Telephonic communications – Telephone line or system combined with diverse electrical... – Having transmission of a digital message signal over a...
Patent
1999-01-27
2000-02-08
Chan, Wing F.
Telephonic communications
Telephone line or system combined with diverse electrical...
Having transmission of a digital message signal over a...
H04M 1100
Patent
active
060234989
DESCRIPTION:
BRIEF SUMMARY
The invention relates to a data communication method, for which, by means of data acquisition equipment, informational data is acquired by a sender user and, provided with the appropriate address data, made available to an authorized recipient user in a host computer for output of the data, a comparison being made between the identification data and the address data for the purpose of establishing authorization. At the same time, during a configuration preceding the date configuration, a portable data carrier is provided with data carrier-specific and/or user-specific identification data and is used at least by the user receiver in such a manner, that this identification is read from the data carrier to determine authorization. In the event that there is agreement, at least one receiving signal is put out to the recipient user in order to characterize the information data present.
The invention furthermore relates to a data communication system with a portable data carrier, a data-acquisition device for acquiring and storing data on data carriers, a data reader for reading the data carrier and a data output device and with several communication devices, which are separated from one another spatially, contain at least the data reader and have a connection to a host computer over a leased line, a discretionary telephone line or a data radio line.
The exchange of data between two or more computers by means of portable data carriers, such as diskettes, is known. For this, it is always necessary to ship the data carriers physically. Any information, stored on a data carrier, reaches the recipient only if the latter received the data carrier and subsequently reads the stored data. Such an exchange of data is very time consuming and relatively unreliable. Moreover, an unauthorized recipient immediately is in possession of all the data transmitted. Even if this data is encrypted, the unauthorized recipient has sufficient time to decode the data.
In recent times, communication systems have been developed, which avoid shipping the data carriers physically. These include especially data networks.
When such a data network is used, informational data, which is to be sent by a sender user to a recipient user of the data network, is acquired by means of an acquisition device, for which generally a computer is used. So that it reaches the recipient, the informational data is provided with the appropriate address data. This informational data is then sent to a host computer, to which both users have access.
In this host computer or in an associated storage medium, the informational data is made available for output to an authorized recipient user. To determine authorization, a comparison is made between identification data and address data.
Since it is not to be anticipated that both users will have access to the host computer at the same time, the information is filed for a specific recipient in so-called mailboxes.
In general, however, access to such networks is possible only with relatively expensive hardware. Although users, who have to handle computers with an appropriate hardware configuration anyhow, like to use these means of communication, the purchase of appropriate hardware merely for the purpose of participating in modern data communication, represents an obstacle for numerous users. Moreover, the use of corresponding data communication software and hardware requires some knowledge, which large groups of users may not have.
Accordingly, the advantageous possibility of being able to download information at the desired time and not have to be ready to receive such information at all times is available only for a small group of users.
Telephone answering machines or electronic phone mailboxes represent one possibility available to a wide circle of users of receiving news independently of time. However, these show the disadvantage of a psychological inhibiting threshold, which can be noted frequently, since the user is confronted directly with the fact of speaking his news in a brief and concise form and no longer
REFERENCES:
patent: 4694492 (1987-09-01), Wirstrom et al.
patent: 5406619 (1995-04-01), Akhteruzzaman et al.
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