and at least one low-level operating system managing the allocation of areas of the volatile memory to a plurality of high-level operating system, each including one or a plurality of applications, wherein said volatile memory includes: at least a first portion (PRAM30) reserved to execution data of a first application (App30); and at least a second portion intended to store execution data of at least a second application (App31), the execution data of the first application remaining in the volatile memory in case of a deactivation or of a setting to standby of this first application.
Abstract:
La présente description concerne un élément sécurisé embarqué (E) comprenant une mémoire virtuelle (VRAM), et étant configuré pour mettre en oeuvre au moins une partie d'une première application (App20) adaptée à être miseen oeuvre par au moins un systèmed'exploitation de bas niveau (113) de l'élément sécurisé embarqué (E), dans lequel des données d'exécution relatives à une ou plusieurs tâches secondaires de ladite première application (App20) sont stockées dans une partie de ladite mémoire virtuelle (VRAM) lorsque que l'exécution de ladite partie de la première application (App20) est interrompue par l'exécution d'au moins une partie d'une deuxième application (App21).
Abstract:
A vehicle such as a motor car (V) equipped with a radio equipment (14) is provided with a rearview camera 5 (10). Video frames from the rearview camera (10) are received at the radio equipment (14) and transmitted to a mobile communication device (S) such as a smart phone equipped with a video screen (S1) so that video frames from the rearview camera (10) are displayed on the 10 video screen (S1) of the mobile communication device (S).
Abstract:
A device for detecting obstacles (10) that is wearable by a subject (18) on a foot (19), in particular integrated in an item of footwear (30) that is wearable by the subject (18), the aforesaid device (10) comprising at least one ultrasound source (12T) for emitting an ultrasound transmission signal (UT) and an ultrasound receiver (12T) for receiving a corresponding ultrasound signal (UR) reflected by an obstacle (16), a control module (11) for measuring a time of flight (At) between emission of the ultrasound transmission signal (UT) and reception of the corresponding ultrasound signal (UR) reflected by the obstacle (16) and calculating, on the basis of the aforesaid time of flight (Δt), the distance (d) at which the obstacle (16) is located. The device comprises an inertial sensor (13), in particular an acceleration sensor, designed to measure acceleration of the foot (19) along three axes (x, y, z), and a control module (11) configured for enabling operation of the ultrasound source (12T) if the aforesaid acceleration values measured by the inertial sensor (13) respect a given condition (Cen) for enabling measurement of the time of flight (Δt).
Abstract:
An integrated-circuit card (1) is described, said card comprising a substrate (2) and a circuit (3) integrated in the substrate (2), with the pads of the circuit (3) substantially coplanar with a surface (S) of the substrate (2). The substrate (2) comprises a first area defining a first sector (5) comprising the circuit (3) and able to be separated from the card (1), said first sector (5) having a form and size equivalent to a 4FF format of integrated-circuit cards and being intended to be separated from the card owing to a first pre-cut or weakening line (4) delimiting said first sector (5) with 4FF format; the card further comprises at least one area defining a second sector (7) around the first sector (5) and able to be separated from card (1) owing to a second pre-cut or weakening line (6), said second sector (7) having a form or size equivalent to a 2FF or 3FF format of integrated-circuit cards, and a screen-printed coating (8) on the surface (SC) opposite to the surface (S) of the substrate (2), in the region of at least the second sector (7), the screen-printed coating (8) having, along the second sector (7), a thickness (B) which is equal to the difference between a predefined thickness (X) of the 2FF or 3FF format and a thickness (A) of the first sector ( 5 ).
Abstract:
The invention relates to an integrated electronic device (400; 400a; 500, 500'; 600, 600'; 700, 700') on a semiconductor material chip for detecting the pressure related to a force (F) applied in a predetermined direction (d) within a solid structure. The device comprises: - an integrated element (51) defined by an operating surface of the chip (52) that is substantially orthogonal to the direction (d) of application of the force; first (53) and second (54) conductive elements accommodated within the substrate element (51) and configured to face the operating surface; a measure module (55) accommodated within the substrate element and comprising first (56) and second (57) measurement terminals which are electrically connected to the first (53) and second (54) conductive elements, respectively; a detecting element (58) arranged in the predetermined direction (d) such that the operating surface (52) is sandwiched between the first (53) and second (54) conductive elements and this detecting element ( 58 ); - an insulating layer (59) suitable to coat at least the operating surface in order to galvanically insulate the first (53) and second (54) conductive elements. The device comprises a layer of dielectric material (510, 510') which is at least sandwiched between the detecting element (58) and the insulating layer (59). The layer of dielectric material is elastically deformable following the application of the force (F) in the predetermined direction to change an electromagnetic coupling between the detecting element (58) and the above-mentioned first (53) and second (54) conductive elements.
Abstract:
The present invention provides for a method for extraction of descriptors from video content, comprising the following steps: a Key Frame Extracting step, applying a local descriptors-based approach to select pictures of the incoming video as key frames that are representative of a temporal region of the video which is visually homogeneous; a Content Analysis step, analysing the content of said key frames and classifying image patches of said key frames as interesting or not for said extraction of descriptors; a Descriptors Extracting step, extracting compact descriptors from said selected key frames, and defining a set of surrounding images also on the basis of input received from said Content Analysis step; a Temporal Coding step, multiplexing information about the time points at which said key frames have been extracted in said Key Frame Extracting step with said compact descriptors extracted in said Descriptors Extracting step, obtaining said descriptors.
Abstract:
The network (100) of electronic devices is formed on a flexible substrate (15; 101) by a plurality of electronic devices (1; 104) assembled on the flexible substrate. The electronic devices have an embedded antenna for mutual coupling (4; 111) of a wireless type. Each electronic device (1; 104) is formed by a chip or a complex system integrating a transceiver circuit (3) connected to the embedded antenna (4; 11) and a functional part (12; 112) connected to the transceiver circuit and including at least one element chosen in the group comprising: a sensor, an actuator, an interface, an electrode, a memory, a control unit, a power-supply unit, a converter, an adapter, a digital circuit, an analog circuit, an RF circuit, a microelectromechanical system, an electrode, a well, a cell, a container for liquids. The flexible support may be a substrate (15) of plastic material that incorporates the electronic devices or a garment having smart buttons that house the electronic devices.
Abstract:
In an assembly of a semiconductor integrated device (30), a package (32) has a base element (33) and a covering element (34) defining an internal space (35), an access opening (36) is provided through the covering element (34) for access to the internal space (35) from outside, and a MEMS acoustic transducer (20) is housed within the package (32) and includes a die (21) integrating a microelectromechanical sensing structure (1), defining a membrane (2) suspended over a cavity (6) and facing a rigid plate (3). The MEMS acoustic transducer (20) is set so that the die (21) is directly set between the access opening (36) and the internal space (35), defining an uninterrupted fluidic path including the access opening (36), the cavity (6), and the internal space (35). The semiconductor integrated device (30) includes a further MEMS sensor (44), with a die (45) integrating a respective microelectromechanical sensing structure (46) having a sensing element (64) set in fluid communication with the outside through the same fluidic path.
Abstract:
A microprocessor device comprises at least one reset management module. The at least one reset management module is arranged to detect a reset event comprising a first reset level, determine if at least one reset condition has been met upon detection of the reset event comprising the first reset level, and cause a reset of a second reset level upon determining that the at least one reset condition has been met.