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ACKNOWLEDGEMENT First and Foremost I Would Like to Thank God Almightly Who Made Possible This Ve Nture

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ACKNOWLEDGEMENT First and Foremost I Would Like to Thank God Almightly Who Made Possible This Ve Nture ACKNOWLEDGEMENT First and foremost I would like to thank God almightly who made possible this ve nture. I would like to express my sincere gratitude to our principal Mr. Sadhasivan for his timely help and Head of the Department of Electronics and communication Engineer ing Mrs. Sheeba M.K who was extremely helpful with her valuable advice, attention an d encouragement through out my seminar. I wish to thank all the teaching and non-teaching staff of Govt. Polytechnic Col lege, Kunnamkulam for their direct and indirect help that they rendered. Finally I ext end my sincere love and regards to my innumerable friends who helped me at every turn t hrough their valuable support and suggestions. CONTENTS 1. INTRODUCTION 2. PROJECTION KEYBOARD 3. VIRTUAL KEYBOARD TECHNOLOGY 4. VIRTUAL DEVICE 5. DIFFERENT VIRTUAL KEYBOARD 5.1 VKB 5.2 CANESTA 5.3 SENSE BOARD TECHNOLOGY 5.4 KITTY 5.5 INFOCUS 6. ADVANTAGES 7. DRAWBACKS 8. APPLICATION 9. CONCLUSION 10. REFERENCE INTRODUCTION Virtual keyboard is just another example of todays computer trend of ‘smaller and faster’. Computing is now not limited to desktops and laptops, it has found its wa y into mobile devices like palm tops and even cell phones. But what has not change d for the last 50 or 80 odd years is the input device, the good old QWERTY keyboar d and the virtual keyboard technology is the latest development The new virtual keyboard technology uses sensor technology and artificial intelligence to let users work on any surface as if it were a keyboard. Virtual keyboard lets you easily create multilingual text content on almost any existing platform and output it directly to PDAs or even WebPages. Virtual keyboard being a small, handy, well designed and easy to use application, turns into perfect solu tion for cross platform multilingual text input. The main features are: platform independ ent multilingual support for keyboard text input, built in language layout and setti ngs, copy/paste etc. operation support just as in a regular text editor, already exis ting system language settings remain intact, easy and user friendly interface and des ign, and small file size. PROJECTION KEYBOARDS The virtual keyboard deveopment has developed an IR light source, image projecti on unit amd a sensor to record hadmovementsin 3D .whenconbined these componets result in a projected keyboard which can be overlayed ona flat surface and then used as a stajndared keyboard,relaying storkes to the hand held device.the chipset is relatively smaller,and can be easily integratec using stndard se rial keyboardinterfaces.It ca n b e rapikly custmised to project keyboard in any form at or language. “mobile and wireless devices have untethred business professionls from their offic e ,yet so much about mobile technology remains the legacy of desktop computing”,so the virtual keyboard developers has been b demonstrating its technology .With important,new wirless applications emerging,a projection keyboard and mouse, ful ly integrated into a pocket sized mobile device, means that mobile professionls wil l finally be able to use these device as easily as thy would a desktop computer an d perhaps leave their laptops at home. Basically projection keyboard made lf light, which heralds an end to t he day of those working on the move having to lug around mumerous gadgets.This pockets sized device plugs into your hadheld and utilizes a three dimemsional .solid st ate, laser imaging system to project a full sized keyboard on any flat surface. The gadget uses tiny cameras to trcck where somebody is putting their fingersin relation to amap of a full sized keyboard , and from there transtlates that movement inot actual data whick is reflected on the hadheld device. Astndalone version of te keyboard woul d cost between us$100 and us$ 150 . It can alos do mouse fuctions so you get the ease of a full sized keyboard,but if appears any where you want to use it . the keyboard is made possible by a tiny sensor fitted with three chips.One to bean the keyboard image the other to pick up the movement of typing fingers .That typing movement interacts with the light and se nds signals to the sensor. VIRTUAL KEYBOARD TECHNOLOGY Virtual keyboard uses sensor technology and artificial intelligents to let user s work on any surface as it it were a keyboard.virtual device have developed a flashli ght seze gadget that projects an imagte of a keyboard on any surface and let’s people input data by typing on the image. This system comprises of three modules 1. the sisor module 2. IR light source 3. The pattern projector VIRTUAL KEYBOARD SENSOR MODULE THE VIRTUAL KEYBOARD sensor module (sm- ck100) serves as the eyes of the virtual keyboards perception chipset and features patent_ pendin g electronic perception technology .it includes an integrated lens that performs all