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GB1327861A - Apparatus for coupling out and or separating signals on subscribers line - Google Patents

Apparatus for coupling out and or separating signals on subscribers line

Info

Publication number
GB1327861A
GB1327861A GB2076171A GB2076171A GB1327861A GB 1327861 A GB1327861 A GB 1327861A GB 2076171 A GB2076171 A GB 2076171A GB 2076171 A GB2076171 A GB 2076171A GB 1327861 A GB1327861 A GB 1327861A
Authority
GB
United Kingdom
Prior art keywords
dialling
cps
pulses
low pass
filter
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
GB2076171A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zellweger Uster AG
Original Assignee
Zellweger Uster AG
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 Zellweger Uster AG filed Critical Zellweger Uster AG
Publication of GB1327861A publication Critical patent/GB1327861A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M3/00Automatic or semi-automatic exchanges
    • H04M3/22Arrangements for supervision, monitoring or testing
    • H04M3/24Arrangements for supervision, monitoring or testing with provision for checking the normal operation

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Telephonic Communication Services (AREA)
  • Devices For Supply Of Signal Current (AREA)
  • Polyurethanes Or Polyureas (AREA)
GB2076171A 1970-02-03 1971-04-19 Apparatus for coupling out and or separating signals on subscribers line Expired GB1327861A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH156370A CH519834A (de) 1970-02-03 1970-02-03 Verfahren und Vorrichtung zur Auskoppelung von Signalen auf Teilnehmerleitungen

Publications (1)

Publication Number Publication Date
GB1327861A true GB1327861A (en) 1973-08-22

Family

ID=4213344

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2076171A Expired GB1327861A (en) 1970-02-03 1971-04-19 Apparatus for coupling out and or separating signals on subscribers line

Country Status (7)

Country Link
CH (1) CH519834A (de)
DE (1) DE2100457B2 (de)
ES (1) ES387708A1 (de)
FI (1) FI56463C (de)
GB (1) GB1327861A (de)
NO (1) NO132888C (de)
YU (1) YU34176B (de)

Also Published As

Publication number Publication date
DE2100457A1 (de) 1971-08-12
NO132888C (de) 1976-01-21
FI56463B (fi) 1979-09-28
DE2100457B2 (de) 1978-06-08
NO132888B (de) 1975-10-13
YU16171A (en) 1978-06-30
FI56463C (fi) 1980-01-10
YU34176B (en) 1978-12-31
ES387708A1 (es) 1973-05-16
CH519834A (de) 1972-02-29

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee