DK176293B1 - Gennemvalgskredslöb - Google Patents

Gennemvalgskredslöb Download PDF

Info

Publication number
DK176293B1
DK176293B1 DK199300531A DK53193A DK176293B1 DK 176293 B1 DK176293 B1 DK 176293B1 DK 199300531 A DK199300531 A DK 199300531A DK 53193 A DK53193 A DK 53193A DK 176293 B1 DK176293 B1 DK 176293B1
Authority
DK
Denmark
Prior art keywords
circuit
signal
impedance
diod
detecting
Prior art date
Application number
DK199300531A
Other languages
Danish (da)
English (en)
Other versions
DK53193D0 (da
DK53193A (da
Inventor
Kyung-Hwa Min
Original Assignee
Samsung Electronics Co Ltd
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 Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Publication of DK53193D0 publication Critical patent/DK53193D0/da
Publication of DK53193A publication Critical patent/DK53193A/da
Application granted granted Critical
Publication of DK176293B1 publication Critical patent/DK176293B1/da

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/58—Arrangements providing connection between main exchange and sub-exchange or satellite
    • H04Q3/62—Arrangements providing connection between main exchange and sub-exchange or satellite for connecting to private branch exchanges
    • H04Q3/625—Arrangements in the private branch exchange
    • H04Q3/627—Details
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M7/00—Arrangements for interconnection between switching centres
    • H04M7/0096—Trunk circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/58—Arrangements providing connection between main exchange and sub-exchange or satellite
    • H04Q3/62—Arrangements providing connection between main exchange and sub-exchange or satellite for connecting to private branch exchanges
    • H04Q3/625—Arrangements in the private branch exchange

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
  • Devices For Supply Of Signal Current (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Telephonic Communication Services (AREA)
DK199300531A 1992-05-09 1993-05-06 Gennemvalgskredslöb DK176293B1 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1019920007883A KR950012585B1 (ko) 1992-05-09 1992-05-09 양방향 다이얼링 트렁크 인터페이싱회로
KR920007883 1992-05-09

Publications (3)

Publication Number Publication Date
DK53193D0 DK53193D0 (da) 1993-05-06
DK53193A DK53193A (da) 1993-11-10
DK176293B1 true DK176293B1 (da) 2007-06-18

Family

ID=19332903

Family Applications (1)

Application Number Title Priority Date Filing Date
DK199300531A DK176293B1 (da) 1992-05-09 1993-05-06 Gennemvalgskredslöb

Country Status (4)

Country Link
KR (1) KR950012585B1 (nl)
DE (1) DE4315243B4 (nl)
DK (1) DK176293B1 (nl)
NL (1) NL194109C (nl)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19755452A1 (de) * 1997-12-01 1999-06-02 Elmeg Gmbh & Co Kg Kommunikati Telekommunikationseinrichtung und Voice-Server

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3748396A (en) * 1971-04-14 1973-07-24 Itt Direct inward dialing trunk circuit
DE3306884A1 (de) * 1983-02-26 1984-08-30 Standard Elektrik Lorenz Ag, 7000 Stuttgart Signalisierungsdetektor fuer fernsprech-nebenstellenanlagen mit durchwahl
DE3328206A1 (de) * 1983-08-04 1985-02-21 Siemens AG, 1000 Berlin und 8000 München Schaltungsanordnung fuer mehrfrequenzempfaenger mit frequenzauswertung von unterbrechungsfrei empfangenen, sich staendig wechselnden frequenzen in fernsprechanlagen
DE3343646A1 (de) * 1983-12-02 1985-06-13 Standard Elektrik Lorenz Ag, 7000 Stuttgart Schaltungsanordnung zum erkennen und auswerten von wechselspannungssignalen auf amtsadern
US4955047A (en) * 1984-03-26 1990-09-04 Dytel Corporation Automated attendant with direct inward system access
US4696028A (en) * 1984-03-26 1987-09-22 Dytel Corporation PBX Intercept and caller interactive attendant bypass system
CA1240088A (en) * 1985-11-20 1988-08-02 Mitel Corporation Solid state trunk circuit
US4914690A (en) * 1988-03-31 1990-04-03 Nicollet Technologies, Inc. Universal PBX interface
DE3822427C2 (de) * 1988-06-30 1997-06-05 Siemens Ag Stromsensor für Durchwahl-Amtssätze
FR2648662B1 (fr) * 1989-06-19 1994-03-18 Alcatel Business Systems Joncteur de ligne reseau analogique pour installation telephonique de type prive

Also Published As

Publication number Publication date
NL9300792A (nl) 1993-12-01
NL194109B (nl) 2001-02-01
DE4315243A1 (de) 1993-11-11
DE4315243B4 (de) 2006-05-18
DK53193D0 (da) 1993-05-06
KR930024387A (ko) 1993-12-22
DK53193A (da) 1993-11-10
NL194109C (nl) 2001-06-05
KR950012585B1 (ko) 1995-10-19

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