DE2128104C2 - Schaltungsanordnung für Fernsprechanlagen zur Verbindung von Sprechstellenapparaten mit Fernsprechleitungen - Google Patents

Schaltungsanordnung für Fernsprechanlagen zur Verbindung von Sprechstellenapparaten mit Fernsprechleitungen

Info

Publication number
DE2128104C2
DE2128104C2 DE2128104A DE2128104A DE2128104C2 DE 2128104 C2 DE2128104 C2 DE 2128104C2 DE 2128104 A DE2128104 A DE 2128104A DE 2128104 A DE2128104 A DE 2128104A DE 2128104 C2 DE2128104 C2 DE 2128104C2
Authority
DE
Germany
Prior art keywords
line
signal
signals
flip
command
Prior art date
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
DE2128104A
Other languages
German (de)
English (en)
Other versions
DE2128104A1 (de
Inventor
Dieter John Henry Guttenberg N.J. Knollman
Robert Forcier Metz
Howard Lloyd Boulder Col. Reynolds
James Louis Denver Col. Simon
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
AT&T Corp
Original Assignee
Western Electric Co Inc
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 Inc filed Critical Western Electric Co Inc
Publication of DE2128104A1 publication Critical patent/DE2128104A1/de
Application granted granted Critical
Publication of DE2128104C2 publication Critical patent/DE2128104C2/de
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M9/00—Arrangements for interconnection not involving centralised switching
    • H04M9/002—Arrangements for interconnection not involving centralised switching with subscriber controlled access to a line, i.e. key telephone systems
    • H04M9/005—Arrangements for interconnection not involving centralised switching with subscriber controlled access to a line, i.e. key telephone systems with subscriber controlled access to an exchange line
    • H04M9/007—Arrangements for interconnection not involving centralised switching with subscriber controlled access to a line, i.e. key telephone systems with subscriber controlled access to an exchange line wherein the key telephone sets are star-connected to a central unit by a limited number of lines
    • 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
    • H04Q3/545—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker in which the logic circuitry controlling the exchange is centralised using a stored programme

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Exchange Systems With Centralized Control (AREA)
  • Telephonic Communication Services (AREA)
DE2128104A 1970-06-05 1971-06-05 Schaltungsanordnung für Fernsprechanlagen zur Verbindung von Sprechstellenapparaten mit Fernsprechleitungen Expired DE2128104C2 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US4381270A 1970-06-05 1970-06-05
US4381370A 1970-06-05 1970-06-05
US4391670A 1970-06-05 1970-06-05
US18552371A 1971-10-01 1971-10-01

Publications (2)

Publication Number Publication Date
DE2128104A1 DE2128104A1 (de) 1972-01-05
DE2128104C2 true DE2128104C2 (de) 1984-05-17

Family

ID=27488880

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2128104A Expired DE2128104C2 (de) 1970-06-05 1971-06-05 Schaltungsanordnung für Fernsprechanlagen zur Verbindung von Sprechstellenapparaten mit Fernsprechleitungen

Country Status (8)

Country Link
US (4) US3660611A (enExample)
BE (1) BE768052A (enExample)
CA (1) CA942897A (enExample)
DE (1) DE2128104C2 (enExample)
FR (1) FR2095908A5 (enExample)
GB (1) GB1351631A (enExample)
NL (1) NL176991C (enExample)
SE (1) SE386796B (enExample)

