IT1049776B - Dispositivo per la prova di ripetitori di telecomunicazione - Google Patents

Dispositivo per la prova di ripetitori di telecomunicazione

Info

Publication number
IT1049776B
IT1049776B IT29610/75A IT2961075A IT1049776B IT 1049776 B IT1049776 B IT 1049776B IT 29610/75 A IT29610/75 A IT 29610/75A IT 2961075 A IT2961075 A IT 2961075A IT 1049776 B IT1049776 B IT 1049776B
Authority
IT
Italy
Prior art keywords
testing telecommunication
repeaters
telecommunication repeaters
testing
telecommunication
Prior art date
Application number
IT29610/75A
Other languages
English (en)
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.)
Filing date
Publication date
Application filed by Int Standard Electric Corp filed Critical Int Standard Electric Corp
Application granted granted Critical
Publication of IT1049776B publication Critical patent/IT1049776B/it

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/24—Testing correct operation
    • H04L1/245—Testing correct operation by using the properties of transmission codes
    • H04L1/247—Testing correct operation by using the properties of transmission codes three-level transmission codes, e.g. ternary
IT29610/75A 1974-12-03 1975-11-25 Dispositivo per la prova di ripetitori di telecomunicazione IT1049776B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5224874A GB1457067A (en) 1974-12-03 1974-12-03 Arrangement for testing telecommunication repeaters

Publications (1)

Publication Number Publication Date
IT1049776B true IT1049776B (it) 1981-02-10

Family

ID=10463190

Family Applications (1)

Application Number Title Priority Date Filing Date
IT29610/75A IT1049776B (it) 1974-12-03 1975-11-25 Dispositivo per la prova di ripetitori di telecomunicazione

Country Status (7)

Country Link
US (1) US4001525A (it)
AU (1) AU501141B2 (it)
CA (1) CA1047937A (it)
ES (1) ES443176A1 (it)
GB (1) GB1457067A (it)
IT (1) IT1049776B (it)
ZA (1) ZA756619B (it)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4097697A (en) * 1977-06-02 1978-06-27 Northern Telecom Limited Digital signal performance monitor
AU525766B2 (en) * 1978-11-15 1982-12-02 Australian Telecommunications Commission Noise assessment of pcm regenerator
US4221939A (en) * 1979-05-07 1980-09-09 Bell Telephone Laboratories, Incorporated Method and apparatus for determining the tuned frequency of a digital repeater
FR2469054A1 (fr) * 1979-10-31 1981-05-08 Cit Alcatel Dispositif de mesure de l'attenuation d'un trajet de transmission
DE3044526A1 (de) * 1980-11-26 1982-06-24 Siemens AG, 1000 Berlin und 8000 München Regenerator fuer im ternaeren ami-code vorliegende digitale signale
US4592068A (en) * 1980-12-23 1986-05-27 International Standard Electric Corporation Repeater for a digital transmission system
DE3214555A1 (de) * 1982-04-20 1983-10-20 Siemens AG, 1000 Berlin und 8000 München Regenerator fuer digitale signale im ami-code mit einem coderegelverletzungspruefer
US6813339B2 (en) 2002-05-17 2004-11-02 Sbc Technology Resources, Inc Telecommunications line test extension apparatus

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5012859B1 (it) * 1969-12-16 1975-05-15
US3678222A (en) * 1970-11-25 1972-07-18 Stromberg Carlson Corp Test apparatus for digital repeaters
FR2116685A5 (it) * 1970-12-03 1972-07-21 Lachaise Jean
US3906174A (en) * 1973-11-16 1975-09-16 Gte Automatic Electric Lab Inc Cable pair testing arrangement
US3870838A (en) * 1974-03-11 1975-03-11 Bell Telephone Labor Inc Means and apparatus for fault locating pulse regenerators
US3917916A (en) * 1974-08-29 1975-11-04 Wescom Method and means for interrogation of digital repeatered lines

Also Published As

Publication number Publication date
US4001525A (en) 1977-01-04
GB1457067A (en) 1976-12-01
ZA756619B (en) 1976-09-29
ES443176A1 (es) 1977-07-16
AU8668075A (en) 1977-05-26
AU501141B2 (en) 1979-06-14
CA1047937A (en) 1979-02-06

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