light-emitting diode

Whitepapers

Laser Diode Modelling for Wireless Power Transmission

March 1, 2012 12:00am PST

Wireless power transmission using laser beaming can be realized with arrays of high power semiconductor laser diodes. In this paper, the authors present a complete model for a single power emitter...

Provided by: International Journal of Advances in Engineering & Technology (IJAET)

White Papers

Precise Frequency and Bandwidth Control of Switchable Microstrip Bandpass Filters Using Diode and Microelectro-Mechanical System Technologies

February 22, 2012 12:00am PST

In this paper, two reconfigurable bandpass filters are presented. The first filter is able to switch between WiFi and Universal Mobile Telecommunications System (UMTS) transmit band standards....

Provided by: Institution of Engineering and Technology

Whitepapers

Modeling and Simulation of a Single Phase Matrix Converter With Reduce Switch Count as a Buck/Boost Rectifier With Close Loop Control

January 25, 2012 12:00am PST

This Paper focused on Buck/Boost Rectification by Single Phase Matrix Converter with fewer numbers of switches. The conventional matrix converter consists of 4 bidirectional switches, i.e., 8 set...

Provided by: Interscience Open Access Journals

Blog Post

Five future technologies I can't wait for

January 23, 2012 7:00pm PST

If you think the past two decades have been amazing for tech, wait until you see what's next. See the five hottest technologies that are on the way.

380 Latest comment by NickP2012

Image Gallery

Samsung showcases really smart TVs and Galaxy gadgets (photos)

January 9, 2012 4:10pm PST

At its CES event today, the company highlights TVs with voice and gesture control, a 55-inch OLED model, and new mobile devices like the Galaxy Note, Galaxy Tab 7.7, and new Series 9 notebook.

1

Whitepapers

Implementation of Wavelet Transform-Based Algorithm for Iris Recognition System

January 1, 2012 12:00am PST

The purpose of this paper is to design a system that will capture the iris image and develop a reliable feature extraction algorithm for iris recognition system. The proposed system is a complete...

Provided by: Mapua Institute of Technology

Blog Post

Hottest Cracking Open teardowns of 2011

December 26, 2011 1:33pm PST

Bill Detwiler counts down the top five Cracking Open hardware teardowns of 2011.

4 Latest comment by npiotrowski@...

Whitepapers

Laser Based Optical Transceiver for Data Transfer of Free Space Optical Communication

December 26, 2011 12:00am PST

The setup is based on the concept of free space optical communication. In this paper, communication between PC to PC using LASER light is established. The project uses IC MAX 232, which needs only...

Provided by: EuroJournals

Image Gallery

Quirky ideas rule at Eco-Products 2011 (photos)

December 24, 2011 5:00pm PST

From rickshaws to OLED lights, Eco-Products 2011 in Tokyo was full of bright, unusual ideas.

White Papers

Programmable Logic Controller Based Fibre Bragg Grating In-Ground Intrusion Detection System

December 11, 2011 12:00am PST

In this paper, the authors present an in-ground intrusion detection system for security applications. Here, an optical fibre pressure switch is directly connected to a standard digital input of a...

Provided by: Edith Cowan University

Image Gallery

A snap-in LED light (photos)

October 7, 2011 10:00am PDT

LED light source maker Bridgelux has designed a lighting module that includes the light engine and the driver electronics showing how LED lighting opens up new design possibilities.

Q&A

Power Button light on XPS M1530 running Vista

September 27, 2011 8:59am PDT

Power Button light on XPS M1530 running Vista Power button light on XPS M1530 Vista does not reflect the state of the system, (ie. powered up, standby, etc). It lights up momentarily on power up,...

2 Started by sjamieson@...  |  Latest comment by robo_dev

Whitepapers

Quadrature Axis Flux Modeling in Projected Pole Synchronous Machines Using Regression Techniques and Adaptive Network Fuzzy Inference System

September 24, 2011 12:00am PDT

This paper presents new generalized models for estimating quadrature axis (q-axis) magnetic flux in salient pole synchronous machines. The models are designed such that knowing the direct axis...

Provided by: EuroJournals

Whitepapers

Extended Mobile WiMAX Signal Transmission Over RoF Via Triple Symmetrical Dispersion System SMF, DCF and CFBG

September 15, 2011 12:00am PDT

The main impediments for long distance signal transmission in the fibre optic system, especially the Radio over Fibre (RoF) system, are the chromatic dispersion and signal power attenuation....

Provided by: IARIA

Discussion Threads

Whatâ??s in a Service Management Plan?

August 23, 2011 7:19am PDT

Whatâ??s in a Service Management Plan? article root http://www.chic-goods.com/ Wonderful. Share a website with you , ( http://www.chic-goods.com/ ) Believe you will love it. We accept...

Started by  | 

Whitepapers

Modeling and Designing of a New Indoor Free Space Visible Light Communication System

August 1, 2011 12:00am PDT

Recent developments in solid-state Light-Emitting Diode (LED) materials and devices is driving a resurgence into the use of Free-Space Optics (FSO) for wireless broadband communication. This...

Provided by: Institute of Electrical and Electronics Engineers

White Papers

Enabling Vehicular Visible Light Communication (V2LC) Networks

July 14, 2011 12:00am PDT

Visible Light Communication (VLC) is a fast-growing technology to provide data communication using low-cost and omni-present LEDs and photodiodes. Visible Light Communication (VLC) employs...

Provided by: Association for Computing Machinery

White Papers

Radiation Pattern Behaviour of Reconfigurable Asymmetry Slotted Ultra Wideband Antenna

July 11, 2011 12:00am PDT

This paper presents the results of radiation pattern measurement of small reconfigurable slotted Ultra WideBand (UWB) antennas. The measurements were conducted by using RF measurement and...

Provided by: IARIA

Discussion Threads

Luminous textile

July 6, 2011 10:51pm PDT

Luminous textile It was recently reported that Philips would cooperate with Kvadrat Soft Cells to create an innovative luminous textile by integrating Philips LED lights into Kvadrat Soft Cells...

Started by  | 

Whitepapers

Injection-Locked DFB Laser Diode in Main and Multiple Side Modes

July 1, 2011 12:00am PDT

One Distributed FeedBack (DFB) laser diode with main and multiple side modes injection-locked is proposed and demonstrated. DFB laser diode can be successfully injection-locked not only in the...

Provided by: International Journal of Soft Computing and Engineering (IJSCE)