GB706785A - Improvements in or relating to telephone subsets - Google Patents

Improvements in or relating to telephone subsets

Info

Publication number
GB706785A
GB706785A GB976751A GB976751A GB706785A GB 706785 A GB706785 A GB 706785A GB 976751 A GB976751 A GB 976751A GB 976751 A GB976751 A GB 976751A GB 706785 A GB706785 A GB 706785A
Authority
GB
United Kingdom
Prior art keywords
circuits
april
receiver
resistance
relating
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
GB976751A
Other languages
English (en)
Inventor
Anthony Crisp Beadle
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.)
STC PLC
Original Assignee
Standard Telephone and Cables PLC
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 Standard Telephone and Cables PLC filed Critical Standard Telephone and Cables PLC
Publication of GB706785A publication Critical patent/GB706785A/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
    • H04M1/58—Anti-side-tone circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
GB976751A 1957-05-10 1951-04-26 Improvements in or relating to telephone subsets Expired GB706785A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1492157A GB863642A (en) 1957-05-10 1957-05-10 Improvements in or relating to telephone sub-sets

Publications (1)

Publication Number Publication Date
GB706785A true GB706785A (en) 1954-04-07

Family

ID=10049919

Family Applications (2)

Application Number Title Priority Date Filing Date
GB976751A Expired GB706785A (en) 1957-05-10 1951-04-26 Improvements in or relating to telephone subsets
GB1492157A Expired GB863642A (en) 1957-05-10 1957-05-10 Improvements in or relating to telephone sub-sets

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB1492157A Expired GB863642A (en) 1957-05-10 1957-05-10 Improvements in or relating to telephone sub-sets

Country Status (2)

Country Link
BE (1) BE510952A (enrdf_load_stackoverflow)
GB (2) GB706785A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1204273B (de) * 1960-10-07 1965-11-04 Telefonaktiebolager Lm Ericsso Schaltungsanordnung zum selbsttaetigen Pegelausgleich fuer Fernsprechapparate

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1204273B (de) * 1960-10-07 1965-11-04 Telefonaktiebolager Lm Ericsso Schaltungsanordnung zum selbsttaetigen Pegelausgleich fuer Fernsprechapparate

Also Published As

Publication number Publication date
BE510952A (enrdf_load_stackoverflow)
GB863642A (en) 1961-03-22

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