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Search results for: implantable assist device
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Clinical effectiveness of primary prevention implantable cardioverter-defibrillators: results of the EU-CERT-ICD controlled multicentre cohort study
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Miniaturization and Automation of an Internally Cooled Coated Fiber Device
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Analysis of the Electronic Device Exploitation Process – Research Results
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Adaptive acoustic crosstalk cancellation in mobile computer device
PublicationThe cancellation of acoustic crosstalk is employed to enhance the stereo image in mobile listening conditions. A practical setup employing a mobile computer is employed. The adaptation of the crosstalk cancellation filter to the position of the listener's head is featured. The measurement evaluating the possibility of practical application of the method are described. The head and torso simulator was used for measurements. The...
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Using wearable device for biomedical signal acquisition and processing
PublicationIn this paper we present the research conducted on synchronous measurements of biosignals. The experiment was conducted to evaluate the possibility of estimating vital signs based on eye tracking. Method: The eGlasses platform was used for acquisition of ECG, respiration rate, eye and pupil movement and blood pressure. Data were acquired in three 5 min. intervals during which a subject was performing certain tasks. The signals...
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Atlantic sturgeon Acipenser oxyrinchus and alien sturgeon species in Polish waters: can biometric analysis assist species discrimination and restoration?
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Embedded device for indoor positioning of mobile terminals in ISM 2.4 GHz frequency band integrated with ESPAR antenna
PublicationIn the era of multifunctional mobile phones, wireless positioning is one of the most important branches of telecommunications development. This functionality is possible thanks to global positioning systems such as GPS, whose services are available to every average user. Global systems, however, suffer from their low accuracy in confined environments such as forests and building interiors. A popular...
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A Method and Device for 3D Recognition of Cutting Edge Micro Geometry
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A Method of Lathe Checks Measurement; SMOF device and its software
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A New Technique of Spine Disease Treatment Supported by ADRSK1 Device
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A Method and Device for 3D Recognition of Cutting Edge Micro Geometry
PublicationA very useful method was successfully applied in the investigation of tools for machining wood and wood based composites. It allows scanning of the cutting edge micro geometry in three dimensions and reproducing it in a virtual space as a 3D surface. The application of the method opens new possibilities of studying tool wear by scanning, including the calculation of volume loss and other analysis of tool wedge geometry along and...
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Rehabilitation device supporting active and passive upper limb exercises
PublicationThis article presents a mechatronic solution for rehabilitation devices supporting active and passive exercises in persons with motor dysfunctions of the upper limbs in the area of the elbow and shoulder joints. A planar positioner integrated with original software and a control system, served as the basis for creating the present solution. Bellman’s programming method was applied to optimize the motion trajectory of the planar...
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Synthesis and hydrogen evolving catalysis of a panchromatic photochemical molecular device
PublicationA dinuclear hydrogen evolution photocatalyst [(tbbpy)2Os(tpphz)PtI2](PF6)2 (tbbpy = 4,4′-tert-butyl-2,2′-bipyridine; tpphz = tetrapyrido[3,2-a:2′,3′-c:2′′,3′′-h:2′′′,3′′′-j]phenazine) is synthesized in order to make use of the broader range of visible light absorption mitigated by the osmium center. In a first step, the activity of the complex for hydrogen evolution is investigated by evaluating the role of different electron donors...
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A pilot study with flow mediated skin fluorescence: A novel device to assess microvascular endothelial function in coronary artery disease
PublicationBackground: Endothelial dysfunction is one of the earliest vascular manifestations in the pathogenesis of cardiovascular disease. Noninvasive, simple and inexpensive methods of endothelial function assessment are therefore needed. Methods: Microvascular endothelial function was assessed in coronary artery disease (CAD) patients by flow mediated skin fluorescence (FMSF), based on measurements of NADH fluorescence intensity during...
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DESIGN OF THE DUAL CONSTELLATION GPS/GALILEO MOBILE DEVICE FOR IMPROVING NAVIGATION OF THE VISUALLY IMPAIRED IN AN URBAN AREA
PublicationIt is well known by users of Personal Navigation Device (PND) and other GPS-based devices that positioning suffers from (local) significant decreases of accuracy in partially obscured environments like urbanized areas, where buildings (especially high buildings), trees or terrain block large portions of the sky. In such areas, GPS receiver performance is usually deteriorated by the reduced number of currently available satellite...
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Spectroscopic and microscopic study of Prussian blue film for electrochromic device application
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Operation of an ultra short fuse shunted by a semiconductor device: simulation and experiments.
