GB431630A - Improvements in or relating to the utilization of a gaseous conductor or discharge tube for controlling the operation of an electromagnetic device - Google Patents

Improvements in or relating to the utilization of a gaseous conductor or discharge tube for controlling the operation of an electromagnetic device

Info

Publication number
GB431630A
GB431630A GB4104/35A GB410435A GB431630A GB 431630 A GB431630 A GB 431630A GB 4104/35 A GB4104/35 A GB 4104/35A GB 410435 A GB410435 A GB 410435A GB 431630 A GB431630 A GB 431630A
Authority
GB
United Kingdom
Prior art keywords
relay
tube
condenser
cathode
winding
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
GB4104/35A
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.)
STC PLC
Original Assignee
Standard Telephone and Cables PLC
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 claimed from US743060A external-priority patent/US2029693A/en
Application filed by Standard Telephone and Cables PLC filed Critical Standard Telephone and Cables PLC
Publication of GB431630A publication Critical patent/GB431630A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q1/00—Details of selecting apparatus or arrangements
    • H04Q1/18—Electrical details
    • H04Q1/30—Signalling arrangements; Manipulation of signalling currents
    • H04Q1/32—Signalling arrangements; Manipulation of signalling currents using trains of DC pulses

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Selective Calling Equipment (AREA)
GB4104/35A 1934-09-07 1935-02-08 Improvements in or relating to the utilization of a gaseous conductor or discharge tube for controlling the operation of an electromagnetic device Expired GB431630A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US431630XA 1934-09-07 1934-09-07
US743060A US2029693A (en) 1934-09-07 1934-09-07 Telephone system

Publications (1)

Publication Number Publication Date
GB431630A true GB431630A (en) 1935-07-11

Family

ID=26720103

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4104/35A Expired GB431630A (en) 1934-09-07 1935-02-08 Improvements in or relating to the utilization of a gaseous conductor or discharge tube for controlling the operation of an electromagnetic device

Country Status (2)

Country Link
GB (1) GB431630A (en:Method)
NL (1) NL41936C (en:Method)

Also Published As

Publication number Publication date
NL41936C (en:Method)

Similar Documents

Publication Publication Date Title
GB485120A (en) Improvements in or relating to relaxation oscillation generators
GB707760A (en) Improvements in or relating to selector circuits for use in automatic telephone-exchange and like systems
GB650890A (en) Improvements in or relating to electric discharge tubes
GB556511A (en) Improvements in and relating to time delay electric relays
GB431630A (en) Improvements in or relating to the utilization of a gaseous conductor or discharge tube for controlling the operation of an electromagnetic device
US2124848A (en) Polar impulse repeater system
GB552062A (en) Improvements in or relating to electrical impulse transmission
GB398546A (en) Improvements in circuits for modifying the wave-form of electric signals such as telegraph signals
US2022030A (en) Signaling system
GB788591A (en) Improvements in or relating to cold cathode gas filled electric discharge tubes
US2029693A (en) Telephone system
GB740302A (en) Improvements in or relating to automatic or semi-automatic telephone systems
GB705477A (en) Improvements in or relating to electric pulse-selecting circuits
US1898118A (en) Signaling system
GB467867A (en) Improvements in or relating to telephone and like signalling systems
GB555688A (en) Signalling and communication systems
GB549785A (en) Improved means for testing and selecting electrical circuits, particularly in automatic telephone systems
GB699941A (en) Improvements in or relating to apparatus for supplying ringing current in automatic telephone-exchange and like systems
US2034874A (en) Signaling system
GB549125A (en) Improvements in and relating to electrical control systems employing vacuum tubes operating with secondary emission
GB762440A (en) Arrangement for preventing the after-glow of the steady luminous spot after the switching-off of television sets employing cathode-ray tubes
GB450986A (en) Improvements in thermionic and like time-base circuits
US2713654A (en) Signaling systems
GB479034A (en) Arrangements for keying radio transmitters
GB802409A (en) Improvements in or relating to control devices responsive to the attraction by an electro-magnet of the armature thereof