vertual keybord
TRANSCRIPT
![Page 1: Vertual keybord](https://reader035.vdocuments.mx/reader035/viewer/2022062418/554a2804b4c90526578b4b2e/html5/thumbnails/1.jpg)
www.powerpointpresentationon.blogspot.com
ASeminar
OnVirtual Keyboard
![Page 2: Vertual keybord](https://reader035.vdocuments.mx/reader035/viewer/2022062418/554a2804b4c90526578b4b2e/html5/thumbnails/2.jpg)
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
![Page 3: Vertual keybord](https://reader035.vdocuments.mx/reader035/viewer/2022062418/554a2804b4c90526578b4b2e/html5/thumbnails/3.jpg)
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
![Page 4: Vertual keybord](https://reader035.vdocuments.mx/reader035/viewer/2022062418/554a2804b4c90526578b4b2e/html5/thumbnails/4.jpg)
![Page 5: Vertual keybord](https://reader035.vdocuments.mx/reader035/viewer/2022062418/554a2804b4c90526578b4b2e/html5/thumbnails/5.jpg)
Virtual Keyboard v/s Virtual Keyboard
![Page 6: Vertual keybord](https://reader035.vdocuments.mx/reader035/viewer/2022062418/554a2804b4c90526578b4b2e/html5/thumbnails/6.jpg)
Virtual Keyboard v/s Virtual Keyboard
• Different Layouts
• Mobility
• Red Laser Diode v/s IR Diode
• Different size and shape
![Page 7: Vertual keybord](https://reader035.vdocuments.mx/reader035/viewer/2022062418/554a2804b4c90526578b4b2e/html5/thumbnails/7.jpg)
Applications
• Easy-to-use• Novel interaction metaphors• Combination instead of exclusion
• Formal Evaluation• Combination with real objects
![Page 8: Vertual keybord](https://reader035.vdocuments.mx/reader035/viewer/2022062418/554a2804b4c90526578b4b2e/html5/thumbnails/8.jpg)
![Page 9: Vertual keybord](https://reader035.vdocuments.mx/reader035/viewer/2022062418/554a2804b4c90526578b4b2e/html5/thumbnails/9.jpg)
![Page 10: Vertual keybord](https://reader035.vdocuments.mx/reader035/viewer/2022062418/554a2804b4c90526578b4b2e/html5/thumbnails/10.jpg)
![Page 11: Vertual keybord](https://reader035.vdocuments.mx/reader035/viewer/2022062418/554a2804b4c90526578b4b2e/html5/thumbnails/11.jpg)
Types
• Virtual Laser KeyboardoUses infrared and Laser TechnologyoOn any flat surface
• Bluetooth VKBoStand-alone accessoryoCan be connected through
BluetoothoFull Connectivity
![Page 12: Vertual keybord](https://reader035.vdocuments.mx/reader035/viewer/2022062418/554a2804b4c90526578b4b2e/html5/thumbnails/12.jpg)
Virtual Laser Keyboard
![Page 13: Vertual keybord](https://reader035.vdocuments.mx/reader035/viewer/2022062418/554a2804b4c90526578b4b2e/html5/thumbnails/13.jpg)
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
![Page 14: Vertual keybord](https://reader035.vdocuments.mx/reader035/viewer/2022062418/554a2804b4c90526578b4b2e/html5/thumbnails/14.jpg)
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
![Page 15: Vertual keybord](https://reader035.vdocuments.mx/reader035/viewer/2022062418/554a2804b4c90526578b4b2e/html5/thumbnails/15.jpg)
Bluetooth VKB
![Page 16: Vertual keybord](https://reader035.vdocuments.mx/reader035/viewer/2022062418/554a2804b4c90526578b4b2e/html5/thumbnails/16.jpg)
Bluetooth VKB internally
![Page 17: Vertual keybord](https://reader035.vdocuments.mx/reader035/viewer/2022062418/554a2804b4c90526578b4b2e/html5/thumbnails/17.jpg)
Bluetooth VKB
• Before using your virtual Keyboard
oEnsure that you remove all protection materials including protection sheet or laser windows
oIt needs charging for 2 hrs
![Page 18: Vertual keybord](https://reader035.vdocuments.mx/reader035/viewer/2022062418/554a2804b4c90526578b4b2e/html5/thumbnails/18.jpg)
Switching On
![Page 19: Vertual keybord](https://reader035.vdocuments.mx/reader035/viewer/2022062418/554a2804b4c90526578b4b2e/html5/thumbnails/19.jpg)
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.
