EG18625A - Apparatus for connecting and disconnecting ringing signal to a called subscriber - Google Patents

Apparatus for connecting and disconnecting ringing signal to a called subscriber

Info

Publication number
EG18625A
EG18625A EG638/88A EG63888A EG18625A EG 18625 A EG18625 A EG 18625A EG 638/88 A EG638/88 A EG 638/88A EG 63888 A EG63888 A EG 63888A EG 18625 A EG18625 A EG 18625A
Authority
EG
Egypt
Prior art keywords
called subscriber
ringing signal
disconnecting
disconnecting ringing
signal
Prior art date
Application number
EG638/88A
Other languages
English (en)
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Application granted granted Critical
Publication of EG18625A publication Critical patent/EG18625A/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/04—Selecting arrangements for multiplex systems for time-division multiplexing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q1/00—Details of selecting apparatus or arrangements
    • H04Q1/18—Electrical details
    • H04Q1/20—Testing circuits or apparatus; Circuits or apparatus for detecting, indicating, or signalling faults or troubles
    • H04Q1/22—Automatic arrangements
    • H04Q1/24—Automatic arrangements for connection devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
  • Structure Of Telephone Exchanges (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
EG638/88A 1987-12-18 1988-12-18 Apparatus for connecting and disconnecting ringing signal to a called subscriber EG18625A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8705065A SE459625B (sv) 1987-12-18 1987-12-18 Foerfarande foer oevervakning i en tidsvaeljare samt tidsvaeljare med oevervakningsorgan

Publications (1)

Publication Number Publication Date
EG18625A true EG18625A (en) 1993-07-30

Family

ID=20370647

Family Applications (1)

Application Number Title Priority Date Filing Date
EG638/88A EG18625A (en) 1987-12-18 1988-12-18 Apparatus for connecting and disconnecting ringing signal to a called subscriber

Country Status (18)

Country Link
EP (1) EP0321426B1 (cs)
JP (1) JPH02502599A (cs)
KR (1) KR950003968B1 (cs)
CN (1) CN1015769B (cs)
AR (1) AR242328A1 (cs)
BR (1) BR8807365A (cs)
CA (1) CA1339518C (cs)
DE (1) DE3875599T2 (cs)
EG (1) EG18625A (cs)
ES (1) ES2035369T3 (cs)
FI (1) FI96159C (cs)
GR (1) GR3006195T3 (cs)
IE (1) IE62948B1 (cs)
MX (1) MX170241B (cs)
MY (1) MY103644A (cs)
NO (1) NO173850C (cs)
SE (1) SE459625B (cs)
WO (1) WO1989006084A1 (cs)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE466475B (sv) * 1990-07-10 1992-02-17 Ericsson Telefon Ab L M Saett och anordning foer oevervakning och testning vid en flerplansenhet i en digital tidsvaeljare
DE4132552C1 (cs) * 1991-09-30 1992-11-12 Siemens Ag, 8000 Muenchen, De
US6088329A (en) * 1997-12-11 2000-07-11 Telefonaktiebolaget Lm Ericsson Fault tolerant subrate switching

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3538498A (en) * 1968-09-10 1970-11-03 United Aircraft Corp Majority data selecting and fault indicating
ZA781245B (en) * 1977-03-29 1979-02-28 Standard Telephones Cables Ltd Improvements in or relating to telecommunication switching systems
US4497059A (en) * 1982-04-28 1985-01-29 The Charles Stark Draper Laboratory, Inc. Multi-channel redundant processing systems
JPS6010996A (ja) * 1983-06-30 1985-01-21 Matsushita Electric Ind Co Ltd 時分割ハイウエイスイツチ装置

Also Published As

Publication number Publication date
DE3875599T2 (de) 1993-04-08
CA1339518C (en) 1997-10-28
SE459625B (sv) 1989-07-17
FI96159C (sv) 1996-05-10
IE62948B1 (en) 1995-02-20
EP0321426B1 (en) 1992-10-28
FI893493A7 (fi) 1989-07-19
JPH02502599A (ja) 1990-08-16
NO893312D0 (no) 1989-08-17
IE883645L (en) 1989-06-18
WO1989006084A1 (en) 1989-06-29
GR3006195T3 (cs) 1993-06-21
NO893312L (no) 1989-08-17
NO173850C (no) 1994-02-09
MX170241B (es) 1993-08-12
CN1034460A (zh) 1989-08-02
EP0321426A1 (en) 1989-06-21
FI96159B (sv) 1996-01-31
NO173850B (no) 1993-11-01
SE8705065D0 (sv) 1987-12-18
SE8705065L (sv) 1989-06-19
DE3875599D1 (de) 1992-12-03
BR8807365A (pt) 1990-03-13
KR900701141A (ko) 1990-08-17
KR950003968B1 (ko) 1995-04-21
ES2035369T3 (es) 1993-04-16
AR242328A1 (es) 1993-03-31
MY103644A (en) 1993-08-28
CN1015769B (zh) 1992-03-04
FI893493A0 (fi) 1989-07-19

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