BE890333A - Systeme pour l'extension de signaux numeriques a des sous-centrales d'abonnes telephoniques - Google Patents
Systeme pour l'extension de signaux numeriques a des sous-centrales d'abonnes telephoniquesInfo
- Publication number
- BE890333A BE890333A BE2/59351A BE2059351A BE890333A BE 890333 A BE890333 A BE 890333A BE 2/59351 A BE2/59351 A BE 2/59351A BE 2059351 A BE2059351 A BE 2059351A BE 890333 A BE890333 A BE 890333A
- Authority
- BE
- Belgium
- Prior art keywords
- extension
- digital signals
- telephone subscribers
- subscribers
- telephone
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q1/00—Details of selecting apparatus or arrangements
- H04Q1/18—Electrical details
- H04Q1/30—Signalling arrangements; Manipulation of signalling currents
- H04Q1/50—Conversion between different kinds of signals
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Devices For Supply Of Signal Current (AREA)
- Interface Circuits In Exchanges (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/261,405 US4410982A (en) | 1981-05-07 | 1981-05-07 | Arrangement for extending digital signaling to telephone subscribers' substations |
Publications (1)
Publication Number | Publication Date |
---|---|
BE890333A true BE890333A (fr) | 1982-01-04 |
Family
ID=22993166
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE2/59351A BE890333A (fr) | 1981-05-07 | 1981-09-14 | Systeme pour l'extension de signaux numeriques a des sous-centrales d'abonnes telephoniques |
Country Status (3)
Country | Link |
---|---|
US (1) | US4410982A (fr) |
BE (1) | BE890333A (fr) |
CA (1) | CA1176771A (fr) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5125077A (en) * | 1983-11-02 | 1992-06-23 | Microsoft Corporation | Method of formatting data from a mouse |
US4547630A (en) * | 1983-12-05 | 1985-10-15 | Gte Automatic Electric Incorporated | Speech synthesized time announcement circuit |
US4635255A (en) * | 1985-07-26 | 1987-01-06 | Advanced Micro Devices, Inc. | Digital subscriber controller |
US5471523A (en) * | 1993-07-14 | 1995-11-28 | Voysys Corporation | Telephone call and voice processing system |
WO1999053627A1 (fr) | 1998-04-10 | 1999-10-21 | Chrimar Systems, Inc. Doing Business As Cms Technologies | Systeme de communication avec un equipement electronique sur un reseau |
US20060072740A1 (en) * | 2004-09-30 | 2006-04-06 | Tesu Ion C | Selective analog signal sensing from a plurality of integrated circuits using a common node |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3922493A (en) * | 1971-02-01 | 1975-11-25 | Gen Electric | Communication system using time-division multiplexing and pulse-code modulation |
US4317962A (en) * | 1977-03-02 | 1982-03-02 | International Telephone And Telegraph Corporation | Distributed control for digital switching system |
DE2819119C3 (de) * | 1978-04-29 | 1980-10-30 | Telefonbau Und Normalzeit Gmbh, 6000 Frankfurt | Schaltungsanordnung für zeitmultiplex digital durchschaltende Fernmelde-, insbesondere Fernsprechvermittlungsanlagen |
US4197432A (en) * | 1978-06-15 | 1980-04-08 | Gte Automatic Electric Laboratories Incorporated | Telephone subscriber's loop power control circuit |
US4232199A (en) * | 1978-10-18 | 1980-11-04 | Summa Four, Inc. | Special services add-on for dial pulse activated telephone switching office |
GB2066023B (en) * | 1979-12-13 | 1983-11-09 | Standard Telephones Cables Ltd | Telephone line interface |
US4354264A (en) * | 1980-06-16 | 1982-10-12 | International Standard Electric Corporation | Digital ring control system for digital multiplexer |
-
1981
- 1981-05-07 US US06/261,405 patent/US4410982A/en not_active Expired - Fee Related
- 1981-09-14 CA CA000385798A patent/CA1176771A/fr not_active Expired
- 1981-09-14 BE BE2/59351A patent/BE890333A/fr not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
US4410982A (en) | 1983-10-18 |
CA1176771A (fr) | 1984-10-23 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RE | Patent lapsed |
Owner name: GTE AUTOMATIC ELECTRIC LABORATORIES INC. Effective date: 19890930 |