DK480276A - - Google Patents

Info

Publication number
DK480276A
DK480276A DK480276A DK480276A DK480276A DK 480276 A DK480276 A DK 480276A DK 480276 A DK480276 A DK 480276A DK 480276 A DK480276 A DK 480276A DK 480276 A DK480276 A DK 480276A
Authority
DK
Denmark
Application number
DK480276A
Other languages
Danish (da)
Other versions
DK141230C (enrdf_load_html_response
DK141230B (da
Inventor
P A B Tornqvist
Original Assignee
Ericsson L M Tlfab
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 L M Tlfab filed Critical Ericsson L M Tlfab
Publication of DK480276A publication Critical patent/DK480276A/da
Publication of DK141230B publication Critical patent/DK141230B/da
Application granted granted Critical
Publication of DK141230C publication Critical patent/DK141230C/da

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/22—Arrangements for supervision, monitoring or testing
    • H04M3/2209—Arrangements for supervision, monitoring or testing for lines also used for data transmission

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Amplifiers (AREA)
  • Control Of Eletrric Generators (AREA)
DK480276AA 1975-10-24 1976-10-22 Telekommunikationsanlæg med automatisk alarm ved afbrydelse af signaloverføringen. DK141230B (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE7511950A SE387807B (sv) 1975-10-24 1975-10-24 Telekommunikationssystem i vilket ett larm vid ett avbrott i en tvavegs overforing av signaler er anordnat att kunna inhiberas
SE7511950 1975-10-24

Publications (3)

Publication Number Publication Date
DK480276A true DK480276A (enrdf_load_html_response) 1977-04-25
DK141230B DK141230B (da) 1980-02-04
DK141230C DK141230C (enrdf_load_html_response) 1980-07-21

Family

ID=20325897

Family Applications (1)

Application Number Title Priority Date Filing Date
DK480276AA DK141230B (da) 1975-10-24 1976-10-22 Telekommunikationsanlæg med automatisk alarm ved afbrydelse af signaloverføringen.

Country Status (4)

Country Link
DK (1) DK141230B (enrdf_load_html_response)
FI (1) FI62437C (enrdf_load_html_response)
NO (1) NO137876C (enrdf_load_html_response)
SE (1) SE387807B (enrdf_load_html_response)

Also Published As

Publication number Publication date
NO137876B (no) 1978-01-30
DK141230C (enrdf_load_html_response) 1980-07-21
NO137876C (no) 1978-05-24
FI762818A7 (enrdf_load_html_response) 1977-04-25
FI62437C (fi) 1982-12-10
SE387807B (sv) 1976-09-13
NO763607L (enrdf_load_html_response) 1977-04-26
DK141230B (da) 1980-02-04
FI62437B (fi) 1982-08-31

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Legal Events

Date Code Title Description
PUP Patent expired