ByGilbert I. Acosta

ED 443 G

A Microwriter MW4 (circa 1980)

B.A.T keyboard

1836-Wheatstone, Cooke –”five –needle” telegraph operator station1868-Court Reporters, widespread use-stenotype machine1959-IBM-14 keys, typewriter, fast touch typing1978-WriteHander-12 chord keyboard

Computer input deviceAllows user to input characters or commands formed by pressing several keys together.Allows text or commands to be entered with one hand.Each finger might control one key which corresponds to bit in a byte. Saves time and can be faster than a regular keyboard.

BAT Keyboard INFOGRIPBAT Keyboard Left $229BAT Keyboard Dual $379

Fewer keys than symbols in alphabet Replace conventional keyboardChord Keyboards are smallLow number of keys, one hand typeOne tough typingOnly text entry method not affected by vibration

Wearable Computer-worn on the body applied to health monitoring systems for disabilitiesFeatures

-Constant interaction computer and user

-Multi-task ability-Not stop what doing to use device-Extension of user mind and or

body like prostheticProject Cyborg-chip in arm, RFID transmitter, control door, light, computer control deviceNeural Interface-100 electrodes connected to nervous system, mimic actions of arm

1. Chapter 6 Case study 2 Chord Boards http://billbuxton.com/input06.ChordKeyboards.pdf2. INFOGRIP http://infogrip.com/category_view.as=p?option=keyboard3. GSAT, House 19, Dean Circle, UOG Campus, Mangilao, Guam4. WIKIPEDIAhttp://en.wikipedia.org/wiki/Image:Septamic_key_numbering.jpg