Audio and video telecommunication system with remote monitoring function and remote device control function
US5585839A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Apr 26, 1994 |
| Grant date | Dec 17, 1996 |
| Priority date | — |
| Expiry date | Apr 26, 2014 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04Q2213/337
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A video conversation/monitoring system, having a remote monitoring function and a remote peripheral device control function in addition to a video-phonic conversation function, includes a center station linked to multiple end stations through an ISDN network. The center station includes a video conversation/monitoring unit, a conversation camera, a monitor screen, a conversation microphone, a conversation speaker, a system controller, a facsimile, and an ISDN line terminating unit. Each end station includes a video conversation/monitoring unit, a system controller, a monitoring camera, a conversation camera, a conversation microphone, a conversation speaker, a sending key set for making calls, a first notification device, a second notification device, a detection device, a facsimile, and an ISDN line terminating unit. Based on the remote monitoring function of the monitoring camera and the remote control function of the system controller for switching between the monitoring camera and the conversation camera, various guidance services are provided in addition to the video-phonic conversation service. Further, the system may be incorporated within an integrated unit which can easily…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.