CLINICAL INVESTIGATION Peripheral Facial Palsy. Descriptive Study at the University Hospital in Getafe Alejandra Ayala Mejías‚ José Carlos Casqueiro Sánchez‚ Enrique Durio Calero‚ and Ricardo Sanz Fernández Hospital Universitario de Getafe‚ Getafe‚ Madrid‚ Spain Objective: Our aim is to validate a protocol for the diagnosis and treatment of peripheral facial palsy. Material and method: A cross-sectional and retrospective descriptive study was made of 63 patients diagnosed with facial palsy and
Premium
Abstract This report contains an account of my final year project‚ which was carried out in the two and half year of the Electronic and Electrical of Engineering (EEE) diploma at Institut Teknologi dan Pengurusan Lebuh Victoria. This paper is based on the design and analysis of Heat Sensor with water pump system using cooling fan to reduce the temperature. This project was done to see the operation of heat sensor and how the water pump system and the cooling fan work. This project is divided into
Premium
microcontroller PIC16F684. The microcontroller performs all the necessary tasks during starting‚ warming-up‚ and steady state‚ including closed-loop control of lamp current and protections. The closed-loop control takes into account the lamp dynamical impedance. Experimental results for a 35-W MH lamp are presented‚ and the obtained overall efficiency is 90%. Index Terms—Electronic ballasts‚ metal halide (MH) lamps‚ microcontrollers. I. I NTRODUCTION LECTRONIC ballasts for high-intensity discharge (HID)
Premium Fluorescent lamp
circuits are used in instrumentation. They can operate in either deflection mode or null principle. They give very high degree of accuracy. Bridges Instruments are used to measure • Resistance‚ Inductance‚ Capacitance • Purity of components • Impedances and admittances • Physical parameters Bridge Instruments Types of Bridges • • AC Bridge DC Bridge DC Current Bridge Instruments • Wheatstone bridge and Kelvin Bridge • Used for measurement of resistance • Made sensitive to temperature
Premium Measurement Electrical resistance Electric current
MAHAKAVI BHARATHIYAR COLLEGE OF ENGINEERING & TECHNOLOGY pa ul .c om VASUDEVANALLUR‚ 627758. DEPARTMENT OF ELECTRONICS AND COMMUNICATION ENGINEERING in EC 2354 VLSI DESIGN w w w .R ej TWO MARKS QUESTIONS WITH ANSWER PREPARED BY R.RAJATHI ASSIATANT PROFESSOR DEPT OF ECE MBCET UNIT-I CMOS TECHNOLOGY 1. What are four generations of Integration Circuits? SSI (Small Scale Integration) MSI (Medium Scale Integration) LSI (Large Scale Integration) VLSI (Very Large Scale Integration) 2. Give
Premium
Transistor A transistor is a semiconductor device used to amplify and switch electronic signals. It is made of a solid piece of semiconductor material‚ with at least three terminals for connection to an external circuit. A voltage or current applied to one pair of the transistor’s terminals changes the current flowing through another pair of terminals. Because the controlled (output) power can be much more than the controlling (input) power‚ the transistor provides amplification of a signal. Today
Premium Bipolar junction transistor Transistor Semiconductor
Introduction A PA system that is installed correctly and operates at its optimum level will allow a sound signal to travel from one or more microphones to a mixing console. At the mixing console all signals will be mixed together in the right balance and levels and sent out to an amplifier. The signals are then converted into much larger signals and sent to the speakers creating sound waves for the audience to hear. (Fry‚ 2005) The aim of this report is to analyse by way of reference books
Premium Loudspeaker Microphone Amplifier
Electrical installation handbook Volume 2 3rd edition Electrical devices 1SDC010001D0203 ABB SACE Electrical installation handbook Volume 2 Electrical devices 3nd edition June 2005 Index Introduction ............................................................................................................... 2 1 Standards 1.1 General aspects ............................................................................................. 3 1.2 IEC Standards for electrical
Premium Electricity Electrical engineering Alternating current
BRAINPORT VISION DEVICE By D.KALAIVANI R.PARVATHI DEVI ABSTRACT “BRAINPORT DEVICE” The device which sends visual input through tongue in much the same way that seeing individuals receive visual input through the eyes is called the “Brainport Vision Device”. BrainPort could provide vision-impaired people with limited forms of sight. To produce tactile vision‚ BrainPort uses a camera to capture visual data. The optical information
Premium Visual perception Blindness Sensory system
Vibration Sensors Introduction / Selection Characteristic Flat Frequency Response 20–1‚500 Hz 2–5‚000 Hz Phase Fidelity 2–5‚000Hz Reduced Noise at Higher Frequencies Linearity Mounting in Any Orientation Temperature Limitation EMI* Resistance Mechanical Durability Coil and Magnet Velocity Sensor Piezoelectric Velocity Sensor Yes No Yes Yes Acceptable Excellent No Good Sensor Dependent > +707°F (+375°C) Acceptable Good Yes Good Yes +248°F (+120°C)
Premium Sensor Temperature Frequency