GB1518155A - Highfrequency oscillator - Google Patents

Highfrequency oscillator

Info

Publication number
GB1518155A
GB1518155A GB3749475A GB3749475A GB1518155A GB 1518155 A GB1518155 A GB 1518155A GB 3749475 A GB3749475 A GB 3749475A GB 3749475 A GB3749475 A GB 3749475A GB 1518155 A GB1518155 A GB 1518155A
Authority
GB
United Kingdom
Prior art keywords
transistor
switch
oscillator
coupling
core
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
GB3749475A
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.)
Siemens Corp
Original Assignee
Siemens Corp
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 Siemens Corp filed Critical Siemens Corp
Publication of GB1518155A publication Critical patent/GB1518155A/en
Expired legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
    • A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
    • A61B18/1206—Generators therefor
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
    • A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H5/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection
    • H02H5/04—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to abnormal temperature
    • H02H5/047—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to abnormal temperature using a temperature responsive switch
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H02H7/20—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for electronic equipment
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B2018/00636—Sensing and controlling the application of energy
    • A61B2018/0066—Sensing and controlling the application of energy without feedback, i.e. open loop control

Landscapes

  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Surgery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biomedical Technology (AREA)
  • Molecular Biology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Plasma & Fusion (AREA)
  • Physics & Mathematics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Otolaryngology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Power Engineering (AREA)
  • Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
GB3749475A 1974-10-02 1975-09-11 Highfrequency oscillator Expired GB1518155A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19742447105 DE2447105C3 (de) 1974-10-02 1974-10-02 Oszillator für ein Hochfrequenz-Chirurgiegerät

Publications (1)

Publication Number Publication Date
GB1518155A true GB1518155A (en) 1978-07-19

Family

ID=5927378

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3749475A Expired GB1518155A (en) 1974-10-02 1975-09-11 Highfrequency oscillator

Country Status (4)

Country Link
DE (1) DE2447105C3 (enExample)
FR (1) FR2286661A1 (enExample)
GB (1) GB1518155A (enExample)
IT (1) IT1042848B (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104764964A (zh) * 2015-04-21 2015-07-08 华北电力大学 大容量高频电力变压器分析方法及装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2852653A (en) * 1956-08-17 1958-09-16 Collins Radio Co Ferrite heater and heat sensor
FR1358687A (fr) * 1963-04-03 1964-04-17 Du Pont Transducteur sensible aux changements de température, de pression et de champ magnétique
DE1763346C3 (de) * 1968-05-09 1974-06-06 Siemens Ag, 1000 Berlin Und 8000 Muenchen Schaltungsanordnung zur Überlastungssicherung für elektronische Relaisanordnungen
DE2158624A1 (de) * 1971-11-26 1973-05-30 Olympia Werke Ag Schaltungsanordnung zur konstanthaltung einer temperatur

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104764964A (zh) * 2015-04-21 2015-07-08 华北电力大学 大容量高频电力变压器分析方法及装置
CN104764964B (zh) * 2015-04-21 2018-04-10 华北电力大学 大容量高频电力变压器分析方法及装置

Also Published As

Publication number Publication date
FR2286661B1 (enExample) 1978-06-23
FR2286661A1 (fr) 1976-04-30
DE2447105B2 (de) 1978-08-24
IT1042848B (it) 1980-01-30
DE2447105C3 (de) 1979-04-19
DE2447105A1 (de) 1976-04-08

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee