Patent US5396552A successfully refreshed from Google Patents.
US5396552A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Digital communication system with transmission servers
Assignee: Siemens AG
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Filing: 1992-02-27
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Granted: 1995-03-07
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Expires: 2012-02-27
Abstract
Abstract Digital communication systems cover a wide range of applications with the provision of features. However, new features must be added for specific application areas. One such specific application area is trading with shares, currency, raw materials, etc.
Inventors
- 👤 Alfred Jahn
- 👤 Teodor Kremer
- 👤 Gunther Weisigk
- 👤 Eugen Rippenstein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 11:56
CPC Classifications
H; H04; H04Q; H04Q11/00; H04Q11/04; H04Q11/0428; H04M; H04M3/00; H04M3/42; H04M3/42314; H04M3/46; H04M3/465; H04M3/56
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
118 words
A communication system having a switching unit which serves to switch through connection lines and has a switching network and a central controller, having at least one centralized server providing data and programs for features, and also having peripheral modules acting as interfaces to subscriber terminals, comprising: special terminals with actuating means, optical display means, at least one loudspeaker and at least one handset connected to special peripheral modules, which are connected to the switching unit, said special peripheral modules linked to each other via data paths, and said special peripheral modules being incorporated in the communication system as an integral component of the communication system by means of control procedures, call processing procedures and data bank procedures.
Claim 2
Dependent Claim
118 words
A communication system having a switching unit which serves to switch through connection lines and has a switching network and a central controller, having at least one centralized server providing data and programs for features, and also having peripheral modules acting as interfaces to subscriber terminals, comprising: special terminals with actuating means, optical display means, at least one loudspeaker and at least one handset connected to special peripheral modules, which are connected to the switching unit, said special peripheral modules linked to each other via data paths, and said special peripheral modules being incorporated in the communication system as an integral component of the communication system by means of control procedures, call processing procedures and data bank procedures.
Claim 3
Dependent Claim
47 words
The communication system as claimed in claim 1, wherein the control procedures control the actuating means and optical display means, and transmit data in a transmission procedure from the special terminals as well as the special peripheral modules to an external storage medium via an interface element.
Claim 4
Dependent Claim
40 words
The communication system as claimed in claim 1, wherein the call processing procedures convert transmission formats of special information data of the special terminals into communication-system specific formats, and in addition provide basic switching functions as foundations for further features.
Claim 5
Dependent Claim
35 words
The communication system as claimed in claim 1, wherein the data bank procedures notify all special peripheral modules of information about the special terminals and the special peripheral modules and utilization of the data paths.
Claim 6
Dependent Claim
22 words
The communication system as claimed in claim 1, wherein the special terminals are connected to the special peripheral modules via concentrator modules.
Claim 7
Dependent Claim
43 words
The communication system as claimed in claim 1, wherein the special terminals are equipped with sending and receiving devices for a plurality of information channels, and an assignment between an information channel and an acoustic element is controllable by means of key actuation.
Claim 8
Dependent Claim
27 words
The communication system as claimed in claim 1, wherein further subscriber terminals are connected through to at least one of the special peripheral modules for passive monitoring.
Claim 9
Dependent Claim
30 words
The communication system as claimed in claim 1, wherein external storage medium for recording calls is connectable to at least one of the special peripheral modules via a matching unit.
Claim 10
Dependent Claim
28 words
The communication system as claimed in claim 1, wherein the special peripheral modules are connected to the switching unit via at least one additional central peripheral server module.
Claim 11
Dependent Claim
30 words
The communication system as claimed in claim 1, wherein the special peripheral modules are divided into system groups the special peripheral modules being connected to one another via data paths.
Claim 12
Dependent Claim
28 words
The communication system as claimed in claim 1, wherein special terminals connected simultaneously to the special peripheral modules are dialable via at least one central peripheral server module.
Claim 13
Dependent Claim
34 words
The communication system as claimed in claim 1, wherein conference modules are provided in the special peripheral modules such that a call is respondable to via at least two of the dialed special terminals.
Claim 14
Dependent Claim
53 words
The communication system as claimed in claim 1, wherein individual special terminals or special terminals combined in groups are configured for speech monitoring of a line, which line is seizable by authorized subscribers to output an announcement and immediately releasable for output of the announcement after a respective telephone number has been dialed.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1998-03-06 | 1998-09-05 | 1999-03-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2002-03-06 | 2002-09-05 | 2003-03-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2006-03-06 | 2006-09-05 | 2007-03-07 | $7700.00 | Window Closed / Lapsed |