Data-entry device held in one hand and operated with five fingers. Contains seven keys. Letters, numbers, punctuation, and cursor commands keyed into computer by pressing keys in various combinations. Device called "data egg" used where standard typewriter keyboard unusable or unavailable. Contains micro-processor and 32-Kbyte memory. Captures text and transmits it to computer. Concept extended to computer mouse. Especially useful to handicapped or bedridden people who find it difficult or impossible to operate standard keyboards.
Portable Computer Keyboard For Use With One Hand
NASA Tech Briefs ; 16 , 11
01.11.1992
Sonstige
Keine Angabe
Englisch
NTRS | 1994
NTIS | 1994
Rotatable keyboard device and computer equipment with same
Europäisches Patentamt | 2020
|