GB1327673A - Apparatus for forming signals indicative of conditions on a subscribers line - Google Patents

Apparatus for forming signals indicative of conditions on a subscribers line

Info

Publication number
GB1327673A
GB1327673A GB2076071A GB2076071A GB1327673A GB 1327673 A GB1327673 A GB 1327673A GB 2076071 A GB2076071 A GB 2076071A GB 2076071 A GB2076071 A GB 2076071A GB 1327673 A GB1327673 A GB 1327673A
Authority
GB
United Kingdom
Prior art keywords
line
pulses
metering
gate
looped
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
GB2076071A
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 GB1327673A publication Critical patent/GB1327673A/en
Expired legal-status Critical Current

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
    • H04M3/24—Arrangements for supervision, monitoring or testing with provision for checking the normal operation

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Telephonic Communication Services (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
GB2076071A 1970-02-09 1971-04-19 Apparatus for forming signals indicative of conditions on a subscribers line Expired GB1327673A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH187070A CH520453A (de) 1970-02-09 1970-02-09 Verfahren und Vorrichtung zur Bildung von Signalen, welche den Belegungszustand und/oder Dienstsignale auf einer Teilnehmerleitung anzeigen

Publications (1)

Publication Number Publication Date
GB1327673A true GB1327673A (en) 1973-08-22

Family

ID=4220514

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2076071A Expired GB1327673A (en) 1970-02-09 1971-04-19 Apparatus for forming signals indicative of conditions on a subscribers line

Country Status (7)

Country Link
CH (1) CH520453A (enrdf_load_stackoverflow)
DE (1) DE2101052C3 (enrdf_load_stackoverflow)
ES (1) ES388102A1 (enrdf_load_stackoverflow)
FI (1) FI57858C (enrdf_load_stackoverflow)
GB (1) GB1327673A (enrdf_load_stackoverflow)
NO (1) NO133864C (enrdf_load_stackoverflow)
SE (1) SE418237B (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006128868A1 (de) * 2005-06-02 2006-12-07 Siemens Aktiengesellschaft Verfahren und testeinrichtung zur überprüfung der übertragung eines eine bestimmte frequenz aufweisenden gebührenimpulses

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19609233B4 (de) * 1996-03-09 2005-09-01 Deutsche Telekom Ag Verfahren zur Erzeugung eines Steuersignals in einem Impulswahlverfahren für eine öffentliche Vermittlungsstelle

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006128868A1 (de) * 2005-06-02 2006-12-07 Siemens Aktiengesellschaft Verfahren und testeinrichtung zur überprüfung der übertragung eines eine bestimmte frequenz aufweisenden gebührenimpulses

Also Published As

Publication number Publication date
DE2101052C3 (de) 1979-01-18
FI57858B (fi) 1980-06-30
FI57858C (fi) 1980-10-10
NO133864C (enrdf_load_stackoverflow) 1976-07-14
DE2101052B2 (de) 1978-05-24
SE418237B (sv) 1981-05-11
NO133864B (enrdf_load_stackoverflow) 1976-03-29
DE2101052A1 (de) 1971-08-19
CH520453A (de) 1972-03-15
ES388102A1 (es) 1973-05-01

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Legal Events

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