NL257195A - - Google Patents

Info

Publication number
NL257195A
NL257195A NL257195DA NL257195A NL 257195 A NL257195 A NL 257195A NL 257195D A NL257195D A NL 257195DA NL 257195 A NL257195 A NL 257195A
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 NL257195A publication Critical patent/NL257195A/xx

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04F—TIME-INTERVAL MEASURING
    • G04F10/00—Apparatus for measuring unknown time intervals by electric means
    • G04F10/04—Apparatus for measuring unknown time intervals by electric means by counting pulses or half-cycles of an ac
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/24—Arrangements for testing
NL257195D 1959-10-24 NL257195A (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEK39005A DE1141683B (de) 1959-10-24 1959-10-24 Schaltungsanordnung zur Pruefung von Impulsreihengebern der Fernmeldetechnik, insbesondere von Nummernschaltern

Publications (1)

Publication Number Publication Date
NL257195A true NL257195A (zh)

Family

ID=7221573

Family Applications (2)

Application Number Title Priority Date Filing Date
NL257195D NL257195A (zh) 1959-10-24
NL130510D NL130510C (zh) 1959-10-24

Family Applications After (1)

Application Number Title Priority Date Filing Date
NL130510D NL130510C (zh) 1959-10-24

Country Status (2)

Country Link
DE (1) DE1141683B (zh)
NL (2) NL130510C (zh)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1194921B (de) * 1963-10-22 1965-06-16 Siemens Ag Schaltungsanordnung fuer Fernmeldeanlagen, insbesondere Fernsprechwaehlaglagen, bei der zur Messung zweier Zeitvorgaenge, vorzugsweise zur Pruefung von Impulsreihen auf Impuls- und Pausendauer, der Ladungszustand von Kondensatoren geaendert wird
DE2437114A1 (de) * 1974-08-01 1976-02-12 Dirin Pruefer fuer impulsparameter von fernsprechapparat-nummernschaltern

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE959572C (de) * 1954-05-24 1957-03-07 Marconi S Wireless Telegraph Schaltungsanordnung zur Messung der Impulsdauer von periodisch wiederkehrenden, elektrischen Impulsen

Also Published As

Publication number Publication date
DE1141683B (de) 1962-12-27
NL130510C (zh)

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