Abstract: The invention relates to an artificial knee joint comprising; an upper part (10) and a lower part (20) which are mounted on one another such that they can pivot about a pivot axis (12); a hydraulic resistance device (30) between the upper part (10) and the lower part (20), which resistance device provides resistance to a pivoting movement, the resistance device (30) having a switching valve (50) in a hydraulic line (37), the switching valve (50) having a valve body which can be displaced in a displacement direction and, in a first position, blocks or partially closes the hydraulic line (37) and, in a second position, releases the hydraulic line (37) and is designed or positioned in such a manner that a pressure force component acting on the valve body (55) perpendicularly to the displacement direction through the hydraulic fluid generates a holding force that counteracts a displacement of the valve body (55), wherein an actuator (60) for exerting a release force is associated with the valve body (55) and move

Abstract: An adjustment valve for a hydraulic actuator, in particular for orthopaedic devices, in a flow duct, includes a valve sleeve and a valve unit. The valve sleeve has a sleeve wall which forms a receptacle space, and has at least one radially aligned sleeve wall opening. The valve unit is disposed within the receptacle space of the valve sleeve so as to be repositionable between a closed position and an open position. A cavity is formed by the valve unit. The valve unit has at least one valve unit wall which lies opposite the at least one sleeve wall opening and in which is formed a passage opening that in the open position lies opposite the corresponding sleeve wall opening. At least one duct is formed in the sleeve wall and/or the valve unit wall. Ducts formed in the sleeve wall open out at the sleeve wall opening, and ducts formed on the valve unit wall open out at the passage opening.

Abstract: There is disclosed a system for monitoring, non-invasively, intracranial pressure of a subject. The system includes a vibroacoustic sensor and an electric potential sensor. The vibroacoustic sensor is configured to detect vibroacoustic signals associated with intracranial pressure of the subject, within a bandwidth ranging from about 0.01 Hz to about 20 kHz. The electric potential sensor is configured to detect electric potential signals reflective of baseline time-based events in the subject for identifying baseline time-based intracranial pressure changes from the detected vibroacoustic signals. The vibroacoustic sensor is housed in a wearable device. The wearable device is configured to be non-invasively coupled to the subject's head.

Abstract: A system for non-contact monitoring of acoustic signals associated with a body, the system comprising: a sensing device comprising: a support member defining an aperture, a diaphragm extending across the aperture such that at least a portion of the diaphragm covers the aperture, and a sensor connected to the support member or the membrane and configured to convert movement of the diaphragm to electric signal data.

Abstract: There is disclosed a transducer and a method for generating the transducer. The transducer is formed on a substrate layer. The transducer includes a first electrode layer, a first piezoelectric layer on the first electrode layer, and a second electrode layer on the first piezoelectric layer. The first electrode layer is connected to a first electrical connector and the second electrode layer is connected to a second electrical connector. The transducer can be configured to act as an acoustic sensor or an electric potential sensor.

Abstract: There is disclosed a method of and a system for generating a unique identifier for a subject. Biometric data related to the subject is received. Identification markers from the biometric data are extracted. The unique identifier is generated from the extracted identification markers by identifying a given domain specific feature which has a predetermined identity compared to other domain specific features. Feature values are generated based on the biometric data and stored in a user profile of the subject.

Abstract: A sensing system comprising a hand-held sensing device with a vibracoustic sensor module (VSM). The VSM comprises a voice coil component comprising a coil holder supporting wire windings; a magnet component comprising a magnet supported by a frame, a magnet gap configured to receive at least a portion of the voice coil component in a spaced and moveable manner; a connector connecting the voice coil component to the magnet component, the connector being compliant and permitting relative movement of the voice coil component and the magnet component; a diaphragm configured to induce a movement of the voice coil component in the magnet gap responsive to incident acoustic waves; a housing for retaining the vibroacoustic sensor module having a handle end and a sensor end, the sensor end having an opening, the VSM positioned such that at least a portion of the diaphragm extends across the opening.

Abstract: A sensing system comprising a hand-held sensing device with a vibracoustic sensor module (VSM). The VSM comprises a voice coil component comprising a coil holder supporting wire windings; a magnet component comprising a magnet supported by a frame, a magnet gap configured to receive at least a portion of the voice coil component in a spaced and moveable manner; a connector connecting the voice coil component to the magnet component, the connector being compliant and permitting relative movement of the voice coil component and the magnet component; a diaphragm configured to induce a movement of the voice coil component in the magnet gap responsive to incident acoustic waves; a housing for retaining the vibroacoustic sensor module having a handle end and a sensor end, the sensor end having an opening, the VSM positioned such that at least a portion of the diaphragm extends across the opening.

