IT1084030B - Apparecchiatura di segnalazione per sistemi di telecomunicazione - Google Patents

Apparecchiatura di segnalazione per sistemi di telecomunicazione

Info

Publication number
IT1084030B
IT1084030B IT23369/77A IT2336977A IT1084030B IT 1084030 B IT1084030 B IT 1084030B IT 23369/77 A IT23369/77 A IT 23369/77A IT 2336977 A IT2336977 A IT 2336977A IT 1084030 B IT1084030 B IT 1084030B
Authority
IT
Italy
Prior art keywords
telecommunication systems
signaling equipment
signaling
equipment
telecommunication
Prior art date
Application number
IT23369/77A
Other languages
English (en)
Original Assignee
Int Standard Electric Corp
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 Int Standard Electric Corp filed Critical Int Standard Electric Corp
Application granted granted Critical
Publication of IT1084030B publication Critical patent/IT1084030B/it

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
    • H04Q3/52—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker using static devices in switching stages, e.g. electronic switching arrangements
    • H04Q3/521—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker using static devices in switching stages, e.g. electronic switching arrangements using semiconductors in the switching stages

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Devices For Supply Of Signal Current (AREA)
IT23369/77A 1976-05-14 1977-05-10 Apparecchiatura di segnalazione per sistemi di telecomunicazione IT1084030B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/686,303 US4075430A (en) 1976-05-14 1976-05-14 Line signalling over common highway for telecommunications system

Publications (1)

Publication Number Publication Date
IT1084030B true IT1084030B (it) 1985-05-25

Family

ID=24755758

Family Applications (1)

Application Number Title Priority Date Filing Date
IT23369/77A IT1084030B (it) 1976-05-14 1977-05-10 Apparecchiatura di segnalazione per sistemi di telecomunicazione

Country Status (3)

Country Link
US (1) US4075430A (it)
BE (1) BE865473Q (it)
IT (1) IT1084030B (it)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2740104C2 (de) * 1977-09-06 1983-04-21 Standard Elektrik Lorenz Ag, 7000 Stuttgart Fernmeldeanlage mit einem zentralgesteuerten Koppelfeld
US4354062A (en) * 1980-01-31 1982-10-12 Bell Telephone Laboratories, Incorporated Communication system signaling circuit
US4349703A (en) * 1980-03-31 1982-09-14 International Telephone And Telegraph Corporation Programmable ring signal generator
US4435803A (en) 1980-03-31 1984-03-06 International Telephone And Telegraph Corporation Analog subscriber/trunk module with shared ringing source and ring-trip
KR900008817A (ko) * 1988-11-30 1990-06-04 안시환 교환시스템에서의 자동적인 링 부하 균등 배분방법
US6646519B2 (en) 2001-05-07 2003-11-11 Viewsonics, Inc. RF equalizer
US7183871B2 (en) * 2001-05-07 2007-02-27 Viewsonics, Inc Bi-directional access point

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3223787A (en) * 1961-02-20 1965-12-14 Stromberg Carlson Corp Telephone ringing control system
US3066193A (en) * 1961-04-07 1962-11-27 Gen Dynamics Corp Tone selection circuit
DE2211400C2 (de) * 1972-03-09 1974-02-21 Telefonbau Und Normalzeit Gmbh, 6000 Frankfurt Zweistufiges Zeitmultiplex-Vermittlungssystem
CA1018270A (en) * 1972-05-23 1977-09-27 Itt Canada Key telephone system using time division and space division control
CH580372A5 (de) * 1973-08-29 1976-09-30 Telefonbau & Normalzeit Gmbh Fernsprechvermittlungsanlage
US3973085A (en) * 1974-09-26 1976-08-03 The Anaconda Company Key telephone system with directly associated station cards and sets
US3914559A (en) * 1974-11-07 1975-10-21 Bell Telephone Labor Inc Universal PBX line circuit for key and non-key service
US3916118A (en) * 1974-11-07 1975-10-28 Bell Telephone Labor Inc Station loop control arrangement for telephone switching system
US3978293A (en) * 1974-11-07 1976-08-31 Bell Telephone Laboratories, Incorporated Ringing control circuitry with shared ringing loop current detector

Also Published As

Publication number Publication date
US4075430A (en) 1978-02-21
BE865473Q (fr) 1978-10-02

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