Patent application number | Description | Published |
20100098126 | CO-EXTRUDED MULTILAYER POLYMERS FILMS FOR ALL-POLYMER LASERS - A polymer film laser is provided that comprises a plurality of extruded polymer layers. The plurality of extruded polymer layers comprises a plurality of alternating dielectric layers of a first polymer material having a first refractive index and a second polymer material having second refractive index different than the first refractive index. | 04-22-2010 |
20100143709 | CONFINED CRYSTALLIZATION MULTILAYER FILMS - A multilayer film includes an extruded first polymer layer confined between extruded second polymer layers. The first polymer layer includes a high aspect ratio crystalline lamellae. The multilayer film is substantially impermeable to gas diffusion. | 06-10-2010 |
20100172066 | MULTILAYER POLYMER DIELECTRIC FILM - A multilayer polymer dielectric film includes a coextruded first dielectric layer and second dielectric layer. The first dielectric includes a first polymer material and the second dielectric layer includes a second polymer material. The first dielectric layer and the second dielectric layer defining an interface between the layers that delocalizes charges in the layers. | 07-08-2010 |
20110170570 | CO-EXTRUDED MULTILAYER POLYMERS FILMS FOR ALL-POLYMER LASERS - A polymer film laser is provided that comprises a plurality of extruded polymer layers. The plurality of extruded polymer layers comprises a plurality of alternating dielectric layers of a first polymer material having a first refractive index and a second polymer material having second refractive index different than the first refractive index. | 07-14-2011 |
20110241245 | AXIALLY ORIENTED CONFINED CRYSTALLIZATION MULTILAYER FILMS - A method of forming a confined crystallization multilayer film includes coextruding a plurality of first polymer layers and a plurality of second polymer layer to form a multilayer film wherein each first polymer layer is sandwiched between second polymer layers and axially orienting the multilayer film at a temperature below the melting temperature (T | 10-06-2011 |
20140160623 | MULTILAYER POLYMER DIELECTRIC FILM - A multilayer polymer dielectric film includes a stack of coextruded, alternating first dielectric layers and second dielectric layers that receive electrical charge. The first dielectric layers include a first polymer material and the second dielectric layers include a second polymer material different from the first polymer material. The first polymer material has a permittivity greater than the second polymer material. The second polymer material has a breakdown strength greater than the first polymer material. Adjoining first dielectric layers and second dielectric layers define an interface between the layers that delocalizes electrical charge build-up in the layers. The stack has substantially the crystallographic symmetry before and during receiving electrical charge. | 06-12-2014 |
20140327174 | AXIALLY ORIENTED CONFINED CRYSTALLIZATION MULTILAYER FILMS - A method of forming a confined crystallization multilayer film includes coextruding a plurality of first polymer layers and a plurality of second polymer layer to form a multilayer film wherein each first polymer layer is sandwiched between second polymer layers and axially orienting the multilayer film at a temperature below the melting temperature (T | 11-06-2014 |
Patent application number | Description | Published |
20130009798 | DIGITAL-TO-ANALOG CONVERSION WITH COMBINED PULSE MODULATORS - A digital-to-analog converter includes first and second pulse modulators to generate first and second pulse modulated signals in response to first and second digital values, a third pulse modulator to generate a third pulse modulated signal in response to a third digital value, and a switch/filter circuit to generate an analog signal by combining the first and second pulse modulated signals in response to the third pulse modulated signal. The first and second pulse modulated signals may be low-pass filtered before being combined. In some embodiments, the third digital value may be incremented in a single direction between transitions of the first and second digital values. In some other embodiments, the third digital value may be incremented in opposite directions between alternating transitions of the first and second digital values. | 01-10-2013 |
20130033239 | Means of Providing Variable Reactive Load Capability on an Electronic Load - Embodiments of the invention include an electronic load having variable reactive load capability and techniques for controlling and/or modeling a reactive component in a load. The electronic load can include a user interface through which a latency value is received from a user. A delay is created based on the latency value between the time that a variable of the input signal is sensed and the time that a variable of the input signal is driven to a new value, thereby simulating a reactive component in the electronic load based on the created delay. In one example embodiment, the driven variable can be stepped after the created delay to produce an approximation of a capacitive or inductive element. In another example embodiment, the driven variable can be slewed during the delay period using an arbitrary waveform generator, thereby more accurately simulating the reactive component. | 02-07-2013 |
20140100822 | MULTI-SIGNAL COVARIANCE AND CORRELATION PROCESSING ON A TEST AND MEASUREMENT INSTRUMENT - Embodiments of the invention include methods and instruments for generating covariance and correlation values of two or more signals. The covariance or correlation values are used to compare intervals of interest of the two signals and to produce trigger events based on similarities between the two signals. A reference signal is digitized and stored, and then used as a reference when comparing to a real-time input signal. Mean values of the input signal and the previously stored reference signal are generated so that suitable covariance and correlation values can be generated. Threshold detectors detect when the covariance value and/or the correlation value exceed certain thresholds, which can cause the test and measurement instrument to be triggered. | 04-10-2014 |
Patent application number | Description | Published |
20130303914 | MULTIPLE TRANSDUCER DELIVERY DEVICE AND METHOD - Embodiments of the present invention allow more full characterization of a stenotic lesion by measuring both pressure drop across the stenotic lesion and the size of the vessel lumen adjacent the stenotic lesion, both with sensors delivered intravascularly to the stenotic lesion site. In preferred embodiments, the size (e.g., inner diameter, cross-sectional profile) of the vessel lumen adjacent the stenotic lesion can be measured via one or more intravascular ultrasound transducers. In preferred embodiments, the intravascular ultrasound transducer(s) can be delivered to the site of the stenotic lesion with the same delivery device that carries the pressure transducer(s). | 11-14-2013 |
20140024950 | FIBER OPTIC SENSOR ASSEMBLY FOR SENSOR DELIVERY DEVICE - Methods and sensor delivery devices for monitoring a fluid pressure within a vascular structure, the devices including an elongated sheath sized for sliding along a guidewire, a sensor assembly including a fiber optic sensor, a housing surrounding the sensor, a first cavity between the distal end of the sensor and a distal aperture of the housing, a filler extending from at least the distal end of the housing distally and tapering inward toward the outer surface of the sheath, a second cavity in the filler with an opening at the outer surface of the filler and adjoining the distal aperture of the housing, and an optical fiber. The sensor delivery device may also include an outer layer that partially covers the second cavity with an aperture over the opening of the second cavity. | 01-23-2014 |