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48results about How to "Out of operation" patented technology

High efficiency microwave amplifier

ActiveUS7863984B1Reduce harmonicReduces undesirable radiofrequency interferencePush-pull amplifiersPhase-splittersLinear regionEngineering
Disclosed is an apparatus and method for operating a microwave amplifier with improved efficiency and reduced harmonic emissions. The disclosed amplifier includes a variable rail voltage supply and a variable input drive stage. A controller continually monitors the amplifier output and adjusts the rail voltage and input drive signal to achieve high efficiency and low harmonic emissions. The amplifier may include a dynamic bias controller configured to operate the gain elements outside the linear region. Efficiencies of over 70% may be achieved by the disclosed amplifier.
Owner:TYCO HEALTHCARE GRP LP

Scanning charged particle microscope

The present invention sets out to provide a scanning charged particle microscope equipped with a rapid control function capable of extrapolating an in-focus point from image information for a single frame and an automatic focusing system capable of reliably and precisely carrying out a focusing operation for a horizontal pattern image. The automatic focusing system provided in the scanning charged particle microscope of the present invention is provided with means for changing a focal point each raster scan line, and control means for comparing image information each scanning line and extrapolating focusing positions. The scanning line can then be made to be an inclined scanning line that is a combination of a horizontal component and a vertical component with respect to a chip array on a semiconductor wafer. Further, a method is adopted comprising a first step of reliably taking in a coarse in-focus point and a second step of detecting the in-focus point with a high degree of precision.
Owner:SII NANOTECHNOLOGY INC

Differential readout from pixels in CMOS sensor

ActiveUS7375748B2Minimizes substrateMinimizes other common mode noiseTelevision system detailsTelevision system scanning detailsCMOS sensorNear neighbor
The present invention provides an improved pixel readout circuit that compensates for common mode noise during a read out operation. This is accomplished by using a differential readout of the signal and reset value from the desired pixel compared with the reset value from a reference pixel. In this manner common mode noise can be offset and therefore minimized. In one embodiment of the invention, the reference pixel is the nearest neighbor pixel in the same row. In another embodiment, the reference pixel is the nearest neighboring pixel in a different row.
Owner:APTINA IMAGING CORP

System and Methods for Preparation of Adipose-Derived Stem Cells

A device that allows for either fat graft preparation or cell fraction harvest is disclosed. The device includes a first centrifuge tube configured to receive and process a biological substance, the first centrifuge tube comprising an upper cylindrical portion and a lower conical portion, a sterile tissue inlet fitting, at least one sterile processing fluid inlet fitting, a sterile suction fitting, and at least one sterile extraction port connected to a first extraction tube. The first centrifuge tube further includes an internal space including a screen being positioned therein, the screen being configured to divide the internal space in half, and a filter positioned therein, the filter being positioned below the screen in the lower conical portion of the first centrifuge tube. The device may further include a second centrifuge tube configured to receive and further process the biological substance from the first centrifuge tube. The second centrifuge tube has at least one sterile fitting, wherein the second centrifuge tube is releasably connected via the at least one sterile fitting to one of the at least one sterile extraction ports of the first centrifuge tube.
Owner:JOINTECHLABS

Support fixture

In a fixture for supporting a workpiece in a machine tool by means of two support elements held in a housing with the workpiece lying on them, the support elements are configured as levers held in a rotating mounting in the housing, the levers being driveably connected together by means of a threaded spindle. The threaded spindle has counter-rotating thread sections in areas corresponding to the support elements, and each of the counter-rotating thread sections of the spindle engage in a sliding block, the sliding blocks being rotatably mounted in holes in the support elements. The threaded spindle is provided with a device for locking the support elements in a set operating position. The two support elements are jointly adjustable and lockable, so that they can be set and readjusted within a short time and in a manner so that production inaccuracies are precluded.
Owner:WFL MILLTURN TECH
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