49results about How to "Efficiently transition" patented technology

A system, apparatus and method for delaying a signal, such as a high-speed signal are disclosed. A multi-stage delay cell is described in which the amount of delay applied to a signal depends on which stages are activated within the cell. In various embodiments of the invention, noise caused by transitions between various delay times within the cell is reduced by efficiently managing voltage states on each of the stages.

The invention describes an integrated-photonics arrangement, implementable in a multi-guide vertical integration structure composed from III-V semiconductors and grown in one epitaxial growth run, that allows for vertical and lateral splitting of optical signals co- or bi-directionally propagating in the common passive waveguide into plurality of the vertically integrated passive or active wavelength-designated waveguides, therefore, enabling the wavelength-designated waveguides operating in different wavelengths to be monolithically integrated onto the same substrate and connected to the shared passive waveguide. In the exemplary embodiments of the invention, two active wavelength-designated waveguides, each of which either laser or photodetector, are vertically integrated with a common passive waveguide connected to the input / output optical port shared by both operating wavelengths, to form a single-fiber, two-wavelength receiver (both wavelength-designated waveguides are waveguide photodetectors) or transmitter (both wavelength-designated waveguides are edge-emitting semiconductor injection lasers) or transceiver (one wavelength-designated waveguide is waveguide photodetector and the other—edge-emitting semiconductor injection laser). Advantageously to the previous art, the proposed vertical splitting and lateral routing allows for a reduced footprint size while greatly improving design flexibility and / or device performance.

A centrifugal blowing apparatus for reducing flow-induced noise is disclosed. The apparatus includes a blower housing having a scroll section formed about a rotational axis and an exhaust section extending from the scroll section. The scroll section includes an opening defining an inlet configured to draw in air and the exhaust section defines an outlet in fluid communication with the inlet. The scroll section commences with a reduced cross-sectional area defining a cutoff and expands to an increased cross-sectional area. An impeller is disposed in the opening of the scroll section about the rotational axis and includes an outer surface having impeller blades radially disposed thereon. The impeller blades rotate to direct a flow of air from the inlet through the scroll section to the outlet. A plurality of indentations is formed along an inner surface of the scroll section at the cutoff.

In a method for guiding brachytherapy radiation treatment the patient is supported on a table and an MR magnet is brought into the treatment bunker through doors for imaging while the after-loader for the radiation source delivery is stored away in a storage location outside the RF shield. A safety system controls movement of the after-loader and the magnet. Images of the patient obtained while the patient is on the table are used to locate the applicator with respect to the lesion and organs-at-risk. The MR and X-ray compatible patient support table with MR coil integration includes a removable end-extension, which provides pelvic access for applicator insertion.

A device for the treatment of a liquid or gaseous medium, in particular water or air, using UV radiation, comprises a UV radiation source (24), with an axial longitudinal direction and an essentially perpendicular, in particular radial direction of irradiation (R), with several layers of transmissive treatment chambers (K1-K4), serially arranged one on the other in the radiation direction (R), separated from the UV radiation source (24) and from each other by a transparent, UV-transmissive separating layer (T1-T4) which is UV transparent. The chambers, beginning with a first treatment chamber (K1), adjacent to the UV radiation source, form a flow channel for the medium running in the longitudinal direction of the UV radiation source (24), the flow channel emptying (26) into the subsequent treatment chamber (K2, K3, K4) that is at a greater distance from the UV radiation source (24) in the direction of irradiation (R).

A medical device implant made with a shape-memory material is originally produced in a “permanent” configuration. The implant is then “programmed” into a temporary (typically smaller sized) configuration to facilitate implantation, after which, an external stimulus activates the implant to return to its permanent configuration. Apparatus and methods include inserting a first portion of the implant into an aperture of a compression fixture base, heating the implant, and then driving and compressing the remaining portion of the implant, which has a different, typically larger profile than that of the first portion, into the aperture with a compression fixture cover to “program” the remaining portion. The resulting programmed implant has first and remaining portions that have identical, or substantially identical, profiles.