Ergonomic keyboard
US6022156A · kind A · utility
Inventor
Key dates
| Filing date | Dec 10, 1993 |
| Grant date | Feb 8, 2000 |
| Priority date | — |
| Expiry date | Dec 10, 2013 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H2223/05
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A two piece computer keyboard (10). A right hand keyboard (20) contains alphabetic keys normally operated by the right hand of the computer operator. Left hand keyboard (30) contains keys normally operated by the left hand of the operator. Right keyboard (20) and left keyboard (30) are electrically connected by cord (60). The size of keyboards (20) and (30) have been reduced by using keys which allow some alphabetic keys to be used in a multi-function fashion. Num key (40) allows use of alphabetic keys as numbers. Arrow key (50) allows use of alphabetic keys as arrows. Function keys (46) allows use of alphabetic keys as function keys F1, F2, etc. Special function key (48) allows use of some alphabetic keys as print screen, scroll lock, etc.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.