Students Corner

The Digital Transmission Content Protection (DTCP) defines a cryptographic protocol for protecting audio /video entertainment content from illegal copying, intercepting and tampering as it traverses high performance digital buses, such as the IEEE 1394 standard. DTCP ensures that the copy protection mechanism is built into Digital Audio/Video devices themselves (in addition to Traditional Encryption). This seminar will outline the basic principles of cryptography; and tells us about the cryptographic functions used in it. It will briefly look at the IEEE1394 standard where it is being implemented. This seminar will nevertheless discuss DTCP including different layers of copy protection and some implementation aspects. This seminar also provides a case study of typical use of content protection in Digital TV and Digital VCR implementation. A product solution could include hardware and software implementation for the Digital Transmission Content Protection mechanism
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Electronic paper (E-paper) is a portable, reusable storage and display medium that looks like paper but can be repeatedly written on (refreshed) by electronic means , thousands or millions of times. E-paper will be used for applications such as e-books, electronic newspapers, portable signs, and foldable, rollable displays. Information to be displayed is downloaded through a connection to a computer or a cell phone, or created with mechanical tools such as an electronic "pencil”. The Electronic Paper Display is reflective and can be easily read in bright sunlight or dimly lit environments while being able to be seen at virtually any angle - just like paper. Its black and white ink-on-paper look gives an appearance similar to that of the most widely read material on the planet newspaper. The unique technology results in a compact and lightweight form factor allowing it to be ideal for highly portable applications. This seminar aims to throw light on the different technological approaches working toward the complete realization of the E-paper concept.
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In the development of packaging of electronics the aim is to lower cost, increase the packaging density, and improve the performance while still maintaining or even improving the reliability of the circuits. Flip chip microelectronic assembly is the direct electrical connection of face-down electronic components onto substrates, circuit boards, or carriers, by means of conductive bumps on the chip bond pads. Flip chip is also called Direct Chip Attach (DCA), since the chip is directly attached to the substrate, board, or carrier by the conductive bumps. Flip chip has advantage in size, performance, flexibility, reliability, and cost over other packaging methods. There are three stages in making flip chip assemblies: bumping the die or wafer, attaching the bumped die to the board or substrate, and, in most cases, filling the remaining space under the die with an electrically non-conductive material. Several varieties of flip chip assembly are solder bump, plated bump, gold stud bump, and adhesive bump suit flip chip which are used in a wide range of applications.Read more..
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It’s quite natural that new technologies are emerging from time to time. The technology leader should not be backward in this process. Intel has been showing its leadership by developing new and new technologies like processors. This time Intel shows its power by the development of a new chipset series. Chipsets are not always cared by everyone. All focus on the Processors. But a processor without a good chipset to support its capabilities is not of full use. Here Intel makes a breakthrough by the development of new 9XX series chipsets. This seminar talks on the new chipsets of Intel, the 9XX series. The seminar discuss the breakthrough capabilities of the new Chipsets, The PCI Express Bus, The Graphics Media Accelerator 900, The Matrix storage technology, Intel High Definition Audio etc with a focus on the PCI Express Bus. It is because of the fact that there is no merit gained by using a very fast processor and fast memories or graphic cards with a slow interconnect between them. There PCI Express Bus comes into play.Read more..
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Locating The Mobile user has become one of the growing demands of the mobile industry. In USA a law has been passed known as E-911(Enhanced 911) which states that the network provider should provide the location information of the mobile user to the operator of emergency call 911 if he gets a call. Besides there are other advantages to the user like he can know and demand services that are available at his current location by using cellular geo-location technique. Various technologies has been developed in this field. Some of the methods are those based on Signal Strength, Angle Of Arrival Of the signal, Time Of Arrival and Assisted GPS.The choice of any method depends on the level of accuracy needed and cost of implementation and use. The seminar includes an overview of the different location methods their advantages and disadvantages, and the error possibilities associated with them.
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Handwritten digit recognition is the process of recognizing and classifying handwritten digits without human interaction. Its application field is very wide, for example Postal code recognition (Automatic sorting of mail by destination ZIP code), Digitizing hand written spreadsheets, tax forms etc. Patterns slightly shifted, distorted and even overwritten can be correctly recognized. Neural network aids in efficient recognition. A Multilayer Neural network trained with “Backpropagation “algorithm is used. Kirsch masks are adopted for extracting feature vectors and a multi layer clustered neural network is used for classifying numerals efficiently. The neural network will be trained with a database consisting of handwritten digits provided by writers of various ages with many different sizes and writing styles. Numerals poorly drawn or cannot be classified are rejected. A very high recognition rate, even above 90% could be obtained while using neural network.
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