necessar y filtering and focusing fuctions. Making it easy to integrate the module into a final product.woking in conjuction with the virtual keyboard light source, the sm-ck100 enables both keyboard data input and mouse fuctionality without the con fininig limitations of a physical form factor The device defects movement when fingers are pressed down . those movements are measured and the device accurately determines the intended keystrokes and transl ate them into text.ther is set of clips that fit into your had and try to sese the m otion of fingers and hands and translate them into keystrokes.the traslation process also uses artificial inteligece .onece the keystroke has been decoded.it is sent to the pa ortable device either by cable or viawirless. VIRTUAL KEYBOARD IRLIGHT SOURCE Virtual keyboard IR light soure (IR – ck –100) plauys a critcal role in any virtu al keynoad perception chipset . implemetation nby enabling virtual keyboards patnte d electronic perception techbology . themodule collects the Irlaser diosde and all the associated ooptics into a single concise package, madeing it easiy to integerate into a final lproduct .theIRlight souce operates by emitting a beam of infraredlight .T hislight beam is designed to overlap the area onwhich the virtul keyboard pattern proje cter (pp- ck100) displays the keyboard layour so that user’s fingers are illuminated by the imfraredlight beam .thevirtualkeyboardsensormodule (sm-ck 100) detects thefinger movements and the typing activity is resolved into the appropriate keystrikers or mouse act VIRTUAL KEYBOARD PATTERN PROJECT The virtual keyboard patterm projector (pp-ck100) presents the image of the vir tual kekyboard .The projector features awide angle lens so that alarge pattern can be projected from the relatively low elevations assocated with monel device .wh en activated.the pattern projector displays a standard “QWERTY’ keyboard layout into a flat surface such as a desk or the side of a briefcase .the projectod keynboard imalge can then be used it ent rdata into the device such as a cell phone or aPDA .in a efficient and familiar way.The dafacilt projectedkeyboard pattern has been optim ized to improved typing accuracy and include shottkeys for popular applications .To further improve usability ,the virtual pattern projector features adjustable brightnesslevelssotjht bthe man u factures and end users can configure the p attern projucter tonet meet the unique requirment s othe application enviroment and the ir midivudaula preferace. Used wirth smartphones andPDA s,the ukey** provides a practiclaweay to do emai l word processing and spreadsheet tasks,allowing the user to leave the lapltop computers at home .ukey technology has many application in various high tech and industrial sectors . these include data entry and controlpanel application isn h azardous and harish environments and medical markets . Projection keyboards or virtual keyboards claim to provide the conveniace of compactness with the advantages of a full- blown QWERTY keyboard. An interesting use of such keyboard s would be iin sterile environments where silece orlow nois e essential like ina opertion theaters .the advantate of such asystem is tha you d onot meed a surface for typng ,you can even type in the plan air . there is also a pr ovision for a pause fiction to avoid translating extraneous hand movements fuction ,sot hat users can stop to eat drink etc……….. Figure It is also a superior desktop computer keyboard featuring dramatically easier to learn touch- typing and leaving on ehand free formouse of phone .combination key press es (“chords” ) of five main and two extra control keys allows user to typw at 25-60word s perminute,with possibly grater speeds acheved through the use of abbrefiatin expupnsion software .most users,however,will final emorizingt the chords easy an d fun, with the included typing tutorial .the keyboard doesn’t dem and a lot of force,easing strain an swists and digits virtual keynoad socve the problem of so re thuybs that can be c aused by typing on tiny keyboard of various gage its like P DA s and cell phones .They are meant to meet the needs of mobile computer users struggling with cumbersome .tiny or non-existent keyboard .it might help to prev ent RSI injuries. The virtual keyboard uses an exromely durable material which is extremely easly to clean.the vkbinn;t restricted to the QWERTY tuch –typing paradigm,adjustments can be done to the software to fit other toch typint pardigams as well.such as DVORA K keynoard .It will work with all typws of Bluwtooth enabled devices such as PDAs and smarphones .aswellas wearable computer s . applicatio include compuiter/ PDA s input ganing control ,tv remote control and musical applications ..thus virtual keyboard will make typing easier ,faster and almost a pleasure . VIRTUAL DEVICES Recently a new class of device has started to emerge which is conceptually roote d in exploting the input /out put duality.They can be called projectin / vision syste ms and /or projection / scanning or projection/camara technologies.
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