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2117128A1 (de) * 1971-04-07 1972-10-19 Siemens Ag Verfahren zum Ein- und Ausschalten von Systemeinheiten in einem modular aufgebauten Verarbeitungssystem
JPS5240804B2 (enExample) * 1972-01-11 1977-10-14
GB1374635A (en) * 1972-08-09 1974-11-20 Gte International Inc Data processing apparatus
GB1410508A (en) * 1972-10-12 1975-10-15 Thorn Ericsson Telecomm Telephone systems
GB1400237A (en) * 1972-11-10 1975-07-16 Gte International Inc Automatic telephone exchange system
CH547590A (de) * 1973-03-21 1974-03-29 Ibm Fernmelde-vermittlungsanlage.
CH580372A5 (de) * 1973-08-29 1976-09-30 Telefonbau & Normalzeit Gmbh Fernsprechvermittlungsanlage
JPS5068004A (enExample) * 1973-10-16 1975-06-07
US3919695A (en) * 1973-12-26 1975-11-11 Ibm Asynchronous clocking apparatus
USRE29078E (en) * 1974-03-29 1976-12-14 Bell Telephone Laboratories, Incorporated Key telephone system
US3919693A (en) * 1974-07-26 1975-11-11 Honeywell Inc Associative interface for single bus communication system
US4125749A (en) * 1975-08-09 1978-11-14 Tamura Electric Works, Ltd. Key telephone systems
GB1575002A (en) * 1976-03-11 1980-09-17 Post Office Data transmission system
US4061887A (en) * 1976-04-23 1977-12-06 Rolm Corporation Key telephone adapter for electronic telephone switching system
JPS52130210A (en) * 1976-04-24 1977-11-01 Fujitsu Ltd Subscriber condition display control system
US4096359A (en) * 1976-10-12 1978-06-20 International Standard Electric Corporation Key telephone system interconnection apparatus
DE2724431C2 (de) * 1977-05-31 1986-06-19 Telefonbau Und Normalzeit Gmbh, 6000 Frankfurt Fernmeldevermittlungsanlage mit dezentraler Steuerung und Vermittlungsverfahren hierzu
US4135063A (en) * 1977-08-12 1979-01-16 San/Bar Corporation Modular, expandable intercom system for a multiple-station telephone subscriber installation
US4196316A (en) * 1977-09-13 1980-04-01 Bell Telephone Laboratories, Incorporated Program controlled communication system having individually rearrangeable line selection
US4109113A (en) * 1977-10-31 1978-08-22 Bell Telephone Laboratories, Incorporated Communication system optimized pooled line arrangement
JPS54162714U (enExample) * 1978-05-02 1979-11-14
US4507781A (en) * 1980-03-14 1985-03-26 Ibm Corporation Time domain multiple access broadcasting, multipoint, and conferencing communication apparatus and method
JPS58195393A (ja) * 1982-05-10 1983-11-14 Nec Corp ボタン電話装置
US4451705A (en) * 1982-05-28 1984-05-29 Bell Telephone Laboratories, Incorporated Call completion circuit and method
JPS59160397A (ja) * 1983-03-03 1984-09-11 Toshiba Corp ボタン電話装置におけるボタン電話機の機能割当て方式
US4574348A (en) * 1983-06-01 1986-03-04 The Boeing Company High speed digital signal processor architecture
US4930151A (en) * 1989-05-16 1990-05-29 General Electric Company Telephone call forwarding device
KR0171834B1 (ko) * 1995-08-24 1999-03-30 김광호 키폰시스템에서 멀티넘버플랜방법
AU1079597A (en) * 1995-11-24 1997-06-11 Voelker Technologies, Inc. Electronic patching system for telecommunications devices
KR100194423B1 (ko) * 1996-01-19 1999-06-15 윤종용 교환시스템의 국선선택 방법
US5924128A (en) * 1996-06-20 1999-07-13 International Business Machines Corporation Pseudo zero cycle address generator and fast memory access
US6314493B1 (en) 1998-02-03 2001-11-06 International Business Machines Corporation Branch history cache

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL134125C (enExample) * 1958-04-25
US3287702A (en) * 1962-12-04 1966-11-22 Westinghouse Electric Corp Computer control
US3287703A (en) * 1962-12-04 1966-11-22 Westinghouse Electric Corp Computer
US3244815A (en) * 1963-03-20 1966-04-05 Bell Telephone Labor Inc Selective signaling system
US3308436A (en) * 1963-08-05 1967-03-07 Westinghouse Electric Corp Parallel computer system control
US3364472A (en) * 1964-03-06 1968-01-16 Westinghouse Electric Corp Computation unit
US3385935A (en) * 1964-10-19 1968-05-28 Bell Telephone Labor Inc Key telephone system
US3462741A (en) * 1966-07-25 1969-08-19 Ibm Automatic control of peripheral processors
US3510844A (en) * 1966-07-27 1970-05-05 Gen Electric Interprocessing multicomputer systems
US3421150A (en) * 1966-08-26 1969-01-07 Sperry Rand Corp Multiprocessor interrupt directory
US3537074A (en) * 1967-12-20 1970-10-27 Burroughs Corp Parallel operating array computer
US3519757A (en) * 1968-02-27 1970-07-07 Bell Telephone Labor Inc Electronic key telephone system
US3549820A (en) * 1968-05-02 1970-12-22 Bell Telephone Labor Inc Key telephone station concentrator

Also Published As

Publication number Publication date
US3749848A (en) 1973-07-31
US3651272A (en) 1972-03-21
BE768052A (fr) 1971-11-03
CA942897A (en) 1974-02-26
DE2128104A1 (de) 1972-01-05
US3660611A (en) 1972-05-02
US3671942A (en) 1972-06-20
SE386796B (sv) 1976-08-16
NL7107482A (enExample) 1971-12-07
NL176991C (nl) 1985-07-01
GB1351631A (en) 1974-05-01
FR2095908A5 (enExample) 1972-02-11

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Legal Events

Date Code Title Description
OD Request for examination
D2 Grant after examination
8364 No opposition during term of opposition
8330 Complete disclaimer