Telephone call screening device with power and telephone line failure alert, call answering, call routing, and caller ID
US6233330A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Oct 13, 1998 |
| Grant date | May 15, 2001 |
| Priority date | — |
| Expiry date | Oct 13, 2018 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04M1/6505
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A telephone call screening device having an improved telephone call filtering mechanism which prevents unwanted disturbances and allows the user to designate which callers may ring the user's telephone system. The present invention also monitors a connected power source and telephone line and notifies a user if power is lost, the line is severed, or a telephone set has been left off hook. The present invention comprises a router for routing the incoming calls to one or more connected telephone sets based on codes entered by callers; a recorder; and a processor for receiving and processing the codes entered by the callers and controllably connecting the routing and recording functions and telephone sets. In the preferred embodiment, the recorder may record and play messages to incoming callers as well as record messages from the callers. A caller identification function may be included to display caller identification to the user. An emergency and a paging function alarm may also be included which may be initiated at the user's direction.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.