Abstract: Due to the size and complexity of tissues such as the spinal cord and articular cartilage, specialized constructs incorporating cells as well as smart materials may be a promising strategy for achieving functional recovery. Aspects of the present invention describe the use of an electroactive, or piezoelectric, material that will act as a scaffold for stem cell induced tissue repair. Embodiments of the inventive material can also act alone as an electroactive scaffold for repairing tissues. The piezoelectric material of the present invention acts as a highly sensitive mechanoelectrical transducer that will generate charges in response to minute vibrational forces.

Abstract: An energy storage assembly includes the following: at least one electrochemical cell, wherein the at least one electrochemical cell comprises an anode that is liquid during operation, an electrolyte that is liquid during operation, and a cathode that is liquid during operation; and a magnetic field-generating structure disposed outside the at least one electrochemical cell for generating a magnetic field, wherein the magnetic field-generating structure is configured such that the generated magnetic field penetrates the at least one electrochemical cell.

Abstract: Embodiments of the present invention provide a level converter circuit with a resistor and a current adjustment circuit. The resistor is connected between an input and an output of the level converter circuit. The current adjustment circuit is configured to influence a current through the resistor such that an output voltage of the level converter circuit does not exceed a maximum allowable value.

Abstract: A hydropneumatic piston/cylinder arrangement, in particular for use as a spring element and/or shock absorber element, includes a cylinder (1) and a piston (15) axially movable in the cylinder chamber (5) of the cylinder. The cylinder chamber is filled with hydraulic fluid. The piston (15) is connected to a piston rod (13) extending outwardly in a sealed manner from one end of the cylinder (1). The base of the piston remote from the piston rod (13) can be operatively connected to a pneumatic spring mechanism (7) to convey fluid. A piston accumulator (7) has an accumulator piston (19) directly adjoining the hydraulic fluid in the cylinder chamber provided as the spring mechanism.

Abstract: The present invention relates to a polarization filter which is formed by at least one periodic line grid made from parallel extending metallic webs on a dielectric layer. The metallic webs are interrupted in their longitudinal extension by slots. The centre-to-centre distances between the slots are greater than the period of the line grid in a direction parallel to the metallic webs. The proposed polarization filter can be produced with a CMOS process with high reliability, in particular for the visible spectral range, even over a larger area.

Abstract: A gaze-controlled interface system for enabling a user to interact with an electronic visual work presented on an electronic display screen. The system has an electronic display screen configured to present the electronic visual work and an eye gaze tracker configured to sense the user's gaze position on the display screen and generate representative gaze signal. A processor receives and processes the gaze signal to enable the user to interact with the electronic visual work based on gaze.

Abstract: A computer implemented method for instantiating a process in a process modelling system may include modelling the process as a process model, said process model comprising process objects and automatically transforming the process model into a meta model, said meta model comprising the process objects of the process model as definitions of process object types in said meta model. Further, a process modelling system and a non-transitory computer readable media containing a computer program for performing said method are provided.

Abstract: At least one embodiment of the present invention is directed to a method and/or an apparatus for automatically providing a common modelling pattern as a function of a plurality of stored process models. The common modelling patterns are identified according to three substeps, namely semantic annotation, extraction of pattern based description and composite process pattern mining. The detected common modelling patterns serve as best practice candidates as regards process engineering. At least one embodiment of the present invention finds application in a variety of domains being related to process management, such as process design, process mining and semantic process planning.

Abstract: An apparatus with two pairs of lines including a first and second channel further includes a phantom channel that is implemented to provide a third channel without physically installing lines. Based on a differential signal, a first common-mode signal level is generated at a first output of a differential amplifier circuit, and a second common-mode signal level on a second output, and the first common-mode signal level is applied to the lines of the first pair of lines and the second common-mode signal level to the lines of the second pair of lines. An extraction circuit is implemented to extract common-mode portions on the lines of the first pair of lines and the lines of the second pair of lines.

Abstract: A pressure store includes a housing (2) having a first sub-chamber (8) arranged between the housing (2) and a flexible separating diaphragm (40), a second sub-chamber (54) arranged between the separating diaphragm (40) and a supporting body (48), and a third sub-chamber (28) encompassed by the supporting body (48). The first sub-chamber (8) can be filled with a first fluid. The second sub-chamber (54) and the third sub-chamber (28) are connected to one another in fluid-conducting fashion and can be filled with a second fluid. The first and the second sub-chambers (8, 54) vary in respective sizes as a result of movements of the separating diaphragm (40) as a function of the respective filling state. The first fluid is a storage medium and the second fluid is working medium. The second sub-chamber (54) is increased in size during the extraction of storage medium from the pressure store and is reduced in size during the filling of the pressure store with storage medium.

