IN150495B - - Google Patents

Info

Publication number: IN150495B
Authority: IN; India

Application number

IN863/CAL/78A

Inventor

H Brand

Original Assignee

Int Standard Electric Corp

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1977-08-05

Filing date

1978-08-07

Publication date

1982-10-23

1978-08-07 Application filed by Int Standard Electric Corp filed Critical Int Standard Electric Corp

1982-10-23 Publication of IN150495B publication Critical patent/IN150495B/en

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
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/22—Arrangements for supervision, monitoring or testing
- H04M3/26—Arrangements for supervision, monitoring or testing with means for applying test signals or for measuring
- H04M3/28—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor
- H04M3/30—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor for subscriber's lines, for the local loop
- H04M3/301—Circuit arrangements at the subscriber's side of the line
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/22—Arrangements for supervision, monitoring or testing
- H04M3/26—Arrangements for supervision, monitoring or testing with means for applying test signals or for measuring
- H04M3/28—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor
- H04M3/30—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor for subscriber's lines, for the local loop
- H04M3/302—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor for subscriber's lines, for the local loop using modulation techniques for copper pairs
- H04M3/303—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor for subscriber's lines, for the local loop using modulation techniques for copper pairs and using PCM multiplexers, e.g. pair gain systems

Landscapes

Engineering & Computer Science (AREA)
Signal Processing (AREA)
Computer Networks & Wireless Communication (AREA)
Monitoring And Testing Of Exchanges (AREA)
Investigating Or Analysing Biological Materials (AREA)
Bidet-Like Cleaning Device And Other Flush Toilet Accessories (AREA)
Diaphragms For Electromechanical Transducers (AREA)
Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)

IN863/CAL/78A 1977-08-05 1978-08-07 IN150495B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE2735341A DE2735341C3 (en)	1977-08-05	1977-08-05	Arrangement for the continuity test in telecommunication systems

Publications (1)

Publication Number	Publication Date
IN150495B true IN150495B (en)	1982-10-23

Family

ID=6015717

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IN863/CAL/78A IN150495B (en)	1977-08-05	1978-08-07

Country Status (16)

Country	Link
JP (1)	JPS5434706A (en)
AR (1)	AR215513A1 (en)
AU (1)	AU3844578A (en)
BE (1)	BE869472A (en)
BR (1)	BR7804946A (en)
DE (1)	DE2735341C3 (en)
DK (1)	DK344078A (en)
ES (1)	ES472357A1 (en)
FI (1)	FI782394A (en)
FR (1)	FR2399775A1 (en)
GB (1)	GB2002202B (en)
GR (1)	GR65208B (en)
IN (1)	IN150495B (en)
NL (1)	NL7807402A (en)
NO (1)	NO782622L (en)
SE (1)	SE7808251L (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS5473507A (en) *	1977-11-25	1979-06-12	Oki Electric Ind Co Ltd	Channel test system
DE3005799C2 (en) *	1980-02-13	1981-10-01	Siemens AG, 1000 Berlin und 8000 München	Test device for telecommunications systems, in particular company telephone systems, with a coupling network that connects four-wire transmission devices
US4393491A (en) *	1980-11-05	1983-07-12	Anaconda-Ericsson	Automatic self-test system for a digital multiplexed telecommunication system
JPS57143968A (en) *	1981-03-02	1982-09-06	Oki Electric Ind Co Ltd	Channel test system
FR2502432A1 (en) *	1981-03-18	1982-09-24	Trt Telecom Radio Electr	SUBSCRIBER JUMPER TESTING SYSTEM
FR2503511A1 (en) *	1981-04-03	1982-10-08	Cit Alcatel	Digital switching system for telephonic auto-commutator - utilises microprocessor in marker unit to drive memory controller for buffer memories in switching network
CA1203875A (en) *	1983-06-16	1986-04-29	Mitel Corporation	Switching system loopback test circuit
DE4141090A1 (en) *	1991-12-13	1993-06-17	Kommunikations Elektronik	METHOD FOR CHECKING THE FUNCTIONALITY OF TRANSMISSION LINKS OF MESSAGE TECHNICAL SIGNALS

