GB1077478A - Improvements in or relating to telecommunications systems subscriber's sets - Google Patents

Improvements in or relating to telecommunications systems subscriber's sets

Info

Publication number
GB1077478A
GB1077478A GB4471265A GB4471265A GB1077478A GB 1077478 A GB1077478 A GB 1077478A GB 4471265 A GB4471265 A GB 4471265A GB 4471265 A GB4471265 A GB 4471265A GB 1077478 A GB1077478 A GB 1077478A
Authority
GB
United Kingdom
Prior art keywords
relay
handset
oct
key
differential
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
GB4471265A
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.)
Siemens AG
Original Assignee
Siemens 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 Siemens AG filed Critical Siemens AG
Publication of GB1077478A publication Critical patent/GB1077478A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/26—Devices for calling a subscriber
    • H04M1/53—Generation of additional signals, e.g. additional pulses
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Telephonic Communication Services (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
GB4471265A 1964-10-23 1965-10-22 Improvements in or relating to telecommunications systems subscriber's sets Expired GB1077478A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1964S0093863 DE1211288C2 (de) 1964-10-23 1964-10-23 Schaltungsanordnung fuer waehlstationen in fernsprechanlagen, insbesondere fernsprechnebenstellenanlagen mit erdtaste

Publications (1)

Publication Number Publication Date
GB1077478A true GB1077478A (en) 1967-07-26

Family

ID=7518315

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4471265A Expired GB1077478A (en) 1964-10-23 1965-10-22 Improvements in or relating to telecommunications systems subscriber's sets

Country Status (7)

Country Link
AT (1) AT259034B (de)
BE (1) BE671296A (de)
CH (1) CH441446A (de)
DE (1) DE1211288C2 (de)
GB (1) GB1077478A (de)
NL (1) NL153750B (de)
SE (1) SE318913B (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2210852C2 (de) * 1972-03-07 1982-07-29 Telefonbau Und Normalzeit Gmbh, 6000 Frankfurt Schaltungsanordnung zur Wählzeichenstromstoßgabe in Fernmeldeanlagen
DE3541546A1 (de) * 1985-11-25 1987-05-27 Ant Nachrichtentech Anordnung zur realisierung einer erdtastenfunktion

Also Published As

Publication number Publication date
NL6513143A (de) 1966-04-25
NL153750B (nl) 1977-06-15
DE1211288C2 (de) 1975-01-09
CH441446A (de) 1967-08-15
SE318913B (de) 1969-12-22
DE1211288B (de) 1975-01-09
BE671296A (de) 1966-04-22
AT259034B (de) 1967-12-27

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