AR202786A1 - Disposicion de central telefonica privada - Google Patents

Disposicion de central telefonica privada

Info

Publication number
AR202786A1
AR202786A1 AR245268A AR24526872A AR202786A1 AR 202786 A1 AR202786 A1 AR 202786A1 AR 245268 A AR245268 A AR 245268A AR 24526872 A AR24526872 A AR 24526872A AR 202786 A1 AR202786 A1 AR 202786A1
Authority
AR
Argentina
Prior art keywords
disposal
private telephone
telephone center
center
private
Prior art date
Application number
AR245268A
Other languages
English (en)
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
Application granted granted Critical
Publication of AR202786A1 publication Critical patent/AR202786A1/es

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q3/00Selecting arrangements
    • H04Q3/42Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker
    • H04Q3/54Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker in which the logic circuitry controlling the exchange is centralised
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M3/00Automatic or semi-automatic exchanges
    • H04M3/60Semi-automatic systems, i.e. in which the numerical selection of the outgoing line is under the control of an operator
    • H04M3/62Keyboard equipment

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
  • Exchange Systems With Centralized Control (AREA)
  • Devices For Supply Of Signal Current (AREA)
AR245268A 1971-11-24 1972-11-23 Disposicion de central telefonica privada AR202786A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US20191871A 1971-11-24 1971-11-24

Publications (1)

Publication Number Publication Date
AR202786A1 true AR202786A1 (es) 1975-07-24

Family

ID=22747831

Family Applications (1)

Application Number Title Priority Date Filing Date
AR245268A AR202786A1 (es) 1971-11-24 1972-11-23 Disposicion de central telefonica privada

Country Status (16)

Country Link
US (1) US3740485A (es)
JP (2) JPS5237928B2 (es)
AR (1) AR202786A1 (es)
AT (2) AT336693B (es)
AU (2) AU462326B2 (es)
BE (2) BE791688A (es)
BR (2) BR7208197D0 (es)
CA (2) CA968877A (es)
CH (2) CH552317A (es)
DE (1) DE2256997C3 (es)
ES (2) ES409258A1 (es)
FR (2) FR2162943A5 (es)
GB (2) GB1416547A (es)
IT (2) IT975844B (es)
NL (2) NL7215457A (es)
SE (2) SE386556B (es)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4035592A (en) * 1970-12-10 1977-07-12 Societe Francaise Des Telephones Ericsson Subscriber monitoring unit for electronic telephone exchanges
FR2167361A5 (es) * 1972-01-13 1973-08-24 Ericsson Telefon Ab L M
US4417335A (en) * 1979-12-19 1983-11-22 Gte Automatic Electric Labs Inc. Digital satellite telephone office
JPS6144304Y2 (es) * 1980-08-14 1986-12-13
JPS6026857A (ja) * 1983-07-20 1985-02-09 Koyo Seiki Kk チエンジドラムの製造方法
GB2251156A (en) * 1990-12-18 1992-06-24 Sangara Ind Co Ltd Telephone warning light actuated by incoming call or lifting receiver
US5157721A (en) * 1990-12-18 1992-10-20 Paul Lee Control circuit for an electrical telephone accessory
JP3351817B2 (ja) * 1992-06-11 2002-12-03 株式会社日立テレコムテクノロジー 直通回線着信先可変システム
US6546091B1 (en) * 1998-08-28 2003-04-08 Thomson Licensing S.A. Automatic detection of phone system settings for dial-up modem connections

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL289144A (es) * 1962-03-08
US3239610A (en) * 1962-12-26 1966-03-08 Bell Telephone Labor Inc Line circuit for key telephone system
US3333062A (en) * 1964-04-14 1967-07-25 Automatic Elect Lab Centralized switching arrangements with inward dialing
US3441678A (en) * 1965-09-03 1969-04-29 Bell Telephone Labor Inc Conference circuit with selective call splitting
CA920258A (en) * 1969-04-23 1973-01-30 Itt Canada Limited Key telephone systems using pushbutton or rotary dials

Also Published As

Publication number Publication date
DE2256997B2 (de) 1975-06-12
ATA986072A (de) 1976-09-15
CH552317A (de) 1974-07-31
AT336693B (de) 1977-05-25
JPS4864806A (es) 1973-09-07
GB1416546A (en) 1975-12-03
BR7208197D0 (pt) 1973-09-13
GB1416547A (en) 1975-12-03
IT975844B (it) 1974-08-10
FR2162942A5 (es) 1973-07-20
CA949245A (en) 1974-06-11
SE375212B (es) 1975-04-07
NL7215457A (es) 1973-05-28
JPS5237928B2 (es) 1977-09-26
DE2256997A1 (de) 1973-06-07
AU4905472A (en) 1974-05-23
DE2256997C3 (de) 1979-01-04
NL160136B (nl) 1979-04-17
JPS543561B2 (es) 1979-02-24
ES409257A1 (es) 1975-10-01
NL7215454A (es) 1973-05-28
NL160136C (nl) 1979-09-17
DE2257022A1 (de) 1973-06-07
BR7208198D0 (pt) 1973-08-30
CH550520A (de) 1974-06-14
ES409258A1 (es) 1975-10-01
IT975843B (it) 1974-08-10
US3740485A (en) 1973-06-19
AU4905372A (en) 1974-05-23
BE791688A (fr) 1973-03-16
ATA986172A (de) 1975-05-15
JPS4864807A (es) 1973-09-07
DE2257022B2 (es) 1975-10-02
SE386556B (sv) 1976-08-09
AU462325B2 (en) 1975-06-19
BE791689A (fr) 1973-03-16
FR2162943A5 (es) 1973-07-20
AT327990B (de) 1976-02-25
CA968877A (en) 1975-06-03
AU462326B2 (en) 1975-06-19

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