PublicationW artykule przedstawiono ideę działania i wymagane cechy ultraszybkiego bezpiecznika w ograniczniku hybrydowym z równoległym elementem półprzewodnikowym. Eksperyment i modelowanie działanie bezpiecznika przeprowadzono dla spodziewanego prądu zwarciowego 2 kA. Symulacje wykonano przy użyciu programu polowego FLUX. Jego zastosowanie do modelowania ultrakrótkich bezpieczników zostało również przedstawione.
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Survey of patient and physician assessment of a compliance reminder device in the treatment of hypertension
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Mechanical chest compression with the LifeLine ARM device during simulated CPR
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Modular Ceramic-Polymeric Device for Analysis of Selected Elements in Liquid Using Microplasma
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Pointing device for elders with low cost and mixed manual-gaze control interface
PublicationW artykule przedstawiono projekt interfejsu pozwalającego na zastąpienie standardowej myszki komputerowej sterowaniem wzrokowym, z nieznacznym manualnym wspomaganiem. Manualne wspomaganie ma na celu korekcję współrzędnych kursora.
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Evaluation of Sound Enhancement in Mobile Device Using Virtual Bass Synthesiss Algorithm
PublicationAn experiment conducted to validate possibility of use virtual bass synthesis (VBS) algorithm in a portable computer is presented. The subjective listening tests based on the procedure of pairwise comparison between VBS, based on the so-called missing fundamental phenomenon, and standard bass boost technique are employed. The evaluation was carried out in two types of conditions: in a professional listening room and employing an...
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Numerical Analysis of Magnetic Core Properties Influence on Residual Current Device Behaviour
PublicationW artykule przedstawiono analizę wpływu kształtu prądu w uzwojeniu pierwotnym transformatora prądowego na pracę przekładnika różnicowo-prądowego. Przeprowadzono obliczenia symulacyjne dla wymuszenia o kształcie sinusoidy i sinusoidy wyprostowanej dla częstotliwości 50 Hz. Wzięto pod uwagę dwa typy charakterystyki magnesowania transformatora: dla materiału magnetycznie miękkiego i materiału o prostokątnej pętli histerezy. Analiza...
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Assessment of the Reliability of Wind Farm Device on the Basis of Modeling Its Operation Process
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Effect of Sieve Unit Inclination Angle in a Rotary Cleaning Device for Barley Grain
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The Application of a Mobile Unmanned Device for Monitoring Water and Sediment Pollution in the Port of Gdynia
PublicationPollution in the Port of Gdynia can encompass various types of substances and contaminants that affect the quality of water and sediment in this region. Ships entering and leaving the port can release pollutants such as oil, fuel, waste, and chemicals into the water. Controlling and monitoring these pollutants is a crucial part of environmental stewardship. In recent years, uncrewed units have been increasingly in use for in situ...
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Sensitivity of personalized ventilation air terminal device geometry with regard to a human thermal sensation
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Optimal selection of the sawdust separation device for a narrow-kerf sawing machine PRW15-M
PublicationW pracy przedstawiono granulometryczną analizę rozkładu wiórów i pyłu drzewnego otrzymanego w procesie przecinania suchych pryzm sosnowych na pilarce ramowej wielopiłowej PRW15-M. Wielkości wiórów mieściły się w granicach od 84,7 μm do nawet 14 mm. Te ostatnie są elementami będącymi efektem rozszczepiania dolnej powierzchni pryzmy przez wychodzące z niej ostrza piły. Większośc wiórów z najmniejszych frakcji ma postać sześciennych...
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Numerically efficient algorithm for compact microwave device optimization with flexible sensitivity updating scheme
PublicationAn efficient trust-region algorithm with flexible sensitivity updating management scheme for electromagnetic (EM)-driven design optimization of compact microwave components is proposed. During the optimization process, updating of selected columns of the circuit response Jacobian is performed using a rank-one Broyden formula (BF) replacing finite differentiation (FD). The FD update is omitted for directions sufficiently well aligned...
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A Generalized SDP Multi-Objective Optimization Method for EM-Based Microwave Device Design
PublicationIn this article, a generalized sequential domain patching (GSDP) method for efficient multi-objective optimization based on electromagnetics (EM) simulation is proposed. The GSDP method allowing fast searching for Pareto fronts for two and three objectives is elaborated in detail in this paper. The GSDP method is compared with the NSGA-II method using multi-objective problems in the DTLZ series, and the results show the GSDP method...
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A concept of drive and control system of a novel device for people evacuating from large passenger ships
PublicationRosnąca z roku na rok liczba oraz wielkość i szybkość pasażerskich statków morskich wymusza szukanie nowatorskich lub doskonalenie dotychczasowych metod bezpiecznej ewakuacji ludzi z tak dużych obiektów. W artykule zaprezentowano koncepcję jednej z takich oryginalnych metod, w której między innymi, zastosowano wyciągi łańcuchowe do utrzymywania na czas rejsu oraz do opuszczania w razie ewakuacji łodzi ratunkowych. Przedstawiono...
