摘要:
There is provided a leg prosthesis, comprising a thigh portion (1) and a lower leg portion (2) both being connected by a knee joint (3), said knee joint (3) comprising a damping element (6) for controlling the knee joint movement, and means (S1) for detecting the knee angle and means (S4-S7; S8, S8′, S9, S9′) for detecting the force acting on the prosthesis; and a control unit for controlling said damping element (6) as a function of the detected values of said knee angle and said force; and an adjustment device (10) adjusting the control of said damping element according to the type of gait and as a function of detected values of said knee angle and said force.
摘要:
A device and a method for remote maintenance of an electronically controllable prosthesis (1) are provided. The prosthesis comprises a controller in which operating and/or movement data characterizing the prosthesis are detected and are then transmitted to a remote maintenance device (20) with a storage and evaluation unit (20). Remote maintenance of the prosthesis using the detected data is possible via a remotely located remote control unit (23) that can access the storage and evaluation unit via the telephone network. Corrected operational data are transmitted from the storage and evaluation unit (20) back to the controller of the prosthesis.
摘要:
The invention relates to a device and method for measuring the density of a plasma by determining an impulse response to a high-frequency signal coupled into a plasma. The density, electron temperature and/or collision frequency as a function of the impulse response can be determined. A probe having a probe head and a probe shaft can be introduced into the plasma, wherein the probe shaft is connected to a signal generator for electrically coupling a high-frequency signal into the probe head. The probe core is enclosed by the jacket and has at its surface mutually insulated electrode areas of opposite polarity. A balun is arranged at the transition between the probe head and an electrically unbalanced high-frequency signal feed to convert electrically unbalanced signals into balanced signals.
摘要:
A device for acquiring information that is contained in a phosphor layer which includes a light source (2) for irradiating and exciting the phosphor layer (1) to produce emission light (4) containing the information, a detector (6) for acquiring the emission light (4) produced in the phosphor layer (1) and a filter device (8), which is arranged between the phosphor layer (1) and the detector (6) and/or between the phosphor layer (1) and the light source (2). To increase the reliability in the acquisition of the emission light (4), the filter device (8) includes at least two filter elements structured as absorption filters and joined to each other.
摘要:
The contaminated soil is first treated by spreading a nutrient for aerobic microbial flora of the N/P type in oleophilic form, then by the addition of straw and of a hydrophilic nutrient of the N/P/K type which are buried by mechanical mixing. A biological process takes place which brings the hydrocarbon content below 500 mg/kg of soil after some months. The oleophilic nutrient N/P is preferably a microemulsion of a solution of N/P salts in a fat-soluble hydrocarbon solvent.
摘要:
A dielectric antenna (1) having at least one supply element (2) and at least one lens (3) formed of a dielectric material. The dielectric antenna makes it possible to measure the surface of a medium with an essentially consistent measuring accuracy in that the lens (3) has an outer component (4) and an inner component (5). The outer component (4) has a radiating surface (6) that is spherical and an inner surface (7) that is spherical, and the inner component (5) has a contact surface (8) that spherical. Furthermore, the antenna is usable as part of a fill level sensor operating on the radar principle.
摘要:
An actuator for a speed governor of an elevator system includes a governor wheel equipped with at least two flyweights. The governor wheel can be driven by a governor cable looped around it. An actuator wheel is stationary in a basic position. A coupler engages the actuator wheel when the governor wheel attains an actuation speed and thus couples with the governor wheel so that the actuator wheel is caused to rotate. An elastic material, preferably transmitting a high degree of friction, is provided between the coupler and the actuator wheel. The actuator wheel has a lining or tyre of the elastic material and/or the coupler is equipped with the elastic material.
摘要:
A microscope (10) is disclosed, having a revolving nosepiece (12) on which are mounted multiple objectives. The objectives (11) comprise multiple components 211, . . . 21n). A light-intensity-reducing layer (40) is applied onto at least one component of an objective. The light-intensity-reducing layer (40) is configured in such a way that for each objective introduced into the illumination beam path, the brightness behind it is of the same magnitude.
摘要:
A variable pressure reusable sensor has a first jaw having a first hinge and an emitter and an opposing second jaw having a second hinge and a detector. A pin is disposed through the first and second hinges so as to rotatably attach the first and second jaws. The jaws are adapted to attach to a tissue site so that the emitter transmits optical radiation into the tissue site and the detector receives optical radiation after absorption by the tissue site. A spring having a plurality of legs is disposed around the pin and configured so that the legs apply force to the jaws. A tensioner is disposed proximate at least one of the jaws and configured to variably position at least one of the legs so as to adjust pressure exerted by the jaws on the tissue site.
摘要:
A closing device, particularly for closing channels conducting pressure medium in a valve receiving body, has a rotationally symmetrical closing element (6) that is fastened in a seating bore (1) of a housing (14), having a calking site (2) that is provided on the circumference of the closing element (6) and that permanently fixes the closing element (6) in the housing (14) as a result of the plastic displacement of housing material. The seating bore (1) includes a transition area in the form of a bore step (4) between the calking site (2) and a centering cone surface (3). The bore step is recessed into the seating bore (1) by the plastic displacement of the housing material in the form of a bulge surrounding the closing element (6).