SE397247B - Kretsanordning for detektering av likstromsstyrsignaler - Google Patents

Kretsanordning for detektering av likstromsstyrsignaler

Info

Publication number
SE397247B
SE397247B SE7406197A SE7406197A SE397247B SE 397247 B SE397247 B SE 397247B SE 7406197 A SE7406197 A SE 7406197A SE 7406197 A SE7406197 A SE 7406197A SE 397247 B SE397247 B SE 397247B
Authority
SE
Sweden
Prior art keywords
diaminer
detecting
control signals
circuit device
circuit
Prior art date
Application number
SE7406197A
Other languages
English (en)
Swedish (sv)
Inventor
L W Richards
Original Assignee
Western Electric Co
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 Western Electric Co filed Critical Western Electric Co
Publication of SE397247B publication Critical patent/SE397247B/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M7/00—Arrangements for interconnection between switching centres
    • H04M7/0096—Trunk circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Devices For Supply Of Signal Current (AREA)
SE7406197A 1973-05-17 1974-05-09 Kretsanordning for detektering av likstromsstyrsignaler SE397247B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00361188A US3838224A (en) 1973-05-17 1973-05-17 Electronic telephone trunk circuit

Publications (1)

Publication Number Publication Date
SE397247B true SE397247B (sv) 1977-10-24

Family

ID=23421012

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7406197A SE397247B (sv) 1973-05-17 1974-05-09 Kretsanordning for detektering av likstromsstyrsignaler

Country Status (10)

Country Link
US (1) US3838224A (ja)
JP (1) JPS5420283B2 (ja)
BE (1) BE815098A (ja)
CA (1) CA992679A (ja)
CH (1) CH576734A5 (ja)
FR (1) FR2230120B1 (ja)
GB (1) GB1474769A (ja)
IT (1) IT1014175B (ja)
NL (1) NL169540C (ja)
SE (1) SE397247B (ja)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3886315A (en) * 1973-10-01 1975-05-27 Gte Automatic Electric Lab Inc Arrangement and method of signalling both ways through a two wire electronic junctor
US3958175A (en) * 1974-12-16 1976-05-18 Bell Telephone Laboratories, Incorporated Current limiting switching circuit
JPS53137611A (en) * 1977-05-09 1978-12-01 Hitachi Ltd Response monitor circuit in telephone exchanging unit
JPS5796578U (ja) * 1981-10-28 1982-06-14
US4894860A (en) * 1988-06-07 1990-01-16 Tie/Communications, Inc. Trunk interface circuitry for telephone systems
DE19739960C2 (de) * 1997-09-11 2000-11-30 Siemens Ag Signalregenerierungsschaltung
KR102211569B1 (ko) * 2018-12-21 2021-02-02 한국화학연구원 상전이 물질을 포함하는 조성물 및 이의 제조 방법

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3623133A (en) * 1969-11-12 1971-11-23 Bell Telephone Labor Inc Two-terminal inductorless electronic reactor
US3763321A (en) * 1971-11-29 1973-10-02 Stromberg Carlson Corp Trunk circuits for electronic telephone systems

Also Published As

Publication number Publication date
JPS5420283B2 (ja) 1979-07-21
NL7406514A (ja) 1974-11-19
GB1474769A (en) 1977-05-25
FR2230120A1 (ja) 1974-12-13
FR2230120B1 (ja) 1978-11-17
US3838224A (en) 1974-09-24
CH576734A5 (ja) 1976-06-15
NL169540C (nl) 1982-07-16
DE2423311B2 (de) 1977-03-24
CA992679A (en) 1976-07-06
DE2423311A1 (de) 1974-12-05
BE815098A (fr) 1974-09-16
IT1014175B (it) 1977-04-20
NL169540B (nl) 1982-02-16
JPS5019307A (ja) 1975-02-28

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