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A concept of pusher - barge coupling device of two-segment ship for inland waterways and coastal service
PublicationW artykule przedstawiono założenia projektowe i koncepcję rozwiązania konstrukcyjnego oraz napędu i sterowania urządzenia sprzęgającego pchacz i barkę dwusegmentowego statku śródlądowego i przybrzeżnego. Zaprezentowane urządzenie umożliwia zarówno sztywne połączenie, jak i wzajemne kontrolowane wychylanie obu segmentów względem siebie, co w znacznym stopni zwiększa manewrowość, a tym samym bezpieczeństwo żeglugi, zwłaszcza na wąskich...
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Device characteristics extraction by low frequency noise measurements; Someresults on the state-of-the-art MOSFET´s
PublicationPrzedstawiono wyniki pomiarów i analizy szumów tranzystorów MOSFET z izolatorem bramki wykonanym z SiO2 i HfO2. Wyniki pomiarów wykorzystano do oszacowania gęstości aktywnych stanów na powierzchni użytego tlenku i porównano z wynikami otrzymanymi metodą charge-pumping.
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The Effects of the “Sling Shot” Device on Bench Press Performance, Mechanical Properties of Muscle, and Movement Kinematics
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The impact of an electronic monitoring and reminder device on patient compliance with antihypertensive therapy: a randomized controlled trial
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An integrated hydraulic drive system of a novel device for launching lifeboats from large passenger ship
PublicationArtykuł przedstawia zintegrowany układ napędu i sterowania hydraulicznego systemu ewakuacyjnego składającego się z wyciągu łańcuchowego z zamocowanymi na nim łodziami ratunkowymi oraz furto-rampy rufowej. Zastosowana tu furto-rampa z elementem wypornościowym umożliwia zwiększenie jej funkcji do samoczynnego dostosowania kąta jej wychylenia roboczego w przypadku znacznego przegłębienia statku na dziób. Przedstawiony układ hydrauliczny...
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Compression and Fatigue Testing of High-Strength Thin Metal Sheets by Using an Anti-Buckling Device
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Impact of a CPRMeter feedback device on chest compression quality performer by nurses: A randomized crossover study
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A pilot study of mechanical chest compression with the LifeLine ARM device during simulated cardiopulmonary resuscitation
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Effect of Sieve Drum Inclination Angle on Wheat Grain Cleaning in a Novel Rotary Cleaning Device
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Analysis of the Sieve Unit Inclination Angle in the Cleaning Process of Oat Grain in a Rotary Cleaning Device
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Development of the Mobile PoC Graphene-Based Biosensing Device Using Electrochemical Impedance Spectroscopy (EIS)
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Rituximab biosimilar and reference rituximab in patients with previously untreated advanced follicular lymphoma (ASSIST-FL): primary results from a confirmatory phase 3, double-blind, randomised, controlled study
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Ceramic atmospheric pressure micro glow discharge device with evaporating liquid flowing cathode for analytical purposes
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Impact of the “Sling Shot” Supportive Device on Upper-Body Neuromuscular Activity during the Bench Press Exercise
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Grating Resonances on Periodic Arrays of Sub-wavelength Wires and Strips: From Discoveries to Photonic Device Applications
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INDUSTRIAL CLUSTERS AS A DEVICE OF STIMULATION OF COOPERATION AND INNOVATION OF SMALL AND MEDIUM-SIZED ENTERPRISES IN THE AREA OF BIO-ECONOMY
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Long-term effects of device-guided slow breathing in stable heart failure patients with reduced ejection fraction
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Opto-Electrochemical Sensing Device Based on Long-Period Grating Coated with Boron-Doped Diamond Thin Film
PublicationThe fabrication process of thin boron-doped nanocrystalline diamond (B-NCD) microelectrodes on fused silica single mode optical fiber cladding has been investigated. The B-NCD films were deposited on the fibers using Microwave Plasma Assisted Chemical Vapor Deposition (MW PA CVD) at glass substrate temperature of 475 ºC. We have obtained homogenous, continuous and polycrystalline surface morphology with high sp3 content in B-NCD...
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Effect of electrode resistance on admittance spectra of planar organic device carrying SCLC and on charge carrier mobility extracted from susceptance
PublicationThe work presents small signal admittance spectra of a sandwich system with thin organic layer carrying a space charge limited current. The effect of series resistance of electrodes on the spectra is discussed. Spectra of small signal capacitance are added to get more detailed insight. The analysis performed shows that the series resistance can affect both parts of small signal response within a whole range of frequency. Moreover,...