Partial fax delivery and multicast by the store and forward fax devices with limited memory
US7142550B1 · kind B1 · utility
Assignee
Inventor
Key dates
| Filing date | Dec 30, 1999 |
| Grant date | Nov 28, 2006 |
| Priority date | — |
| Expiry date | Dec 30, 2019 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N2201/0067
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An email/fax communication system is disclosed for use in a packet switching network environment including a mail server for storing email messages for transmission thereof, in the form of a fax document, to one or more recipient fax machines. In one embodiment of the present invention, the email/fax communication system is disclosed to include a router for receiving a first email message, in the form of packets, from the mail server, for converting the first email message packets to first fax pages of a fax document and for transmitting the first fax pages to the one or more recipient fax machines. Upon failure to successfully transmit at least one of the first fax pages of the fax document to the one or more recipient fax machines, the router for converting the failed fax pages to secondary email packets for re-transmission thereof to the one or more recipient fax machines, wherein the router behaves as a conventional fax machine by re-transmitting only failed fax pages thereby avoiding re-transmission of the entire fax document.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.