JPS543561B2 - - Google Patents

Info

Publication number
JPS543561B2
JPS543561B2 JP11727272A JP11727272A JPS543561B2 JP S543561 B2 JPS543561 B2 JP S543561B2 JP 11727272 A JP11727272 A JP 11727272A JP 11727272 A JP11727272 A JP 11727272A JP S543561 B2 JPS543561 B2 JP S543561B2
Authority
JP
Japan
Legal status (The legal status 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 status listed.)
Expired
Application number
JP11727272A
Other versions
JPS4864806A (ja
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 filed Critical
Publication of JPS4864806A publication Critical patent/JPS4864806A/ja
Publication of JPS543561B2 publication Critical patent/JPS543561B2/ja
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/42—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker
    • H04Q3/54—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker in which the logic circuitry controlling the exchange is centralised
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/60—Semi-automatic systems, i.e. in which the numerical selection of the outgoing line is under the control of an operator
    • H04M3/62—Keyboard 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)
JP11727272A 1971-11-24 1972-11-24 Expired JPS543561B2 (ja)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
JPS4864806A JPS4864806A (ja) 1973-09-07
JPS543561B2 true JPS543561B2 (ja) 1979-02-24

Family

ID=22747831

Family Applications (2)

Application Number Title Priority Date Filing Date
JP47117271A Expired JPS5237928B2 (ja) 1971-11-24 1972-11-24
JP11727272A Expired JPS543561B2 (ja) 1971-11-24 1972-11-24

Family Applications Before (1)

Application Number Title Priority Date Filing Date
JP47117271A Expired JPS5237928B2 (ja) 1971-11-24 1972-11-24

Country Status (16)

Country Link
US (1) US3740485A (ja)
JP (2) JPS5237928B2 (ja)
AR (1) AR202786A1 (ja)
AT (2) AT327990B (ja)
AU (2) AU462325B2 (ja)
BE (2) BE791688A (ja)
BR (2) BR7208197D0 (ja)
CA (2) CA968877A (ja)
CH (2) CH552317A (ja)
DE (1) DE2256997C3 (ja)
ES (2) ES409258A1 (ja)
FR (2) FR2162942A5 (ja)
GB (2) GB1416546A (ja)
IT (2) IT975844B (ja)
NL (2) NL7215457A (ja)
SE (2) SE375212B (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6026857A (ja) * 1983-07-20 1985-02-09 Koyo Seiki Kk チエンジドラムの製造方法

Families Citing this family (8)

* 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 (ja) * 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 (ja) * 1980-08-14 1986-12-13
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
BE629372A (ja) * 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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6026857A (ja) * 1983-07-20 1985-02-09 Koyo Seiki Kk チエンジドラムの製造方法

Also Published As

Publication number Publication date
DE2256997C3 (de) 1979-01-04
DE2256997A1 (de) 1973-06-07
JPS4864806A (ja) 1973-09-07
US3740485A (en) 1973-06-19
FR2162942A5 (ja) 1973-07-20
CH552317A (de) 1974-07-31
CA968877A (en) 1975-06-03
AU4905372A (en) 1974-05-23
AU462326B2 (en) 1975-06-19
BR7208197D0 (pt) 1973-09-13
ES409258A1 (es) 1975-10-01
AR202786A1 (es) 1975-07-24
SE386556B (sv) 1976-08-09
ES409257A1 (es) 1975-10-01
BE791689A (fr) 1973-03-16
CA949245A (en) 1974-06-11
NL7215457A (ja) 1973-05-28
BR7208198D0 (pt) 1973-08-30
NL7215454A (ja) 1973-05-28
GB1416546A (en) 1975-12-03
GB1416547A (en) 1975-12-03
IT975844B (it) 1974-08-10
JPS5237928B2 (ja) 1977-09-26
ATA986072A (de) 1976-09-15
DE2256997B2 (de) 1975-06-12
AU462325B2 (en) 1975-06-19
DE2257022A1 (de) 1973-06-07
AT327990B (de) 1976-02-25
BE791688A (fr) 1973-03-16
ATA986172A (de) 1975-05-15
JPS4864807A (ja) 1973-09-07
SE375212B (ja) 1975-04-07
CH550520A (de) 1974-06-14
AU4905472A (en) 1974-05-23
AT336693B (de) 1977-05-25
IT975843B (it) 1974-08-10
NL160136C (nl) 1979-09-17
DE2257022B2 (ja) 1975-10-02
FR2162943A5 (ja) 1973-07-20
NL160136B (nl) 1979-04-17

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