CA1061440A - Call processing restoration arrangement for telephone switching system - Google Patents

Call processing restoration arrangement for telephone switching system

Info

Publication number
CA1061440A
CA1061440A CA254,349A CA254349A CA1061440A CA 1061440 A CA1061440 A CA 1061440A CA 254349 A CA254349 A CA 254349A CA 1061440 A CA1061440 A CA 1061440A
Authority
CA
Canada
Prior art keywords
memory unit
port
network
progress
progress mark
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
CA254,349A
Other languages
English (en)
French (fr)
Inventor
Chin Chao
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
Application granted granted Critical
Publication of CA1061440A publication Critical patent/CA1061440A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/04—Selecting arrangements for multiplex systems for time-division multiplexing
    • H04Q11/0407—Selecting arrangements for multiplex systems for time-division multiplexing using a stored programme control

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Exchange Systems With Centralized Control (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
  • Techniques For Improving Reliability Of Storages (AREA)
  • Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
CA254,349A 1975-07-03 1976-06-08 Call processing restoration arrangement for telephone switching system Expired CA1061440A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/593,180 US3995118A (en) 1975-07-03 1975-07-03 Call processing restoration arrangement for a telephone switching system

Publications (1)

Publication Number Publication Date
CA1061440A true CA1061440A (en) 1979-08-28

Family

ID=24373717

Family Applications (1)

Application Number Title Priority Date Filing Date
CA254,349A Expired CA1061440A (en) 1975-07-03 1976-06-08 Call processing restoration arrangement for telephone switching system

Country Status (8)

Country Link
US (1) US3995118A (cg-RX-API-DMAC7.html)
JP (1) JPS529306A (cg-RX-API-DMAC7.html)
BE (1) BE843643A (cg-RX-API-DMAC7.html)
CA (1) CA1061440A (cg-RX-API-DMAC7.html)
DE (1) DE2629800C3 (cg-RX-API-DMAC7.html)
FR (1) FR2316824A1 (cg-RX-API-DMAC7.html)
GB (1) GB1544649A (cg-RX-API-DMAC7.html)
SE (1) SE422894B (cg-RX-API-DMAC7.html)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE32393E (en) * 1967-09-01 1987-04-07 Kabivitrum Ab Composition for enhancing the administration of pharmacologically active agents

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1543006A (en) * 1977-01-18 1979-03-28 Plessey Co Ltd Time division multiplex processor-controlled telecommunication exchanges
US4639910A (en) * 1984-12-14 1987-01-27 Itt Corporation Apparatus for establishing communication paths
US5384823A (en) * 1993-02-25 1995-01-24 At&T Corp. Telecommunications switch with integral feature installation capability
US6594735B1 (en) 1998-12-28 2003-07-15 Nortel Networks Limited High availability computing system

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1298579A (en) * 1918-04-24 1919-03-25 Harry M Schnippel Measuring implement.
US3042752A (en) * 1959-05-25 1962-07-03 Bell Telephone Labor Inc Failure detecting apparatus
US3920977A (en) * 1973-09-10 1975-11-18 Gte Automatic Electric Lab Inc Arrangement and method for switching the electronic subsystems of a common control communication switching system without interference to call processing
US3908092A (en) * 1973-12-21 1975-09-23 Bell Telephone Labor Inc Program controlled time division switching systems

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE32393E (en) * 1967-09-01 1987-04-07 Kabivitrum Ab Composition for enhancing the administration of pharmacologically active agents

Also Published As

Publication number Publication date
JPS5714634B2 (cg-RX-API-DMAC7.html) 1982-03-25
DE2629800A1 (de) 1977-01-27
SE422894B (sv) 1982-04-05
US3995118A (en) 1976-11-30
FR2316824B1 (cg-RX-API-DMAC7.html) 1981-09-25
JPS529306A (en) 1977-01-24
FR2316824A1 (fr) 1977-01-28
DE2629800B2 (de) 1980-09-11
BE843643A (fr) 1976-10-18
GB1544649A (en) 1979-04-25
DE2629800C3 (de) 1981-08-13
SE7607162L (sv) 1977-01-04

Similar Documents

Publication Publication Date Title
US5568423A (en) Flash memory wear leveling system providing immediate direct access to microprocessor
US4521850A (en) Instruction buffer associated with a cache memory unit
US4002849A (en) Scanning apparatus for detecting and analyzing supervisory and signaling information
US4413328A (en) Storage subsystems employing removable media and having a digital display on each recorder
JPS63285650A (ja) メモリー・アドレス信号を制御するシステムおよび方法
GB1595654A (en) Keyboard apparatus
US4481579A (en) Digital data apparatus having a plurality of selectively addressable peripheral units
US4151598A (en) Priority assignment apparatus for use in a memory controller
EP0483458B1 (en) Power reduction technique for a time slot interchanger in the subscriber interface
CA1061440A (en) Call processing restoration arrangement for telephone switching system
US3208048A (en) Electronic digital computing machines with priority interrupt feature
GB2062411A (en) Digital telecommunications switching network with in-built fault identification
US3870826A (en) Tone control system for a time division switching system
CA1116756A (en) Cache memory command circuit
CN213877589U (zh) 一种flash数据读写电路
US4807281A (en) Method for load distribution among the central processors of a multiprocessor central control unit of a switching system
CA1217846A (en) Validity checking arrangement for extended memory mapping of external devices
CA1235232A (en) Anti-mutilation circuit for protecting dynamic memory
CA1053352A (en) Method for providing a substitute memory module in a data processing system
US4125879A (en) Double ended stack computer store
JP2690589B2 (ja) メモリスイッチ監視方式
JPH0227819A (ja) 回線切替装置における切替トリガ検出回路
SU1474663A2 (ru) Многоканальное устройство дл сопр жени каналов св зи с ЦВМ
SU1203527A1 (ru) Устройство дл формировани адреса данных
GB1595410A (en) Memory control system