AT382989B - COUPLERS FOR CONNECTING N AUDIO INPUTS TO M AUDIO OUTPUTS, IN PARTICULAR FOR CONFERENCE CIRCUITS - Google Patents

COUPLERS FOR CONNECTING N AUDIO INPUTS TO M AUDIO OUTPUTS, IN PARTICULAR FOR CONFERENCE CIRCUITS

Info

Publication number
AT382989B
AT382989B AT139884A AT139884A AT382989B AT 382989 B AT382989 B AT 382989B AT 139884 A AT139884 A AT 139884A AT 139884 A AT139884 A AT 139884A AT 382989 B AT382989 B AT 382989B
Authority
AT
Austria
Prior art keywords
audio
couplers
conference circuits
inputs
outputs
Prior art date
Application number
AT139884A
Other languages
German (de)
Other versions
ATA139884A (en
Inventor
Alfred Ing Kraker
Original Assignee
Siemens Ag Oesterreich
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 Oesterreich filed Critical Siemens Ag Oesterreich
Priority to AT139884A priority Critical patent/AT382989B/en
Priority to DE19853515008 priority patent/DE3515008A1/en
Publication of ATA139884A publication Critical patent/ATA139884A/en
Application granted granted Critical
Publication of AT382989B publication Critical patent/AT382989B/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/42—Systems providing special services or facilities to subscribers
    • H04M3/56—Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities
    • H04M3/561—Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities by multiplexing

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Telephonic Communication Services (AREA)
  • Analogue/Digital Conversion (AREA)
AT139884A 1984-04-27 1984-04-27 COUPLERS FOR CONNECTING N AUDIO INPUTS TO M AUDIO OUTPUTS, IN PARTICULAR FOR CONFERENCE CIRCUITS AT382989B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
AT139884A AT382989B (en) 1984-04-27 1984-04-27 COUPLERS FOR CONNECTING N AUDIO INPUTS TO M AUDIO OUTPUTS, IN PARTICULAR FOR CONFERENCE CIRCUITS
DE19853515008 DE3515008A1 (en) 1984-04-27 1985-04-25 High-speed digital-analog conversion for couplers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT139884A AT382989B (en) 1984-04-27 1984-04-27 COUPLERS FOR CONNECTING N AUDIO INPUTS TO M AUDIO OUTPUTS, IN PARTICULAR FOR CONFERENCE CIRCUITS

Publications (2)

Publication Number Publication Date
ATA139884A ATA139884A (en) 1986-09-15
AT382989B true AT382989B (en) 1987-05-11

Family

ID=3513013

Family Applications (1)

Application Number Title Priority Date Filing Date
AT139884A AT382989B (en) 1984-04-27 1984-04-27 COUPLERS FOR CONNECTING N AUDIO INPUTS TO M AUDIO OUTPUTS, IN PARTICULAR FOR CONFERENCE CIRCUITS

Country Status (2)

Country Link
AT (1) AT382989B (en)
DE (1) DE3515008A1 (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2117601A (en) * 1982-03-12 1983-10-12 Western Electric Co Conference circuit

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2117601A (en) * 1982-03-12 1983-10-12 Western Electric Co Conference circuit

Also Published As

Publication number Publication date
ATA139884A (en) 1986-09-15
DE3515008A1 (en) 1985-10-31

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee
UEP Publication of translation of european patent specification