Telephonic communications – Telephone line or system combined with diverse electrical... – Having transmission of a digital message signal over a...
Patent
1998-06-29
2000-05-02
Chan, Wing F.
Telephonic communications
Telephone line or system combined with diverse electrical...
Having transmission of a digital message signal over a...
379 9302, 379 9305, H04M 1100
Patent
active
060581689
DESCRIPTION:
BRIEF SUMMARY
FIELD OF THE INVENTION
The invention relates to a method and a microcomputer system for the automatic, secure and direct transmission of data.
BACKGROUND OF THE INVENTION
An increasing quantity of information is being exchanged today between computers (e.g. personal computers) by terminal users. The transfer of straightforward text in the form of electronic mail has traditionally played a leading role in this connection. But nowadays other forms of information including fax, audio, pictorial and video information as well as other types of computer data such as programs, data from databanks, measurement data and much more are being exchanged between computers. In view of this, the term "electronic mail" is used below to denote the exchange of data in any form between computers.
A disadvantage is that, in contrast with fax or telephone communications, the delivery of electronic mail directly to the user of a terminal device (e.g. the user of a PC on the Internet) requires substantial resources. Direct and automatic data transfer between a sending terminal device and a receiving terminal device is very complex as both terminal devices, or a central computer acting as an intermediate store, must be switched on and certain programs must be running on the computers to control the data exchange.
For security reasons (e.g. data security, security against system failure), central computers are thus generally unable to perform any other tasks and they must run day and night. Such "round-the-clock" systems are nowadays used mainly at an internal level by companies between their data processing networks at different locations (so-called routers or mail servers). They are also used today for connecting terminal devices to worldwide networks such as the Internet.
Users of electronic mail are nowadays dependent on so-called service providers, for example, who provide "round-the-clock" relay stations for electronic mail transmission.
In the processes proposed hitherto, electronic mail is sent via a "sender post office" and a worldwide network of intermediate computer terminals to a "recipient post office". In contrast with the terminal device of the actual recipient, this "recipient post office" is always on-line. Furthermore, the post offices cannot be directly controlled by the terminal users. The electronic mail remains at the recipient post office until the recipient, who is sitting at a terminal device, collects it. In this respect, the recipient must either regularly inquire at the post office or initiate measures himself. Although the actual transmission of electronic mail is completed within mere seconds, urgent mail cannot be sent in this way at the present time because the sender does not know if and when the actual recipient will collect the mail.
Furthermore, the intermediate post offices are frequently overloaded due to the ever-increasing quantities of data. As a result, data transfer can often only occur with immeasurable delays. Taking into consideration such delays, uncertain receipt of mail by the recipient and poor data protection on the Internet, the merits of the rapidity of electronic mail is put into perspective.
Hitherto, terminal users have thus been unable to avail themselves of a fully automatic, straightforward, direct, reliable and secure system of data transfer between a sending terminal device and a receiving terminal device, akin to that which exists in the case of telephone and fax communications.
For example, a fax can nowadays be sent over a telephone line directly to a recipient within a very short space of time, and be printed without any assistance from that recipient. Furthermore, the sender receives a confirmation that the fax has been correctly received by the recipient. The processes for electronic mail transmission proposed hitherto do not have these merits. This is a further reason why the fax retains its significance, although the transmission thereof is in principle slower than the transmission of electronic mail.
In the case of both telephone calls and faxes, data are tra
REFERENCES:
patent: 5379340 (1995-01-01), Overend et al.
"Entlastung des zentralen Rechners durch frei programmierbare Nachrichtenubertragungssteuerungen?" (burotechnik, Automation + Organisation, Nov. 1972, pp. 1348-1356).
Electronics & Wireless World, Bd. 91, Nr. 1594, Aug. 1985, Surrey GB, Seiten 33-38, M. Allard, et al.: "Electronic Mailbox".
Chan Wing F.
TIXI.COM GmbH Telecommunication Systems
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