GB341493A - Apparatus for electro-therapeutic treatment by means of electron valves for connection to alternating current mains - Google Patents

Apparatus for electro-therapeutic treatment by means of electron valves for connection to alternating current mains

Info

Publication number
GB341493A
GB341493A GB2172229A GB2172229A GB341493A GB 341493 A GB341493 A GB 341493A GB 2172229 A GB2172229 A GB 2172229A GB 2172229 A GB2172229 A GB 2172229A GB 341493 A GB341493 A GB 341493A
Authority
GB
United Kingdom
Prior art keywords
cathode
circuit
current
valves
potentiometer
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
GB2172229A
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.)
Individual
Original Assignee
Individual
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 BE341493D priority Critical patent/BE341493A/xx
Priority to CH142292D priority patent/CH142292A/de
Application filed by Individual filed Critical Individual
Priority to GB2172229A priority patent/GB341493A/en
Priority to FR679194D priority patent/FR679194A/fr
Publication of GB341493A publication Critical patent/GB341493A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01T—SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
    • H01T13/00—Sparking plugs
    • H01T13/20—Sparking plugs characterised by features of the electrodes or insulation
    • H01T13/34—Sparking plugs characterised by features of the electrodes or insulation characterised by the mounting of electrodes in insulation, e.g. by embedding
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N1/00—Electrotherapy; Circuits therefor
    • A61N1/18—Applying electric currents by contact electrodes
    • A61N1/20—Applying electric currents by contact electrodes continuous direct currents

Landscapes

  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Radiology & Medical Imaging (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Radiation-Therapy Devices (AREA)
GB2172229A 1929-07-15 1929-07-15 Apparatus for electro-therapeutic treatment by means of electron valves for connection to alternating current mains Expired GB341493A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
BE341493D BE341493A (enrdf_load_stackoverflow) 1929-07-15 1927-04-29
CH142292D CH142292A (de) 1929-07-15 1929-07-12 Einrichtung zur elektrotherapeutischen Galvanisation mittelst Elektronenröhren, zum Anschluss an Wechselstromnetze.
GB2172229A GB341493A (en) 1929-07-15 1929-07-15 Apparatus for electro-therapeutic treatment by means of electron valves for connection to alternating current mains
FR679194D FR679194A (fr) 1929-07-15 1929-07-23 Dispositif de traitement galvanique électro-thérapeutique au moyen de tubes électroniques reliés à un réseau de courant alternatif

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2172229A GB341493A (en) 1929-07-15 1929-07-15 Apparatus for electro-therapeutic treatment by means of electron valves for connection to alternating current mains

Publications (1)

Publication Number Publication Date
GB341493A true GB341493A (en) 1931-01-15

Family

ID=10167733

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2172229A Expired GB341493A (en) 1929-07-15 1929-07-15 Apparatus for electro-therapeutic treatment by means of electron valves for connection to alternating current mains

Country Status (4)

Country Link
BE (1) BE341493A (enrdf_load_stackoverflow)
CH (1) CH142292A (enrdf_load_stackoverflow)
FR (1) FR679194A (enrdf_load_stackoverflow)
GB (1) GB341493A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
BE341493A (enrdf_load_stackoverflow) 1927-05-31
FR679194A (fr) 1930-04-09
CH142292A (de) 1930-09-15

Similar Documents

Publication Publication Date Title
GB341493A (en) Apparatus for electro-therapeutic treatment by means of electron valves for connection to alternating current mains
US1999729A (en) Apparatus for producing graduated involuntary muscular contractions
GB534047A (en) Improvements in and relating to cyclotrons
US2053133A (en) Rectification of alternating currents
US1988947A (en) Electric valve-converting apparatus
GB366473A (en) Improvements in and relating to x-ray apparatus
GB237538A (en) Improvements in or relating to regulating means for electric circuits
US1676990A (en) Best available cop
US1870027A (en) Electric power converting apparatus
US2248625A (en) Electric valve control circuit
SU48760A1 (ru) Устройство дл выпр млени переменного тока
GB657072A (en) Improvements in or relating to electric circuit arrangements for operating electric discharge lamps on a.c.
DE652048C (de) Einrichtung zur unmittelbaren Umformung von niederfrequentem Drei- oder Mehrphasenstrom in mittel- oder hochfrequenten Einphasenstrom mit Hilfe von Stromrichtern
US2043844A (en) Electric control circuits
GB735421A (en) Improvements in or relating to means for operating electrical discharge tubes or lamps in which two or more tubes or lamps are connected in series
GB498107A (en) Improvements in circuit arrangements for operating electric discharge devices
GB219053A (en) Improvements in and relating to the generation of waves for wireless telegraphy and telephony by thermionic valves
GB220608A (en) Improved arrangements for increasing the frequency of electric currents
GB422186A (en) Improvements in or relating to grid controlled electric discharge apparatus
GB288396A (en) Improvements in or relating to grid-biasing units fed by alternating current
GB400368A (en) Improvements in devices comprising a gasfilled electric discharge tube having one ormore incandescent electrodes
GB402218A (en) Improvements in apparatus for heating incandescent cathodes in gas discharge devices
GB268797A (en) Improvements in or relating to apparatus for smoothing unidirectional electric current
GB437093A (en) Improved method of and installation for making x-ray exposures
GB342263A (en) Improvements in and relating to the control of unilateral electric current consuming devices