MX149951A - Mejoras en aparato de intercambio telefonico para eliminar fallas - Google Patents

Mejoras en aparato de intercambio telefonico para eliminar fallas

Info

Publication number
MX149951A
MX149951A MX189894A MX18989481A MX149951A MX 149951 A MX149951 A MX 149951A MX 189894 A MX189894 A MX 189894A MX 18989481 A MX18989481 A MX 18989481A MX 149951 A MX149951 A MX 149951A
Authority
MX
Mexico
Prior art keywords
exchange device
telephone exchange
eliminate faults
faults
eliminate
Prior art date
Application number
MX189894A
Other languages
English (en)
Inventor
Per Inge Holm
Karl Folke Lennart Niberg
Ulf Ake Sodermark
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Publication of MX149951A publication Critical patent/MX149951A/es

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/08—Indicating faults in circuits or apparatus
    • H04M3/12—Marking faulty circuits "busy"; Enabling equipment to disengage itself from faulty circuits ; Using redundant circuits; Response of a circuit, apparatus or system to an error

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Telephonic Communication Services (AREA)
  • Telephone Function (AREA)
MX189894A 1980-11-06 1981-10-30 Mejoras en aparato de intercambio telefonico para eliminar fallas MX149951A (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8007825A SE444628B (sv) 1980-11-06 1980-11-06 Forfarande i en telefonvexel for eliminering av storningar

Publications (1)

Publication Number Publication Date
MX149951A true MX149951A (es) 1984-02-13

Family

ID=20342189

Family Applications (1)

Application Number Title Priority Date Filing Date
MX189894A MX149951A (es) 1980-11-06 1981-10-30 Mejoras en aparato de intercambio telefonico para eliminar fallas

Country Status (11)

Country Link
US (1) US4429184A (es)
AU (1) AU540467B2 (es)
BE (1) BE890980A (es)
BR (1) BR8107185A (es)
ES (1) ES8300234A1 (es)
FI (1) FI74566C (es)
GB (1) GB2087196B (es)
IE (1) IE52275B1 (es)
IT (1) IT1142053B (es)
MX (1) MX149951A (es)
SE (1) SE444628B (es)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4774722A (en) * 1987-06-15 1988-09-27 The Sherman Electronics Corporation Telephone line activity monitoring method and device
SE521034C2 (sv) * 1996-06-12 2003-09-23 Telia Ab Anordning för att återställa teletrafiken i ett telenät vid ett avbrott i eldistributionen

Also Published As

Publication number Publication date
SE444628B (sv) 1986-04-21
ES506860A0 (es) 1982-10-01
BR8107185A (pt) 1982-07-20
GB2087196B (en) 1984-07-18
IT1142053B (it) 1986-10-08
AU540467B2 (en) 1984-11-22
ES8300234A1 (es) 1982-10-01
FI813359L (fi) 1982-05-07
US4429184A (en) 1984-01-31
SE8007825L (sv) 1982-05-07
IT8124899A0 (it) 1981-11-05
FI74566C (sv) 1988-02-08
IE52275B1 (en) 1987-09-02
AU7711981A (en) 1982-05-13
IE812579L (en) 1982-05-06
BE890980A (fr) 1982-03-01
GB2087196A (en) 1982-05-19
FI74566B (fi) 1987-10-30

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