NL6612564A - - Google Patents

Info

Publication number
NL6612564A
NL6612564A NL6612564A NL6612564A NL6612564A NL 6612564 A NL6612564 A NL 6612564A NL 6612564 A NL6612564 A NL 6612564A NL 6612564 A NL6612564 A NL 6612564A NL 6612564 A NL6612564 A NL 6612564A
Authority
NL
Netherlands
Application number
NL6612564A
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 filed Critical
Publication of NL6612564A publication Critical patent/NL6612564A/xx

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
    • H04M3/2272—Subscriber line supervision circuits, e.g. call detection circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
NL6612564A 1965-09-10 1966-09-06 NL6612564A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEST024377 1965-09-10

Publications (1)

Publication Number Publication Date
NL6612564A true NL6612564A (enrdf_load_stackoverflow) 1967-03-13

Family

ID=7460090

Family Applications (1)

Application Number Title Priority Date Filing Date
NL6612564A NL6612564A (enrdf_load_stackoverflow) 1965-09-10 1966-09-06

Country Status (4)

Country Link
BE (1) BE686584A (enrdf_load_stackoverflow)
CH (1) CH443411A (enrdf_load_stackoverflow)
FR (1) FR1513305A (enrdf_load_stackoverflow)
NL (1) NL6612564A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3783198A (en) * 1971-03-18 1974-01-01 Gte Automatic Electric Lab Inc Battery reversal detection

Also Published As

Publication number Publication date
CH443411A (de) 1967-09-15
FR1513305A (fr) 1968-02-16
BE686584A (enrdf_load_stackoverflow) 1967-03-08

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