NO143647C - Fremgangsmaate til gjennomkoblingskontroll i digital velgernett med sentral styreenhet - Google Patents
Fremgangsmaate til gjennomkoblingskontroll i digital velgernett med sentral styreenhetInfo
- Publication number
- NO143647C NO143647C NO75752785A NO752785A NO143647C NO 143647 C NO143647 C NO 143647C NO 75752785 A NO75752785 A NO 75752785A NO 752785 A NO752785 A NO 752785A NO 143647 C NO143647 C NO 143647C
- Authority
- NO
- Norway
- Prior art keywords
- procedure
- control unit
- selection network
- digital selection
- central control
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/04—Selecting arrangements for multiplex systems for time-division multiplexing
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
- Monitoring And Testing Of Exchanges (AREA)
- Detection And Prevention Of Errors In Transmission (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
- Sub-Exchange Stations And Push- Button Telephones (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AUPB846274 | 1974-08-09 |
Publications (3)
Publication Number | Publication Date |
---|---|
NO752785L NO752785L (th) | 1976-02-10 |
NO143647B NO143647B (no) | 1980-12-08 |
NO143647C true NO143647C (no) | 1981-03-18 |
Family
ID=3765972
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO75752785A NO143647C (no) | 1974-08-09 | 1975-08-08 | Fremgangsmaate til gjennomkoblingskontroll i digital velgernett med sentral styreenhet |
Country Status (13)
Country | Link |
---|---|
US (1) | US4048445A (th) |
JP (1) | JPS5939941B2 (th) |
BE (1) | BE832249A (th) |
CA (1) | CA1056039A (th) |
DE (1) | DE2535573C2 (th) |
DK (2) | DK140200B (th) |
ES (1) | ES440143A1 (th) |
FI (1) | FI61375C (th) |
FR (1) | FR2281605A1 (th) |
GB (1) | GB1504897A (th) |
IT (1) | IT1040390B (th) |
NL (1) | NL186286C (th) |
NO (1) | NO143647C (th) |
Families Citing this family (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4195206A (en) * | 1977-01-26 | 1980-03-25 | Trw, Inc. | Path test apparatus and method |
GB1582583A (en) * | 1977-04-05 | 1981-01-14 | Gen Electric Co Ltd | Digital switching arrangements for stored programme control telecommunications systems |
DE2718317A1 (de) * | 1977-04-25 | 1978-11-02 | Gen Electric Co Ltd | Digital koppelnde fernmeldevermittlungseinrichtung |
CA1130900A (en) * | 1978-02-01 | 1982-08-31 | Kanzi Tawara | Time division telephone switching systems |
US4320497A (en) * | 1978-12-07 | 1982-03-16 | Tokyo Shibaura Denki Kabushiki Kaisha | Method for testing communication paths |
DE2905427A1 (de) * | 1979-02-13 | 1980-08-21 | Siemens Ag | Verfahren zur pruefung des sprachspeichers einer pcm-zeitmultiplex-vermittlungseinheit |
ZA804387B (en) * | 1979-08-10 | 1981-07-29 | Plessey Co Ltd | Channel zero switching arrangements for digital telecommunication exchanges |
US4296492A (en) * | 1979-12-26 | 1981-10-20 | Bell Telephone Laboratories, Incorporated | Continuity verification arrangement |
US4345324A (en) * | 1980-07-09 | 1982-08-17 | Christian Rovsing A/S | Process and system for error detection in a computer-controlled telephone exchange |
DE3037419C2 (de) * | 1980-10-03 | 1985-05-30 | Standard Elektrik Lorenz Ag, 7000 Stuttgart | Schaltungsanordnung zum Überwachen unzulässiger Verbindungen in einem Koppelfeld für Vermittlungsanlagen, insbesondere Fernsprechvermittlungsanlagen |
US4429391A (en) | 1981-05-04 | 1984-01-31 | Bell Telephone Laboratories, Incorporated | Fault and error detection arrangement |
SE431143B (sv) * | 1982-05-26 | 1984-01-16 | Ellemtel Utvecklings Ab | Sett och anordning for genomkopplingskontroll i ett digitalt telekommunikationsnet av tidsmultiplex typ |
US4683564A (en) * | 1982-11-22 | 1987-07-28 | Data Switch Corporation | Matrix switch system |
US4500985A (en) * | 1982-12-08 | 1985-02-19 | At&T Bell Laboratories | Communication path continuity verification arrangement |
US4520478A (en) * | 1983-06-22 | 1985-05-28 | Gte Automatic Electric Inc. | Space stage arrangement for a T-S-T digital switching system |
DE3566482D1 (en) * | 1984-05-29 | 1988-12-29 | Siemens Ag | Method for testing switched connexions of a multiplex space division switching network |