Abstract: A method for calibrating the colour of a colour monitor with LED backlighting includes at least one area of an image displayed on the colour monitor (1) remotely measured in a spatially resolved manner using a colour sensor (7) configured as an image or line sensor. Deviations of measured colour values from desired colour values are determined in a spatially resolved manner and LED backlighting of the colour monitor (1) is actuated for local correction of the deviations. When the colour sensor (7) is integrated into the remote control (2) of a colour television, the user aims the remote control (2) at the television, and the colour sensor (7) records a test image (3) of the colour television and evaluates it to determine colour corrections. The method makes it possible for the colour of a colour television to be calibrated ex works or in the user's home.

Abstract: A device for the pulsed release of an amount of fluid stored in a storage housing (2) has a locking device (7) formed by a piston-cylinder arrangement (8). The arrangement has a cylinder housing (9) subdivided into a first working chamber (11) and a second working chamber (12) by a working piston (10). An electrorheological or magnetorheological valve (14) in the form of a gap (15) or an opening is arranged between the working chambers (11, 12) in the circumference (13) of the working piston (10) or in the working piston (10).

Abstract: A device for the pulsed release of an amount (3) of fluid that is stored in a storage housing (2) includes a piston (5) biased by a first spring (4) and movable within the storage housing (2) to dispense the fluid by the spring bias, when triggered by an actuator (6) to release a lock holding the piston in place (7). The lock (7) has individual catches (8) keeping the piston (5) in its pretensioned position and, when actuated by the actuator (6), releases the piston (5).

Abstract: The present invention relates to an optical bandpass filter system that has at least one combination of a bandpass filter that provides a first nanostructured metallic layer (4) and a bandstop filter comprising a second nanostructured metallic layer (7), which are arranged one behind the other, and the layer thicknesses of which are different. The bandstop filter is tuned to the bandpass filter in such a way that it blocks a contiguous wavelength range that partially overlaps a pass-band width of the bandpass filter. With the suggested optical filter system it is possible to create various filter characteristics side by side in a small space with a small pass-band width.

Abstract: The invention relates to a hydraulic accumulator, comprising an accumulator housing (1), in which a bellows (21) having a selectable number of pleats (23) forms a mobile separation element between the gas side (25) and the fluid side (13), characterized in that a distancing device (33) is provided arranged inside the accumulator housing (1), and is fluidically connected to the inside of the bellows (21) or abuts to the bellows (21), thus forming an additional medium chamber.

Abstract: A hydraulic accumulator has a first housing shell (2) and a second housing shell (3). The opening edges (5, 6) of the shells overlap in relation to the longitudinal axis (4) of the hydraulic accumulator (1) such that they define a partial volume of the hydraulic accumulator (1). The accumulator also has a separating element (7) separating inner working chambers (9, 10) from each other within the accumulator housing (8) in a medium-tight manner. The housing is formed by the housing shells (2, 3). The opening edge (5) of the radially outer-lying housing shell (2) is positively coupled to the circumference of the radially inner-lying housing shell (3) by reshaping.

Abstract: The present invention is directed to a cutter knife body having a grip portion, wherein the grip portion comprises a trigger lever, a cutting blade provided on an end of the cutter knife body, a pin rotatably supporting the cutting blade in the cutter knife body, a locking member placed in an opening formed in the cutter knife body, and a pair of cutting blade protector flanges, each protector flange being disposed on a side of the cutting blade, wherein each of said pair of cutting blade protector flanges has an outward protrusion from a surface of the flange, the grip type cutter knife characterized by further comprising: a pair of springs located between the pin and each of the outward protrusion. from the flange surface, wherein the pair of flanges is slidably supported in the cutter knife body by the pin and the pair of springs.

Abstract: A computer implemented method for instantiating a process in a process modelling system may include modelling the process as a process model, said process model comprising process objects and automatically transforming the process model into a meta model, said meta model comprising the process objects of the process model as definitions of process object types in said meta model. Further, a process modelling system and a non-transitory computer readable media containing a computer program for performing said method are provided.

Abstract: An apparatus and a method for automated semantic annotation of a process model having model elements named by natural language expressions, wherein said apparatus comprises at least one semantic pattern analyzer which analyses the textual structure of each natural language expression on the basis of predefined semantic pattern descriptions to establish a semantic linkage between each model element to classes and instances of a reference process ontology for generating a semantically annotated process model.

Abstract: The invention relates to a hydropneumatic piston/cylinder arrangement, in particular for use as a spring element and/or shock absorber element, comprising a cylinder (1) and a piston (15) which is axially movable in the cylinder chamber (5) of said cylinder, the cylinder chamber being tilled with hydraulic fluid. The piston (15) is connected to a piston rod (13) which extends outwards in a sealed manner from one end of the cylinder (1), and the base of said piston, which is remote from the piston rod (13), can he operatively connected to a pneumatic spring mechanism (7) in order to convey fluid. Said piston/cylinder arrangement is characterised in that a piston accumulator (7), the accumulator piston (19) of which directly adjoins the hydraulic fluid situated in the cylinder chamber (5), is provided as the spring mechanism.