Abstract: Damper system for orthopaedic devices, with a proximal fastening device and a distal fastening device which are coupled to each other in such a way as to be displaceable relative to each other, with a first hydraulic or pneumatic damper device, which is arranged between the fastening devices and has a flexion chamber and an extension chamber separated from each other by a movable piston and connected fluidically to each other by at least one overflow line, wherein a second damper device with a parallel action, and with a velocity-independent hysteresis behaviour, is arranged between the fastening devices and is configured as a tube structure damper.

Abstract: A sensing system comprising a a hand-held sensing device with a vibracoustic sensor module (VSM). The VSM comprises a voice coil component comprising a coil holder supporting wire windings; a magnet component comprising a magnet supported by a frame, a magnet gap configured to receive at least a portion of the voice coil component in a spaced and moveable manner; a connector connecting the voice coil component to the magnet component, the connector being compliant and permitting relative movement of the voice coil component and the magnet component; a diaphragm configured to induce a movement of the voice coil component in the magnet gap responsive to incident acoustic waves; a housing for retaining the vibroacoustic sensor module having a handle end and a sensor end, the sensor end having an opening, the VSM positioned such that at least a portion of the diaphragm extends across the opening.

Abstract: A mount assembly for a portable electronic device, comprising: a first component including a receiving surface arranged to engage against a surface of a portable electronic device; a second component including a mounting surface arranged to engage with a carrier; and a third component including a first surface that cooperates with a surface of the first component to allow the first component to rotate relative to the third component; and a second surface that cooperates with a surface of the second component to allow the third component to tilt relative to the second component. The mount assembly further comprises a locking member connecting the first and third components such that the first component moves with the third component when the third component tilts relative to the second component and that, when in a locked position, is arranged to prevent the relative movement between the first, second and third components.

Abstract: A monitoring system includes optical sensors disposed on one or more fiber optic waveguides. Each optical sensor is spaced apart from other optical sensors and is disposed at a location along a route defined by a transportation structure that supports a moveable conveyance. The plurality of optical sensors are mechanically coupled to one or both of the transportation structure and the moveable conveyance. Each optical sensor provides an optical output signal responsive to vibrational emissions of one or both of the transportation structure and the conveyance. The monitoring system includes a detector unit configured to convert optical output signals from the optical sensors to electrical signals. A data acquisition controller synchronizes recordation of the electrical signals with movement of the conveyance.

Abstract: A monitoring system includes optical sensors disposed on one or more fiber optic waveguides. Each optical sensor is spaced apart from other optical sensors and is disposed at a location along a route defined by a transportation structure that supports a moveable conveyance. The plurality of optical sensors are mechanically coupled to one or both of the transportation structure and the moveable conveyance. Each optical sensor provides an optical output signal responsive to vibrational emissions of one or both of the transportation structure and the conveyance. The monitoring system includes a detector unit configured to convert optical output signals from the optical sensors to electrical signals. A data acquisition controller synchronizes recordation of the electrical signals with movement of the conveyance.

Abstract: An orthopedic damping device with a movably mounted piston and at least one chamber which has a wall and in which a compressible medium is compressed by moving the piston in a first direction and decompressed by moving the piston in an opposite second direction. The chamber is connected to a discharge channel. A closure element is paired with the discharge channel. The closure element is movably mounted on a support. The support is coupled to the piston or is designed as a piston. The closure element is coupled to a contact region which can be moved relative to the support.

Abstract: A luminaire (100) has an elongate tubular shell (1) and an elongate internal chassis (2) within the shell dividing space within the shell between a first compartment for electrical components and a second compartment for optical components (7, 6). The luminaire has a sealing cap (3, 4) at each end, and at least one of which supports an auxiliary active component for an application such as emergency lighting or car parking management. The shell (1) has features 1(a) for desired optical properties. The only seals are at the ends, between the end caps and the shell, and these are via sealing rings (17).

Abstract: An orthopedic damping device with a movably mounted piston and at least one chamber which has a wall and in which a compressible medium is compressed by moving the piston in a first direction and decompressed by moving the piston in an opposite second direction. The chamber is connected to a discharge channel. A closure element is paired with the discharge channel. The closure element is movably mounted on a support. The support is coupled to the piston or is designed as a piston. The closure element is coupled to a contact region which can be moved relative to the support.

Abstract: Localization and tracking system. The system includes at least one laser mounted for pointing its beam at arbitrary locations within a three-dimensional space. An object within the three-dimensional space supports a screen at its top for receiving the laser beam to create a shaped image on the screen. The shaped image on the screen is observed by a camera and computing apparatus determines the location of the object in the three-dimensional space from pointing parameters of the laser and from shape and center points of the shaped image on the screen.

Abstract: Localization and tracking system. The system includes at least one laser mounted for pointing its beam at arbitrary locations within a three-dimensional space. An object within the three-dimensional space supports a screen at its top for receiving the laser beam to create a shaped image on the screen. The shaped image on the screen is observed by a camera and computing apparatus determines the location of the object in the three-dimensional space from pointing parameters of the laser and from shape and center points of the shaped image on the screen.