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE1168506B (en) *	1961-09-15	1964-04-23	Siemens Ag	Circuit arrangement for testing signal channels in telecommunications systems
DE1202348B (en) *	1963-02-23	1965-10-07	Standard Elektrik Lorenz Ag	Method for testing the connection wires in telecommunications switching systems, in particular telephone dialing systems
FR2026141A1 (en) *	1968-12-14	1970-09-11	Sits Soc It Telecom Siemens
DE1964870B2 (en) *	1969-12-24	1976-11-11	Vieriing, Oskar, Prof. Dr.phil.habil., 8553 Ebermannstadt	Measurement of hybrid line characteristics - line not directly accessible measured from terminal connecting lines
JPS5428686B2 (en) *	1971-08-11	1979-09-18
CH541265A (en) *	1972-02-29	1973-08-31	Generaldirektion Ptt Hasler Ag	Method for testing four-wire connections between two switching points of a telecommunications network that are to be connected to one another
GB1489742A (en) *	1974-10-17	1977-10-26	Post Office	Telecommunication system networks
GB1489743A (en) *	1974-10-17	1977-10-26	Post Office	Telecommunication system networks
GB1489741A (en) *	1974-10-17	1977-10-26	Post Office	Telecommunication system networks
US4064369A (en) *	1975-01-31	1977-12-20	North Electric Company	Method and apparatus for path testing in a time division multiplex switching network
GB1540900A (en) *	1975-06-30	1979-02-21	Ericsson L M Pty Ltd	Digital testing and power control in a digital communication system
JPS5389307A (en) *	1977-01-17	1978-08-05	Hitachi Ltd	Test system for communicating line system

1977
- 1977-08-05 DE DE2735341A patent/DE2735341C3/en not_active Expired
1978
- 1978-07-10 NL NL787807402A patent/NL7807402A/en not_active Application Discontinuation
- 1978-07-12 GR GR56761A patent/GR65208B/en unknown
- 1978-07-25 GB GB7831062A patent/GB2002202B/en not_active Expired
- 1978-07-28 AU AU38445/78A patent/AU3844578A/en active Pending
- 1978-07-31 SE SE7808251A patent/SE7808251L/en unknown
- 1978-08-01 NO NO782622A patent/NO782622L/en unknown
- 1978-08-01 AR AR273166A patent/AR215513A1/en active
- 1978-08-02 BR BR7804946A patent/BR7804946A/en unknown
- 1978-08-03 FI FI782394A patent/FI782394A/en not_active Application Discontinuation
- 1978-08-03 FR FR7822939A patent/FR2399775A1/en active Pending
- 1978-08-03 DK DK344078A patent/DK344078A/en unknown
- 1978-08-03 BE BE7857192A patent/BE869472A/en unknown
- 1978-08-04 ES ES472357A patent/ES472357A1/en not_active Expired
- 1978-08-04 JP JP9467178A patent/JPS5434706A/en active Pending
- 1978-08-07 IN IN863/CAL/78A patent/IN150495B/en unknown

Also Published As

Publication number	Publication date
DE2735341B2 (en)	1979-06-07
AR215513A1 (en)	1979-10-15
DE2735341A1 (en)	1979-02-08
FI782394A (en)	1979-02-06
NO782622L (en)	1979-02-06
SE7808251L (en)	1979-02-06
GB2002202A (en)	1979-02-14
ES472357A1 (en)	1979-04-01
DE2735341C3 (en)	1984-05-10
NL7807402A (en)	1979-02-07
BE869472A (en)	1979-02-05
FR2399775A1 (en)	1979-03-02
DK344078A (en)	1979-02-06
AU3844578A (en)	1980-01-31
BR7804946A (en)	1979-04-10
JPS5434706A (en)	1979-03-14
GB2002202B (en)	1982-01-06
GR65208B (en)	1980-07-29

Publication	Publication Date	Title
FR2379104B1 (en)	1984-02-10
IN150495B (en)	1982-10-23
FR2378570B1 (en)	1980-04-30
AU3353778A (en)	1979-08-30
FR2379050B1 (en)	1981-01-16
AU495917B2 (en)	1977-04-28
AR210643A1 (en)	1977-08-31
AU71461S (en)	1977-08-02
BG24713A1 (en)	1978-05-12
BE872973A (en)	1979-04-17
BG25850A1 (en)	1979-01-12
BG25809A1 (en)	1979-01-12
BG25824A1 (en)	1979-01-12
BG25848A1 (en)	1979-01-12
BG25825A1 (en)	1979-01-12
BG25847A1 (en)	1979-01-12
BG25845A1 (en)	1979-01-12
BG25826A1 (en)	1979-01-12
BG25822A1 (en)	1979-01-12
BG25827A2 (en)	1979-01-12
BG25820A1 (en)	1979-01-12
BG25844A1 (en)	1979-01-12
BG25808A1 (en)	1979-01-12
BG25841A1 (en)	1979-01-12
BG25811A1 (en)	1979-01-12