GB1560027A - Electronic cross-point array for a telecommunication system - Google Patents

Electronic cross-point array for a telecommunication system Download PDF

Info

Publication number
GB1560027A
GB1560027A GB45289/77A GB4528977A GB1560027A GB 1560027 A GB1560027 A GB 1560027A GB 45289/77 A GB45289/77 A GB 45289/77A GB 4528977 A GB4528977 A GB 4528977A GB 1560027 A GB1560027 A GB 1560027A
Authority
GB
United Kingdom
Prior art keywords
transistors
transistor
constant
current
point array
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
GB45289/77A
Other languages
English (en)
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.)
Telefonaktiebolaget LM Ericsson AB
Original Assignee
Telefonaktiebolaget LM Ericsson AB
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 Telefonaktiebolaget LM Ericsson AB filed Critical Telefonaktiebolaget LM Ericsson AB
Publication of GB1560027A publication Critical patent/GB1560027A/en
Expired legal-status Critical Current

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
    • H04Q3/52Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker using static devices in switching stages, e.g. electronic switching arrangements
    • H04Q3/521Circuit 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)
  • Electronic Switches (AREA)
  • Bipolar Integrated Circuits (AREA)
  • Interface Circuits In Exchanges (AREA)
GB45289/77A 1976-11-02 1977-10-31 Electronic cross-point array for a telecommunication system Expired GB1560027A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7612207A SE405925B (sv) 1976-11-02 1976-11-02 Elektronisk koordinatveljare framstelld i monolitutforande

Publications (1)

Publication Number Publication Date
GB1560027A true GB1560027A (en) 1980-01-30

Family

ID=20329319

Family Applications (1)

Application Number Title Priority Date Filing Date
GB45289/77A Expired GB1560027A (en) 1976-11-02 1977-10-31 Electronic cross-point array for a telecommunication system

Country Status (6)

Country Link
US (1) US4128741A (US20020095090A1-20020718-M00002.png)
AU (1) AU506433B2 (US20020095090A1-20020718-M00002.png)
DE (1) DE2748251A1 (US20020095090A1-20020718-M00002.png)
FR (1) FR2392568B1 (US20020095090A1-20020718-M00002.png)
GB (1) GB1560027A (US20020095090A1-20020718-M00002.png)
SE (1) SE405925B (US20020095090A1-20020718-M00002.png)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8000529A (nl) * 1980-01-29 1981-08-17 Philips Nv Schakelmatrix.
GB9626487D0 (en) * 1996-12-17 1997-02-05 Philips Electronics Nv Electronic devices and their manufacture

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3047667A (en) * 1958-02-24 1962-07-31 Bell Telephone Labor Inc Transistor crosspoint switching network
US3463975A (en) * 1964-12-31 1969-08-26 Texas Instruments Inc Unitary semiconductor high speed switching device utilizing a barrier diode
US3452157A (en) * 1966-02-01 1969-06-24 Itt Current controlled,self-seeking telephone switching system
DE2262297C2 (de) * 1972-12-20 1985-11-28 Ibm Deutschland Gmbh, 7000 Stuttgart Monolithisch integrierbare, logisch verknüpfbare Halbleiterschaltungsanordnung mit I↑2↑L-Aufbau
US3995307A (en) * 1973-12-28 1976-11-30 International Business Machines Corporation Integrated monolithic switch for high voltage applications
US3913213A (en) * 1974-08-02 1975-10-21 Trw Inc Integrated circuit transistor switch

Also Published As

Publication number Publication date
AU506433B2 (en) 1980-01-03
AU2997177A (en) 1979-05-03
US4128741A (en) 1978-12-05
SE405925B (sv) 1979-01-08
SE7612207L (sv) 1978-05-03
DE2748251C2 (US20020095090A1-20020718-M00002.png) 1987-04-16
DE2748251A1 (de) 1978-05-03
FR2392568B1 (fr) 1985-07-19
FR2392568A1 (fr) 1978-12-22

Similar Documents

Publication Publication Date Title
US4326135A (en) Differential to single-ended converter utilizing inverted transistors
US4402003A (en) Composite MOS/bipolar power device
US3394268A (en) Logic switching circuit
JPS604593B2 (ja) 集積回路
GB1571343A (en) Semiconductor devices
US3999080A (en) Transistor coupled logic circuit
US5274524A (en) Programmable protection circuit and its monolithic manufacturing
US3631309A (en) Integrated circuit bipolar memory cell
JPH04322468A (ja) 過電圧保護回路
US4096399A (en) Crosspoint bias circuit arrangement
US3770606A (en) Schottky barrier diodes as impedance elements and method of making same
US2876366A (en) Semiconductor switching devices
GB1598899A (en) Logic circuits
US4130826A (en) Monolithic integrated semiconductor circuit
US4138614A (en) JFET switch circuit
US4520277A (en) High gain thyristor switching circuit
GB1560027A (en) Electronic cross-point array for a telecommunication system
US3786425A (en) Integrated circuit switching network providing crosspoint gain
US3896317A (en) Integrated monolithic switch for high voltage applications
US3819867A (en) Matrix employing semiconductor switching circuit
GB1488958A (en) Fast switching darlington circuit
GB1560355A (en) Transistor-transistor-logic circuit
US4145621A (en) Transistor logic circuits
US3591840A (en) Controllable space-charge-limited impedance device for integrated circuits
US4125855A (en) Integrated semiconductor crosspoint arrangement

Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee