GB765928A - Improvements in or relating to telecommunication systems - Google Patents

Improvements in or relating to telecommunication systems

Info

Publication number
GB765928A
GB765928A GB1897454A GB1897454A GB765928A GB 765928 A GB765928 A GB 765928A GB 1897454 A GB1897454 A GB 1897454A GB 1897454 A GB1897454 A GB 1897454A GB 765928 A GB765928 A GB 765928A
Authority
GB
United Kingdom
Prior art keywords
lead
control potential
tubes
relating
primed
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
GB1897454A
Other languages
English (en)
Inventor
Alan Davison
Ronald Threadgold
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.)
Automatic Telephone and Electric Co Ltd
Original Assignee
Automatic Telephone and Electric Co Ltd
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
Priority to NL224234D priority Critical patent/NL224234A/xx
Priority to NL94369D priority patent/NL94369C/xx
Application filed by Automatic Telephone and Electric Co Ltd filed Critical Automatic Telephone and Electric Co Ltd
Priority to GB1897454A priority patent/GB765928A/en
Priority to GB29147/55A priority patent/GB765929A/en
Priority to DEA19601A priority patent/DE975471C/de
Priority to US426337A priority patent/US2936402A/en
Publication of GB765928A publication Critical patent/GB765928A/en
Priority to US642461A priority patent/US2888612A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
    • H03K17/52—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of gas-filled tubes

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
  • Water Treatment By Electricity Or Magnetism (AREA)
GB1897454A 1952-01-16 1952-01-16 Improvements in or relating to telecommunication systems Expired GB765928A (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
NL224234D NL224234A (enrdf_load_stackoverflow) 1952-01-16
NL94369D NL94369C (enrdf_load_stackoverflow) 1952-01-16
GB1897454A GB765928A (en) 1952-01-16 1952-01-16 Improvements in or relating to telecommunication systems
GB29147/55A GB765929A (en) 1952-01-16 1952-01-16 Improvements in or relating to telecommunication systems
DEA19601A DE975471C (de) 1952-01-16 1953-01-16 Elektronischer Umschalter in Fernmelde-, insbesondere Fernsprech-anlagen
US426337A US2936402A (en) 1952-01-16 1954-04-29 Communication switching system employing gas tubes
US642461A US2888612A (en) 1952-01-16 1957-02-26 Telecommunication systems

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1897454A GB765928A (en) 1952-01-16 1952-01-16 Improvements in or relating to telecommunication systems

Publications (1)

Publication Number Publication Date
GB765928A true GB765928A (en) 1957-01-16

Family

ID=10121639

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1897454A Expired GB765928A (en) 1952-01-16 1952-01-16 Improvements in or relating to telecommunication systems

Country Status (3)

Country Link
DE (1) DE975471C (enrdf_load_stackoverflow)
GB (1) GB765928A (enrdf_load_stackoverflow)
NL (2) NL94369C (enrdf_load_stackoverflow)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2235153A (en) * 1939-07-11 1941-03-18 Bell Telephone Labor Inc Chain start circuit
US2291036A (en) * 1941-02-08 1942-07-28 Bell Telephone Labor Inc Selecting system
BE475754A (enrdf_load_stackoverflow) * 1941-11-21
AT166838B (de) * 1943-05-06 1950-09-25 Int Standard Electric Corp Steuersystem

Also Published As

Publication number Publication date
NL94369C (enrdf_load_stackoverflow)
DE975471C (de) 1961-12-07
NL224234A (enrdf_load_stackoverflow)

Similar Documents

Publication Publication Date Title
ES474718A1 (es) Perfeccionamientos en sistemas de comunicaciones con una pluralidad de estaciones
GB684318A (en) Pulse-modulation communication systems and transmitters and receivers for use therein
GB765928A (en) Improvements in or relating to telecommunication systems
GB750005A (en) Improvements relating to radar automatic tracking circuits
GB765929A (en) Improvements in or relating to telecommunication systems
GB788594A (en) Improvements in or relating to automatic telecommunication exchange systems
GB1137018A (en) Improvements in or relating to image intensifiers
GB682220A (en) Electrical impulse generator
GB661808A (en) Improvements relating to pulse code signalling systems
GB725733A (en) Improvements in or relating to circuits for use in automatic telephone systems
GB776255A (en) Improvements in electric discharge devices
GB691946A (en) Improvements in or relating to gas-filled electric discharge tubes and circuit arrangements therefor
GB575312A (en) Improvements in or relating to telephone systems
GB751941A (en) Improvements in and relating to electric discharge devices
GB619979A (en) Improvements in or relating to signalling systems
AU155388B2 (en) Improvements in or. relating to'devices, comprising an electric discharge tube having'a liquid T cathode
GB1090943A (en) Improvements in electrical primary cells
GB899572A (en) Electric discharge tube circuits
GB794814A (en) Improvements in or relating to co-ordinate switches for use in telecommunication exchange system
AU356451A (en) Improvements in or. relating to'devices, comprising an electric discharge tube having'a liquid T cathode
CA482553A (en) Cold cathode gas tube trigger pulse circuit
GB885458A (en) Electronic counting circuits
GB735690A (en) Improvements in or relating to telephone systems
GB712432A (en) Generator for television and like waveforms
GB556928A (en) Improvements in or relating to automatic or semi-automatic telephone systems