CS230556B2 - Relay matrix - Google Patents

Relay matrix Download PDF

Info

Publication number
CS230556B2
CS230556B2 CS754067A CS406775A CS230556B2 CS 230556 B2 CS230556 B2 CS 230556B2 CS 754067 A CS754067 A CS 754067A CS 406775 A CS406775 A CS 406775A CS 230556 B2 CS230556 B2 CS 230556B2
Authority
CS
Czechoslovakia
Prior art keywords
relay
current
control
transistor
holding
Prior art date
Application number
CS754067A
Other languages
Czech (cs)
English (en)
Inventor
Royne G Hjoertendal
Joens K A Ollson
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
Priority claimed from SE7407637A external-priority patent/SE382884B/xx
Priority claimed from SE7505731A external-priority patent/SE390581B/xx
Application filed by Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Publication of CS230556B2 publication Critical patent/CS230556B2/cs

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/0008—Selecting arrangements using relay selectors in the switching stages
    • H04Q3/0012—Selecting arrangements using relay selectors in the switching stages in which the relays are arranged in a matrix configuration

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Relay Circuits (AREA)
  • Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
  • Exchange Systems With Centralized Control (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)
  • Developing Agents For Electrophotography (AREA)
  • Mechanical Treatment Of Semiconductor (AREA)
CS754067A 1974-06-10 1975-06-10 Relay matrix CS230556B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE7407637A SE382884B (sv) 1974-06-10 1974-06-10 Relematris, i synnerhet tungrelematris, for flerstegs veljaorgan i elektroniskt styrda telefonvexlar
SE7505731A SE390581B (sv) 1975-05-20 1975-05-20 Relematris

Publications (1)

Publication Number Publication Date
CS230556B2 true CS230556B2 (en) 1984-08-13

Family

ID=26656495

Family Applications (1)

Application Number Title Priority Date Filing Date
CS754067A CS230556B2 (en) 1974-06-10 1975-06-10 Relay matrix

Country Status (23)

Country Link
US (1) US3993871A (de)
JP (1) JPS593918B2 (de)
AR (1) AR205127A1 (de)
AU (1) AU498032B2 (de)
BR (1) BR7503635A (de)
CA (1) CA1040293A (de)
CH (1) CH593554A5 (de)
CS (1) CS230556B2 (de)
DD (1) DD119498A5 (de)
DE (1) DE2524645C3 (de)
DK (1) DK155392C (de)
EG (1) EG13380A (de)
ES (1) ES438347A1 (de)
FI (1) FI60476C (de)
FR (1) FR2274189A1 (de)
GB (1) GB1503944A (de)
HU (1) HU173984B (de)
IN (1) IN155536B (de)
IT (1) IT1043983B (de)
NL (1) NL190218C (de)
NO (1) NO138163C (de)
PL (1) PL120449B1 (de)
YU (1) YU37411B (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4445175A (en) * 1981-09-14 1984-04-24 Motorola, Inc. Supervisory remote control system employing pseudorandom sequence
US4610011A (en) * 1984-11-05 1986-09-02 Gte Communication Systems Corporation Controller for a multistage space switching network
US4613969A (en) * 1984-11-05 1986-09-23 Gte Communication Systems Corporation Method for controlling a multistage space switching network
WO2009023563A1 (en) * 2007-08-10 2009-02-19 Smith Robert B Path redundant hardware efficient communications interconnect system

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL296605A (de) * 1962-08-31
US3838227A (en) * 1973-06-11 1974-09-24 Bell Telephone Labor Inc Switching network control circuit

Also Published As

Publication number Publication date
US3993871A (en) 1976-11-23
DE2524645C3 (de) 1980-02-07
NO138163B (no) 1978-04-03
DK155392C (da) 1989-08-07
AU498032B2 (en) 1979-02-01
YU37411B (en) 1984-08-31
ES438347A1 (es) 1977-01-16
AU8186275A (en) 1976-12-09
DE2524645A1 (de) 1975-12-11
HU173984B (hu) 1979-10-28
FR2274189B1 (de) 1982-04-09
DK257575A (da) 1975-12-11
JPS519310A (en) 1976-01-26
AR205127A1 (es) 1976-04-05
NO752029L (de) 1975-12-11
DD119498A5 (de) 1976-04-20
FI60476B (fi) 1981-09-30
NL7506885A (nl) 1975-12-12
YU148475A (en) 1983-04-27
CA1040293A (en) 1978-10-10
NO138163C (no) 1978-07-12
DE2524645B2 (de) 1979-06-07
IN155536B (de) 1985-02-16
CH593554A5 (de) 1977-12-15
FI751578A (de) 1975-12-11
FR2274189A1 (fr) 1976-01-02
DK155392B (da) 1989-04-03
BR7503635A (pt) 1976-06-22
IT1043983B (it) 1980-02-29
PL120449B1 (en) 1982-02-27
EG13380A (en) 1981-06-30
GB1503944A (en) 1978-03-15
NL190218C (nl) 1993-12-01
NL190218B (nl) 1993-07-01
JPS593918B2 (ja) 1984-01-26
FI60476C (fi) 1982-01-11

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