NL6617469A - - Google Patents

Info

Publication number
NL6617469A
NL6617469A NL6617469A NL6617469A NL6617469A NL 6617469 A NL6617469 A NL 6617469A NL 6617469 A NL6617469 A NL 6617469A NL 6617469 A NL6617469 A NL 6617469A NL 6617469 A NL6617469 A NL 6617469A
Authority
NL
Netherlands
Application number
NL6617469A
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 filed Critical
Publication of NL6617469A publication Critical patent/NL6617469A/xx

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M1/00Substation equipment, e.g. for use by subscribers
    • H04M1/58Anti-side-tone circuits
    • H04M1/585Anti-side-tone circuits implemented without inductive element
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M9/00Arrangements for interconnection not involving centralised switching
    • H04M9/001Two-way communication systems between a limited number of parties

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Amplifiers (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Circuit For Audible Band Transducer (AREA)
NL6617469A 1965-12-16 1966-12-13 NL6617469A (enrdf_load_html_response)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE16307/65A SE316804B (enrdf_load_html_response) 1965-12-16 1965-12-16

Publications (1)

Publication Number Publication Date
NL6617469A true NL6617469A (enrdf_load_html_response) 1967-06-19

Family

ID=20302033

Family Applications (2)

Application Number Title Priority Date Filing Date
NL136415D NL136415C (enrdf_load_html_response) 1965-12-16
NL6617469A NL6617469A (enrdf_load_html_response) 1965-12-16 1966-12-13

Family Applications Before (1)

Application Number Title Priority Date Filing Date
NL136415D NL136415C (enrdf_load_html_response) 1965-12-16

Country Status (6)

Country Link
US (1) US3513259A (enrdf_load_html_response)
DE (1) DE1487228A1 (enrdf_load_html_response)
FR (1) FR1503218A (enrdf_load_html_response)
GB (1) GB1119268A (enrdf_load_html_response)
NL (2) NL6617469A (enrdf_load_html_response)
SE (1) SE316804B (enrdf_load_html_response)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2404344A1 (fr) * 1977-09-27 1979-04-20 Jeumont Schneider Equipement electronique d'abonne, a circuit de conversion deux fils-quatre fils, pour central telephonique
DE2840250C2 (de) * 1978-09-15 1983-01-20 Siemens AG, 1000 Berlin und 8000 München Schaltungsanordnung für eine leitungsgespeiste Lautfernsprechstation

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3041411A (en) * 1958-06-10 1962-06-26 Donald C Beatty Automatic, circuit-condition-change-responsive, on-off control for loudspeaking telephone and the like
US3075045A (en) * 1960-08-29 1963-01-22 Bell Telephone Labor Inc Speakerphone

Also Published As

Publication number Publication date
US3513259A (en) 1970-05-19
GB1119268A (en) 1968-07-10
SE316804B (enrdf_load_html_response) 1969-11-03
DE1487228A1 (de) 1969-04-03
FR1503218A (fr) 1967-11-24
NL136415C (enrdf_load_html_response)

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