![Page 20: Vertual keybord](https://reader035.vdocuments.mx/reader035/viewer/2022062418/554a2804b4c90526578b4b2e/html5/thumbnails/20.jpg)
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.
![Page 21: Vertual keybord](https://reader035.vdocuments.mx/reader035/viewer/2022062418/554a2804b4c90526578b4b2e/html5/thumbnails/21.jpg)
• 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.
![Page 22: Vertual keybord](https://reader035.vdocuments.mx/reader035/viewer/2022062418/554a2804b4c90526578b4b2e/html5/thumbnails/22.jpg)
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
![Page 23: Vertual keybord](https://reader035.vdocuments.mx/reader035/viewer/2022062418/554a2804b4c90526578b4b2e/html5/thumbnails/23.jpg)
Troubleshooting
• Problem My keyboard is connected, butlittle or no keys are beingdetected• Possible cause
The detection sensitivity is too low. • Corrective action
Raise the detection sensitivity setting and try again.
![Page 24: Vertual keybord](https://reader035.vdocuments.mx/reader035/viewer/2022062418/554a2804b4c90526578b4b2e/html5/thumbnails/24.jpg)
• ProblemWhen typing, multiple and/orerroneous keys are displayed inaddition to those I have pressed.• Possible cause
The detection sensitivity setting is too high. • Corrective action
Lower the detection sensitivity setting and try again.
![Page 25: Vertual keybord](https://reader035.vdocuments.mx/reader035/viewer/2022062418/554a2804b4c90526578b4b2e/html5/thumbnails/25.jpg)
• ProblemMy computer doesn’t accept the authentication of my keyboardwhile pairing• Possible cause
Device is not entering matched passkey torequest authentication check• Corrective action
Re-start pair device to re-enter the matched passkey.
![Page 26: Vertual keybord](https://reader035.vdocuments.mx/reader035/viewer/2022062418/554a2804b4c90526578b4b2e/html5/thumbnails/26.jpg)
• ProblemMy keyboard is turned on but noimage appears.
Possible causeDevice is not charged Corrective actionCharge device
Possible causeDevice is overheated Corrective actionMove device to a cooler location and wait a few minutes
![Page 27: Vertual keybord](https://reader035.vdocuments.mx/reader035/viewer/2022062418/554a2804b4c90526578b4b2e/html5/thumbnails/27.jpg)
• ProblemAfter first connection keyboarddoes not re-connect.
Possible causeYour PC is not setup to accept incomingconnections.
![Page 28: Vertual keybord](https://reader035.vdocuments.mx/reader035/viewer/2022062418/554a2804b4c90526578b4b2e/html5/thumbnails/28.jpg)
• Problem“Bluetooth” does not appear asoption in Connections list• Possible cause
Your Windows PC does not have Bluetooth orit has not been activated.• Corrective action
Install or turn on Bluetooth on your PC
![Page 29: Vertual keybord](https://reader035.vdocuments.mx/reader035/viewer/2022062418/554a2804b4c90526578b4b2e/html5/thumbnails/29.jpg)
![Page 30: Vertual keybord](https://reader035.vdocuments.mx/reader035/viewer/2022062418/554a2804b4c90526578b4b2e/html5/thumbnails/30.jpg)
QUERIES ??
INSTITUTE OF TECHNOLOGY