300 likes | 425 Views
A Seminar On Virtual Keyboard. www.powerpointpresentationon.blogspot.com. Introduction. VKB has no physical support Virtual Keyboard for traditional sized keyboards Used when our Normal Keyboards fails VKB also used for finger tracking VKB also known as ZERO FORM FACTOR INTERFACE.
E N D
A Seminar On Virtual Keyboard www.powerpointpresentationon.blogspot.com
Introduction • VKB has no physical support • Virtual Keyboard for traditional sized keyboards • Used when our Normal Keyboards fails • VKB also used for finger tracking • VKB also known as ZERO FORM FACTOR INTERFACE
An On-screen Keyboard • Powerful tool • Type right away • Use different Templates • Used to send messages to windows • Float on desktop • Used for urgent texts
Virtual Keyboard v/s Virtual Keyboard • Different Layouts • Mobility • Red Laser Diode v/s IR Diode • Different size and shape
Applications • Easy-to-use • Novel interaction metaphors • Combination instead of exclusion • Formal Evaluation • Combination with real objects
Types • Virtual Laser Keyboard • Uses infrared and Laser Technology • On any flat surface • Bluetooth VKB • Stand-alone accessory • Can be connected through Bluetooth • Full Connectivity
Virtual Laser Keyboard • It uses the power of Laser • Detection at receiver • Provides QWERTY Keyboard • Convenient to use • No mechanical movements • Self-contained rechageable Battery • Internal Power supply
Virtual Laser Keyboard Features • Easily typing e-mails and messages • Can be used with PDA’s , and other devices • It studies the finger movements • Uses Flash Laser diodes • In size of a small cellular phone(90*34*24mm) • Disappears completely when not in use
Bluetooth VKB • Before using your virtual Keyboard • Ensure that you remove all protection materials including protection sheet or laser windows • It needs charging for 2 hrs
General Handling Instruction • Micro-switch • The device is equipped with a micro-switch which disables the Virtual Keyboard lasers when the device is picked up. This is a safety measure. • Do not attempt to override this micro-switch.
General Maintenance • Avoid touching the keyboard sensing receiver window. • Never touch the keyboard projection element. • Avoid exposing the keyboard to moisture or extreme temperatures. • Do not disassemble or try to touch the inside of the device.
Do not attempt to charge the device with a different charger than the one provided by VKB. • If the windows become dirty, clean only with a soft, lint free dry cloth. • Do not use any solvents or cleaners.
Where Can we use It?! • · Personal Digital Assistants (PDA's) • · Cellular Telephones • · Laptops (MAC compatible) • · Tablet PCs • · Space saving Computers • · Clean Rooms • · Industrial Environments • · Test Equipment • · Medical Environments
Troubleshooting • Problem My keyboard is connected, but little or no keys are being detected • Possible cause The detection sensitivity is too low. • Corrective action Raise the detection sensitivity setting and try again.
Problem When typing, multiple and/or erroneous keys are displayed in addition to those I have pressed. • Possible cause The detection sensitivity setting is too high. • Corrective action Lower the detection sensitivity setting and try again.
Problem My computer doesn’t accept the authentication of my keyboard while pairing • Possible cause Device is not entering matched passkey to request authentication check • Corrective action Re-start pair device to re-enter the matched passkey.
Problem My keyboard is turned on but no image appears. Possible cause Device is not charged Corrective action Charge device Possible cause Device is overheated Corrective action Move device to a cooler location and wait a few minutes
Problem After first connection keyboard does not re-connect. Possible cause Your PC is not setup to accept incoming connections.
Problem “Bluetooth” does not appear as option in Connections list • Possible cause Your Windows PC does not have Bluetooth or it has not been activated. • Corrective action Install or turn on Bluetooth on your PC
INSTITUTE OF TECHNOLOGY QUERIES ??