Method and apparatus for local function key control of scrolling on certain computer workstations
US5295241A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Aug 31, 1990 |
| Grant date | Mar 15, 1994 |
| Priority date | — |
| Expiry date | Aug 31, 2010 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F3/1423
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A method and apparatus for distributing the processing of cursor-independent scrolling functions, between a host processor and a workstation via a workstation control interface, the workstation control interface being connected to a plurality of workstations, wherein the host processor formulates a data stream incorporating scrollable panel data, definitions of cursor-independent scrolling keys, definitions of scrolling increments, and definitions of scroll indicators; the data stream is transmitted to the workstation control interface, which may be embodied in a workstation controller (or PWS), and the workstation controller (or PWS) formulates a display screen image for transmission to a workstation to which it is connected. A cursor-independent scrolling request received from a workstation is received by the workstation controller (or PWS) and processed for scrolling without further communication with the host processor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.