Techniques for changing the behavior of a link in a hypertext document
US5761683A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Feb 13, 1996 |
| Grant date | Jun 2, 1998 |
| Priority date | — |
| Expiry date | Feb 13, 2016 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F16/9577
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A network based hypertext display system employing a supervisory computer interconnected with one or more information display units and one or more remote document servers via a network, such as the Internet. The supervisory computer controls the content displayed by the display units by transferring to each unit a control information file as well as hypertext document files which are locally stored in the display units. The control file determines the extent to which the display unit can access remotely stored information and provides additional information which is used to alter the presentation to the user. Stored control information is used to rewrite hypertext document such that certain links are disabled, and to suppress the appearance of visual cues associated with the displayed anchor which identifies selected links in the referencing document. Links and other information in local and remotely accessed documents are rewritten in accordance with commands created by a content developer using an interactive content authoring system. The hypertext display system further controls the duration of a given user session in response to the material selected for display, the time of d…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.