GB585650A - Improvements in and relating to electro-therapeutic impulse generators - Google Patents

Improvements in and relating to electro-therapeutic impulse generators

Info

Publication number
GB585650A
GB585650A GB24045/44A GB2404544A GB585650A GB 585650 A GB585650 A GB 585650A GB 24045/44 A GB24045/44 A GB 24045/44A GB 2404544 A GB2404544 A GB 2404544A GB 585650 A GB585650 A GB 585650A
Authority
GB
United Kingdom
Prior art keywords
primary
electro
output
core
capacitor
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
GB24045/44A
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.)
Philips Lamps Ltd
Koninklijke Philips NV
Original Assignee
Philips Lamps Ltd
Philips Gloeilampenfabrieken NV
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 Philips Lamps Ltd, Philips Gloeilampenfabrieken NV filed Critical Philips Lamps Ltd
Publication of GB585650A publication Critical patent/GB585650A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • A61N1/32—Applying electric currents by contact electrodes alternating or intermittent currents
    • 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
    • A61N1/32—Applying electric currents by contact electrodes alternating or intermittent currents
    • A61N1/36—Applying electric currents by contact electrodes alternating or intermittent currents for stimulation
    • A61N1/36014—External stimulators, e.g. with patch electrodes
    • A61N1/3603—Control systems
    • A61N1/36034—Control systems specified by the stimulation parameters
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
    • H03K3/02—Generators characterised by the type of circuit or by the means used for producing pulses
    • H03K3/53—Generators characterised by the type of circuit or by the means used for producing pulses by the use of an energy-accumulating element discharged through the load by a switching device controlled by an external signal and not incorporating positive feedback
    • H03K3/55—Generators characterised by the type of circuit or by the means used for producing pulses by the use of an energy-accumulating element discharged through the load by a switching device controlled by an external signal and not incorporating positive feedback the switching device being a gas-filled tube having a control electrode
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
    • H03K5/01—Shaping pulses

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Radiology & Medical Imaging (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Biophysics (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Generation Of Surge Voltage And Current (AREA)
GB24045/44A 1944-12-01 1944-12-01 Improvements in and relating to electro-therapeutic impulse generators Expired GB585650A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB266768X 1944-12-01
GB31245X 1945-12-03

Publications (1)

Publication Number Publication Date
GB585650A true GB585650A (en) 1947-02-14

Family

ID=26238064

Family Applications (1)

Application Number Title Priority Date Filing Date
GB24045/44A Expired GB585650A (en) 1944-12-01 1944-12-01 Improvements in and relating to electro-therapeutic impulse generators

Country Status (5)

Country Link
US (1) US2576634A (enrdf_load_stackoverflow)
BE (1) BE478476A (enrdf_load_stackoverflow)
CH (1) CH266768A (enrdf_load_stackoverflow)
FR (1) FR962823A (enrdf_load_stackoverflow)
GB (1) GB585650A (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE950585C (de) * 1952-10-03 1956-10-11 Walter Schellenberger Von Hand angetriebener Reizstromgenerator
JPS52141093A (en) * 1976-05-19 1977-11-25 Nippon Koinko Kk Low frequency curing device

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US386956A (en) * 1888-07-31 Reginald belfield
US1656381A (en) * 1923-06-05 1928-01-17 Day Fan Electric Company Adjustable-core transformer
US2230945A (en) * 1937-11-17 1941-02-04 Gen Electric Alternating current voltage regulator
US2153202A (en) * 1934-08-17 1939-04-04 Ibm Electrical filter
US2097400A (en) * 1935-03-30 1937-10-26 Afflliated Ind Corp Illuminating device
US2181309A (en) * 1935-04-09 1939-11-28 Telefunken Gmbh Electrical impulse segregation circuit
US2139023A (en) * 1935-08-23 1938-12-06 Baldwin Co Electrical generation of musical tones
US2144029A (en) * 1937-06-03 1939-01-17 Johnson Lab Inc High frequency coupling device
GB554221A (en) * 1941-11-18 1943-06-24 Britsh Thomson Houston Company Improvements relating to circuits controlled by means of variable reactors
US2426216A (en) * 1942-10-19 1947-08-26 Bell Telephone Labor Inc Aperiodic pulse timing system
US2423304A (en) * 1944-02-15 1947-07-01 Gen Electric Pulse producing system
US2415093A (en) * 1945-08-03 1947-02-04 Harry L Gerwin Signal generator

Also Published As

Publication number Publication date
BE478476A (enrdf_load_stackoverflow)
CH266768A (de) 1950-02-15
FR962823A (enrdf_load_stackoverflow) 1950-06-21
US2576634A (en) 1951-11-27

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