ZA76677B - Circuit arrangement for automatically controlling transmission continuity of a connection between calling and called users in a speech and data network - Google Patents
Circuit arrangement for automatically controlling transmission continuity of a connection between calling and called users in a speech and data networkInfo
- Publication number
- ZA76677B ZA76677B ZA760677A ZA76677A ZA76677B ZA 76677 B ZA76677 B ZA 76677B ZA 760677 A ZA760677 A ZA 760677A ZA 76677 A ZA76677 A ZA 76677A ZA 76677 B ZA76677 B ZA 76677B
- Authority
- ZA
- South Africa
- Prior art keywords
- speech
- calling
- connection
- data network
- circuit arrangement
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Monitoring And Testing Of Exchanges (AREA)
- Telephonic Communication Services (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT20181/75A IT1031666B (it) | 1975-02-12 | 1975-02-12 | Disposizione circuitale per il controllo automatico della continutta trasmissiva di un collegamento tra utente chiamante e utente chiamato in una rete di fonia e dati |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ZA76677B true ZA76677B (en) | 1977-04-27 |
Family
ID=11164482
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ZA760677A ZA76677B (en) | 1975-02-12 | 1976-02-05 | Circuit arrangement for automatically controlling transmission continuity of a connection between calling and called users in a speech and data network |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US4024359A (it) |
| BR (1) | BR7600712A (it) |
| CH (1) | CH608671A5 (it) |
| DE (1) | DE2605612A1 (it) |
| ES (1) | ES444677A1 (it) |
| FR (1) | FR2301139A1 (it) |
| GB (1) | GB1516751A (it) |
| IT (1) | IT1031666B (it) |
| PT (1) | PT64740B (it) |
| ZA (1) | ZA76677B (it) |
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2396477A1 (fr) * | 1977-06-30 | 1979-01-26 | Telic | Procede et dispositif de controle de connexions electriques notamment pour telecommunications |
| US4500985A (en) * | 1982-12-08 | 1985-02-19 | At&T Bell Laboratories | Communication path continuity verification arrangement |
| KR940001433B1 (ko) * | 1991-04-23 | 1994-02-23 | 삼성전자 주식회사 | 전전자 교환기 시스템의 연속성 시험방법 |
| GB9614561D0 (en) * | 1996-07-11 | 1996-09-04 | 4Links Ltd | Communication system with improved code |
| US5943392A (en) * | 1997-01-24 | 1999-08-24 | Southwestern Bell Telephone Company | Device for measuring echo return loss in a two-two wire line system |
| WO1999053627A1 (en) | 1998-04-10 | 1999-10-21 | Chrimar Systems, Inc. Doing Business As Cms Technologies | System for communicating with electronic equipment on a network |
| US6522668B1 (en) * | 1998-11-30 | 2003-02-18 | Cisco Technology, Inc. | System and method for special signaling with customer premises equipment |
| GB2351415A (en) * | 1999-06-22 | 2000-12-27 | Ericsson Telefon Ab L M | Continuity checking in a telecommunications network |
| US6507608B1 (en) * | 2000-02-23 | 2003-01-14 | 2Wire, Inc. | Multi-line ADSL modulation |
| US7023910B1 (en) | 2000-12-21 | 2006-04-04 | 2Wire, Inc. | Dual-line DSL system and method |
| WO2006042274A1 (en) * | 2004-10-11 | 2006-04-20 | 2Wire, Inc. | Periodic impulse noise mitigation in a dsl system |
| US7953163B2 (en) * | 2004-11-30 | 2011-05-31 | Broadcom Corporation | Block linear equalization in a multicarrier communication system |
| US7852950B2 (en) * | 2005-02-25 | 2010-12-14 | Broadcom Corporation | Methods and apparatuses for canceling correlated noise in a multi-carrier communication system |
| US9374257B2 (en) * | 2005-03-18 | 2016-06-21 | Broadcom Corporation | Methods and apparatuses of measuring impulse noise parameters in multi-carrier communication systems |
| US7813439B2 (en) * | 2006-02-06 | 2010-10-12 | Broadcom Corporation | Various methods and apparatuses for impulse noise detection |
| US8605837B2 (en) | 2008-10-10 | 2013-12-10 | Broadcom Corporation | Adaptive frequency-domain reference noise canceller for multicarrier communications systems |
| KR101843052B1 (ko) * | 2011-10-25 | 2018-03-29 | 삼성전자주식회사 | 무선통신 시스템에서 서로 다른 망들을 이용한 음성 호의 연속성 제공을 위한 장치 및 방법 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3138670A (en) * | 1961-08-29 | 1964-06-23 | Bell Telephone Labor Inc | Automatic test equipment for multiterminal communication systems |
| US3626383A (en) * | 1969-11-26 | 1971-12-07 | Stromberg Carlson Corp | Process for automatic system maintenance |
| US3691309A (en) * | 1970-12-21 | 1972-09-12 | Automatic Elect Lab | Continuity and foreign potential detector |
| US3851122A (en) * | 1972-07-05 | 1974-11-26 | Gte Automatic Electric Lab Inc | Path verification arrangement for automatically testing conditions |
| US3860769A (en) * | 1972-11-01 | 1975-01-14 | Gte Lenkurt Inc | Method and apparatus for testing the operation of a communication system |
| US3937908A (en) * | 1975-01-27 | 1976-02-10 | Bell Telephone Laboratories, Incorporated | Network path test circuit |
-
1975
- 1975-02-12 IT IT20181/75A patent/IT1031666B/it active
-
1976
- 1976-01-12 FR FR7600568A patent/FR2301139A1/fr active Granted
- 1976-01-22 GB GB2459/76A patent/GB1516751A/en not_active Expired
- 1976-01-26 PT PT64740A patent/PT64740B/pt unknown
- 1976-01-28 ES ES0444677A patent/ES444677A1/es not_active Expired
- 1976-02-04 CH CH135076A patent/CH608671A5/xx not_active IP Right Cessation
- 1976-02-05 BR BR7600712A patent/BR7600712A/pt unknown
- 1976-02-05 ZA ZA760677A patent/ZA76677B/xx unknown
- 1976-02-11 US US05/657,263 patent/US4024359A/en not_active Expired - Lifetime
- 1976-02-12 DE DE19762605612 patent/DE2605612A1/de not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| IT1031666B (it) | 1979-05-10 |
| BR7600712A (pt) | 1976-10-12 |
| GB1516751A (en) | 1978-07-05 |
| PT64740B (fr) | 1977-08-12 |
| DE2605612A1 (de) | 1976-08-26 |
| FR2301139B1 (it) | 1981-07-31 |
| CH608671A5 (it) | 1979-01-15 |
| PT64740A (fr) | 1976-02-01 |
| ES444677A1 (es) | 1977-05-16 |
| FR2301139A1 (fr) | 1976-09-10 |
| US4024359A (en) | 1977-05-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| ZA76677B (en) | Circuit arrangement for automatically controlling transmission continuity of a connection between calling and called users in a speech and data network | |
| GB2005963B (en) | Interface circuit and method for telephone extension lines | |
| JPS5354402A (en) | Circuit for setting subscriber*s key telephone set | |
| GB1543015A (en) | Method of and system for eliminating the side tone of a telephone station | |
| JPS5561167A (en) | Digital conference telephone circuit | |
| GB2043396B (en) | Integral telephone set and handset | |
| PT73850A (en) | Circuit and digital telephone line circuits system | |
| JPS51135308A (en) | System for switching telephone set and method of switching same | |
| JPS5382203A (en) | Telephone speech circuit network | |
| PH16079A (en) | Subcriber switch controller for controlling connections between a plurality of telephone subscriber lines and a pair of multitime-slot digital data buses | |
| JPS5385105A (en) | Telephone and data network for mobile subscriber | |
| JPS5387109A (en) | Telephone line interface circuit | |
| JPS5210006A (en) | Electronic telephone network and amplifier | |
| GB1540414A (en) | Circuit arrangements for detecting the state of subscriber lines in speech and data networks | |
| IL60945A (en) | Circuits and methods for initializing the loop current of a telephone set | |
| JPS5350603A (en) | Conference telephone system | |
| GB1546046A (en) | Transmitting and receiving circuit for subscriber telephone sets | |
| JPS56158593A (en) | Telephone set circuit network and common device therefor | |
| JPS5218108A (en) | Conference telephone circuit | |
| AU4082978A (en) | Telephone party line control circuit | |
| JPS5332605A (en) | Telephone line circuit | |
| JPS5693462A (en) | Active voice circuit network for telephone set | |
| JPS538504A (en) | Method of setting automatic answering telephone set | |
| JPS53114305A (en) | Loudspeaking telephone set | |
| CA1031882A (en) | Telephone speech network for electronic sidetone suppression |