AR241357A1 (es) * | 1986-06-27 | 1992-05-29 | Siemens Ag | Disposicion de circuito para vigilar la transmision de informacion en vias de enlace tetrafilares conmutadas. |
US5956370A (en) * | 1996-01-17 | 1999-09-21 | Lsi Logic Corporation | Wrap-back test system and method |
US5781544A (en) * | 1996-01-17 | 1998-07-14 | Lsi Logic Corporation | Method for interleaving network traffic over serial lines |
US5787114A (en) * | 1996-01-17 | 1998-07-28 | Lsi Logic Corporation | Loop-back test system and method |
US5896426A (en) * | 1996-02-05 | 1999-04-20 | Lsi Logic Corporation | Programmable synchronization character |
US5781038A (en) * | 1996-02-05 | 1998-07-14 | Lsi Logic Corporation | High speed phase locked loop test method and means |
SE9603801L (sv) * | 1996-10-16 | 1998-04-17 | Ericsson Telefon Ab L M | System av kommunicerande enheter och ett förfarande i systemet |
SE517973C2 (sv) * | 1997-01-27 | 2002-08-13 | Ericsson Telefon Ab L M | Kontrollmetod vid växelenhet samt anordning verkande enligt metoden |
US6208621B1 (en) | 1997-12-16 | 2001-03-27 | Lsi Logic Corporation | Apparatus and method for testing the ability of a pair of serial data transceivers to transmit serial data at one frequency and to receive serial data at another frequency |
US6341142B2 (en) | 1997-12-16 | 2002-01-22 | Lsi Logic Corporation | Serial data transceiver including elements which facilitate functional testing requiring access to only the serial data ports, and an associated test method |
US6331999B1 (en) | 1998-01-15 | 2001-12-18 | Lsi Logic Corporation | Serial data transceiver architecture and test method for measuring the amount of jitter within a serial data stream |
JP3930440B2 (ja) | 2003-02-24 | 2007-06-13 | Ykk株式会社 | スライドファスナー用経編テープ |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4327263Y1 (th) * | 1967-11-28 | 1968-11-11 | ||
GB1257623A (th) * | 1967-12-11 | 1971-12-22 | Post Office | |
US3573377A (en) * | 1969-02-24 | 1971-04-06 | Bell Telephone Labor Inc | Equipment to coordinate establishment of audio and video connections through switching systems |
JPS4831812A (th) * | 1971-08-30 | 1973-04-26 | ||
JPS5314176B2 (th) * | 1972-05-15 | 1978-05-16 | ||
US3851122A (en) * | 1972-07-05 | 1974-11-26 | Gte Automatic Electric Lab Inc | Path verification arrangement for automatically testing conditions |
US3891805A (en) * | 1973-11-21 | 1975-06-24 | James Loton Flanagan | Digital signal detection in telephonic communication systems |
-
1975
- 1975-08-04 GB GB32583/75A patent/GB1504897A/en not_active Expired
- 1975-08-07 FI FI752246A patent/FI61375C/fi not_active IP Right Cessation
- 1975-08-08 DK DK362175AA patent/DK140200B/da not_active IP Right Cessation
- 1975-08-08 BE BE159044A patent/BE832249A/xx not_active IP Right Cessation
- 1975-08-08 IT IT26239/75A patent/IT1040390B/it active
- 1975-08-08 DK DK362175A patent/DK140200C/da active
- 1975-08-08 CA CA233,106A patent/CA1056039A/en not_active Expired
- 1975-08-08 ES ES440143A patent/ES440143A1/es not_active Expired
- 1975-08-08 DE DE2535573A patent/DE2535573C2/de not_active Expired
- 1975-08-08 NL NLAANVRAGE7509494,A patent/NL186286C/xx not_active IP Right Cessation
- 1975-08-08 JP JP50095971A patent/JPS5939941B2/ja not_active Expired
- 1975-08-08 NO NO75752785A patent/NO143647C/no unknown
- 1975-08-08 FR FR7524902A patent/FR2281605A1/fr active Granted
- 1975-08-11 US US05/603,501 patent/US4048445A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DK362175A (da) | 1976-02-10 |
JPS5144405A (th) | 1976-04-16 |
FI61375C (fi) | 1982-07-12 |
DK140200B (da) | 1979-07-02 |
NL7509494A (nl) | 1976-02-11 |
DK140200C (da) | 1979-11-26 |
US4048445A (en) | 1977-09-13 |
DE2535573C2 (de) | 1986-02-20 |
FR2281605B1 (th) | 1983-02-11 |
FR2281605A1 (fr) | 1976-03-05 |
IT1040390B (it) | 1979-12-20 |
FI752246A (th) | 1976-02-10 |
CA1056039A (en) | 1979-06-05 |
GB1504897A (en) | 1978-03-22 |
NL186286C (nl) | 1990-10-16 |
NO752785L (th) | 1976-02-10 |
ES440143A1 (es) | 1977-03-01 |
FI61375B (fi) | 1982-03-31 |
DE2535573A1 (de) | 1976-02-26 |
BE832249A (fr) | 1975-12-01 |
NO143647B (no) | 1980-12-08 |
NL186286B (nl) | 1990-05-16 |
JPS5939941B2 (ja) | 1984-09-27 |
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