Patent US5331640A successfully refreshed from Google Patents.
US5331640A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Communication device between a digital network and a telematic equipment
Assignee: NETBRICKS
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Filing: 1989-10-16
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Granted: 1994-07-19
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Expires: 2009-10-16
Abstract
Abstract A device for providing communications between an integrated services digital network (ISDN) and telematic equipment is provided. This device has an S-interface which is connected to the network, a coding-filtering-decoding circuit connected to the S-interface, and a modulator-demodulator circuit directly connected to said coding-filtering-decoding circuit and telematic equipment.
Inventors
- 👤 Jacques Ledu
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:12
CPC Classifications
H; H04; H04Q; H04Q11/00; H04Q11/04; H04Q11/0428; H04Q11/0435; H04Q11/0471; H04Q2213/00; H04Q2213/034; H04Q2213/093; H04Q2213/174; H04Q2213/199
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
52 words
Device for providing communication between an integrated services digital network and telematic equipment, which includes a S-interface to be connected to said network, and a coding-filtering-decoding circuit connected to said S-interface, said device further including a modulator-demodulator circuit directly connected to said coding-filtering-decoding circuit and to be connected to said telematic equipment.
Claim 2
Dependent Claim
52 words
Device for providing communication between an integrated services digital network and telematic equipment, which includes a S-interface to be connected to said network, and a coding-filtering-decoding circuit connected to said S-interface, said device further including a modulator-demodulator circuit directly connected to said coding-filtering-decoding circuit and to be connected to said telematic equipment.
Claim 3
Dependent Claim
23 words
Device according to claim 1, wherein said modulator-demodulator circuit includes several components, each for supporting transfers according to at least one specific protocol.
Claim 4
Dependent Claim
35 words
Device according to claim 1, further including at least one circuit for allowing transfers according to protocols specific to said digital network and connected at a position located between said S-interface and said coding-filtering-decoding circuit.
Claim 5
Dependent Claim
19 words
Device according to claim 1, further including a driving and controlling circuit for constituting an interface with a microcomputer.
Claim 6
Dependent Claim
16 words
Device according to claim 1, wherein the entire device is located on a printed circuit board.
Claim 7
Dependent Claim
34 words
Device according to claim 5, wherein said board includes an edge connector to be fitted in an elongated connector of a mother board of a microcomputer and including connections of driving and controlling circuits.
Claim 8
Dependent Claim
20 words
Device according to claim 6, said board further includes separated connectors for connecting said S-interface and for connecting said modulator-demodulator.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1997-07-18 | 1998-01-17 | 1998-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2001-07-18 | 2002-01-17 | 2002-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2005-07-18 | 2006-01-17 | 2006-07-19 | $7700.00 | Window Closed / Lapsed |