NL221978A - - Google Patents

Info

Publication number
NL221978A
NL221978A NL221978DA NL221978A NL 221978 A NL221978 A NL 221978A NL 221978D A NL221978D A NL 221978DA NL 221978 A NL221978 A NL 221978A
Authority
NL
Netherlands
Application number
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.)
Publication of NL221978A publication Critical patent/NL221978A/xx
Priority claimed from DES51084A external-priority patent/DE1039579B/de

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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01C—RESISTORS
    • H01C11/00—Non-adjustable liquid resistors
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q1/00—Details of selecting apparatus or arrangements
    • H04Q1/18—Electrical details
    • H04Q1/30—Signalling arrangements; Manipulation of signalling currents
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Microelectronics & Electronic Packaging (AREA)
NL221978D 1956-10-31 NL221978A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DES51084A DE1039579B (de) 1956-10-23 1956-10-31 Mehrdeutigkeitspruefer zur Abgabe eines Signals, wenn gleichzeitig mehrere Potentialquellen einer Mehrzahl von funktionell zusammengehoerenden Potentialquellen ein bestimmtes Schaltpotential aufweisen

Publications (1)

Publication Number Publication Date
NL221978A true NL221978A (enrdf_load_stackoverflow)

Family

ID=7488086

Family Applications (2)

Application Number Title Priority Date Filing Date
NL107971D NL107971C (enrdf_load_stackoverflow) 1956-10-31
NL221978D NL221978A (enrdf_load_stackoverflow) 1956-10-31

Family Applications Before (1)

Application Number Title Priority Date Filing Date
NL107971D NL107971C (enrdf_load_stackoverflow) 1956-10-31

Country Status (3)

Country Link
BE (1) BE562080A (enrdf_load_stackoverflow)
CH (1) CH362128A (enrdf_load_stackoverflow)
NL (2) NL221978A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
BE562080A (enrdf_load_stackoverflow)
NL107971C (enrdf_load_stackoverflow)
CH362128A (de) 1962-05-31

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