NL127682C - - Google Patents

Info

Publication number
NL127682C
NL127682C NL127682DA NL127682C NL 127682 C NL127682 C NL 127682C NL 127682D A NL127682D A NL 127682DA NL 127682 C NL127682 C NL 127682C
Authority
NL
Netherlands
Application number
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.)
Publication of NL127682C publication Critical patent/NL127682C/xx

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M3/00Automatic or semi-automatic exchanges
    • H04M3/42Systems providing special services or facilities to subscribers
    • H04M3/56Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M3/00Automatic or semi-automatic exchanges
    • H04M3/42Systems providing special services or facilities to subscribers
    • H04M3/56Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities
    • H04M3/568Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities audio processing specific to telephonic conferencing, e.g. spatial distribution, mixing of participants

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Circuit For Audible Band Transducer (AREA)
NL127682D 1960-05-16 NL127682C (pm)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL251680 1960-05-16

Publications (1)

Publication Number Publication Date
NL127682C true NL127682C (pm)

Family

ID=19752351

Family Applications (2)

Application Number Title Priority Date Filing Date
NL127682D NL127682C (pm) 1960-05-16
NL251680D NL251680A (pm) 1960-05-16

Family Applications After (1)

Application Number Title Priority Date Filing Date
NL251680D NL251680A (pm) 1960-05-16

Country Status (4)

Country Link
BE (1) BE603609A (pm)
CH (1) CH424876A (pm)
DE (1) DE1190050B (pm)
NL (2) NL251680A (pm)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE825854C (de) * 1949-08-26 1951-12-20 Mix & Genest A G Sprechschaltung fuer vierdraehtige Durchschaltung

Also Published As

Publication number Publication date
CH424876A (de) 1966-11-30
NL251680A (pm)
DE1190050B (de) 1965-04-01
BE603609A (nl) 1961-09-01

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