21-06-2012, 03:13 PM
WIRELESS POWER TRANSMISSION IN SPS
[attachment=25007]
ABSTRACT
Most of us with personal computers use a keyboard to compose e-mails, type out word processing documents, Visit websites and perform searches. On a typical cell phone with a three-by -four numeric keypad. We often have to punch through each key several times to get one word on the screen . Minature keyboards on smart phones and PDA’S however, attempt to solve that problem by giving users a complete Qwerty setup.
INTRODUCTION
A keyboard is one of the most commonly used input device used to enter data in to the computer. It has characters engraved or printed on the keys and each press of a key typically corresponds to a single written symbol. In normal usage, the keyboard is used to type text and numbers into a word processor, text editor or other program. A keyboard is also used to give commands to the operating system of a computer, such as Windows' Control-Alt-Delete combination, which brings up a task window or shuts down the machine. The keyboards nowadays are available in different types such as the standard ones which have 104 keys, laptop-size in which keyboards usually have a shorter travel distance for the keystroke and a reduced set of keys. Then there are the multimedia keyboards with extra keys for accessing music, web and other frequently used programs.
THE TECHNOLOGY USED
The sensing modules are miniature, custom designed infra-red sensing units and ground breaking algorithms that map user interactions in a two dimensional plane and can convert any inert surface into an interactive touch sensitive area/screen. Modules are available in a variety of resolutions and configurations from simple, low resolution key/button event applications to high resolution, high speed graphical input of handwriting recognition. The projectors are based on sophisticated Laser Diode based diffractive optical elements and high efficiency LED based projection engines.
WORKING
The Virtual Laser Keyboard includes a self-contained, rechargeable lithium ion battery. It provides the Virtual Laser Keyboard with its own internal power supply, so it doesn't drain any battery power from the PDA or PC. The battery lasts two to three hours, more than enough time to do some instant messaging and SMS messaging from the handheld device or to update calendar and phone book entries.
CONCLUSION
Virtual Keyboard uses sensor technology and artificial intelligence to let users work on any surface as if it were a keyboard. Projection key boards or virtual key boards claim to provide the convenience of compactness with the advantages of a full-blown QWERTY keyboard. The company's Virtual Keyboard is designed for anyone who's become frustrated with trying to put information into a handheld but doesn't want to carry a notebook computer around Thus virtual keyboards will make typing easier, faster, and almost a pleasure.
[attachment=25007]
ABSTRACT
Most of us with personal computers use a keyboard to compose e-mails, type out word processing documents, Visit websites and perform searches. On a typical cell phone with a three-by -four numeric keypad. We often have to punch through each key several times to get one word on the screen . Minature keyboards on smart phones and PDA’S however, attempt to solve that problem by giving users a complete Qwerty setup.
INTRODUCTION
A keyboard is one of the most commonly used input device used to enter data in to the computer. It has characters engraved or printed on the keys and each press of a key typically corresponds to a single written symbol. In normal usage, the keyboard is used to type text and numbers into a word processor, text editor or other program. A keyboard is also used to give commands to the operating system of a computer, such as Windows' Control-Alt-Delete combination, which brings up a task window or shuts down the machine. The keyboards nowadays are available in different types such as the standard ones which have 104 keys, laptop-size in which keyboards usually have a shorter travel distance for the keystroke and a reduced set of keys. Then there are the multimedia keyboards with extra keys for accessing music, web and other frequently used programs.
THE TECHNOLOGY USED
The sensing modules are miniature, custom designed infra-red sensing units and ground breaking algorithms that map user interactions in a two dimensional plane and can convert any inert surface into an interactive touch sensitive area/screen. Modules are available in a variety of resolutions and configurations from simple, low resolution key/button event applications to high resolution, high speed graphical input of handwriting recognition. The projectors are based on sophisticated Laser Diode based diffractive optical elements and high efficiency LED based projection engines.
WORKING
The Virtual Laser Keyboard includes a self-contained, rechargeable lithium ion battery. It provides the Virtual Laser Keyboard with its own internal power supply, so it doesn't drain any battery power from the PDA or PC. The battery lasts two to three hours, more than enough time to do some instant messaging and SMS messaging from the handheld device or to update calendar and phone book entries.
CONCLUSION
Virtual Keyboard uses sensor technology and artificial intelligence to let users work on any surface as if it were a keyboard. Projection key boards or virtual key boards claim to provide the convenience of compactness with the advantages of a full-blown QWERTY keyboard. The company's Virtual Keyboard is designed for anyone who's become frustrated with trying to put information into a handheld but doesn't want to carry a notebook computer around Thus virtual keyboards will make typing easier, faster, and almost a pleasure.