DE2161397A1 - - Google Patents

Info

Publication number
DE2161397A1
DE2161397A1 DE19712161397 DE2161397A DE2161397A1 DE 2161397 A1 DE2161397 A1 DE 2161397A1 DE 19712161397 DE19712161397 DE 19712161397 DE 2161397 A DE2161397 A DE 2161397A DE 2161397 A1 DE2161397 A1 DE 2161397A1
Authority
DE
Germany
Prior art keywords
circuit
capacitor
arc lamp
discharge
controllable silicon
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.)
Granted
Application number
DE19712161397
Other languages
German (de)
English (en)
Other versions
DE2161397C3 (de
DE2161397B2 (de
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.)
Machida Endoscope Co Ltd
Original Assignee
Machida Endoscope 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
Application filed by Machida Endoscope Co Ltd filed Critical Machida Endoscope Co Ltd
Publication of DE2161397A1 publication Critical patent/DE2161397A1/de
Publication of DE2161397B2 publication Critical patent/DE2161397B2/de
Application granted granted Critical
Publication of DE2161397C3 publication Critical patent/DE2161397C3/de
Expired legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A61B1/06—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor with illuminating arrangements
    • A61B1/0661—Endoscope light sources
    • A61B1/0669—Endoscope light sources at proximal end of an endoscope
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A61B1/00002—Operational features of endoscopes
    • A61B1/00025—Operational features of endoscopes characterised by power management
    • A61B1/00027—Operational features of endoscopes characterised by power management characterised by power supply
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
    • H05B41/14—Circuit arrangements
    • H05B41/30—Circuit arrangements in which the lamp is fed by pulses, e.g. flash lamp
    • H05B41/32—Circuit arrangements in which the lamp is fed by pulses, e.g. flash lamp for single flash operation

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Surgery (AREA)
  • Biomedical Technology (AREA)
  • Medical Informatics (AREA)
  • Optics & Photonics (AREA)
  • Pathology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Biophysics (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Molecular Biology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Endoscopes (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)
DE2161397A 1971-01-21 1971-12-10 Schaltung zur Stromversorgung des Uchtgeberteils für ein Endoskop Expired DE2161397C3 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP139171 1971-01-21

Publications (3)

Publication Number Publication Date
DE2161397A1 true DE2161397A1 (enExample) 1972-08-03
DE2161397B2 DE2161397B2 (de) 1974-07-18
DE2161397C3 DE2161397C3 (de) 1975-03-20

Family

ID=11500177

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2161397A Expired DE2161397C3 (de) 1971-01-21 1971-12-10 Schaltung zur Stromversorgung des Uchtgeberteils für ein Endoskop

Country Status (2)

Country Link
US (1) US3805112A (enExample)
DE (1) DE2161397C3 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0002922A1 (en) * 1977-12-22 1979-07-11 Star Dental Manufacturing Co. Inc. Light control apparatus for a dental handpiece

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4045708A (en) * 1975-08-28 1977-08-30 General Electric Company Discharge lamp ballast circuit
JPS5336980A (en) * 1976-09-16 1978-04-05 Olympus Optical Co Light source for endscope

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3591829A (en) * 1967-04-20 1971-07-06 Minolta Camera Kk Automatic control device for electronic flash

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0002922A1 (en) * 1977-12-22 1979-07-11 Star Dental Manufacturing Co. Inc. Light control apparatus for a dental handpiece
DK153050B (da) * 1977-12-22 1988-06-13 Star Dental Mfg Co Lysstyreapparat til et dental haandstykke

Also Published As

Publication number Publication date
DE2161397C3 (de) 1975-03-20
DE2161397B2 (de) 1974-07-18
US3805112A (en) 1974-04-16

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Legal Events

Date Code Title Description
C3 Grant after two publication steps (3rd publication)
E77 Valid patent as to the heymanns-index 1977
8339 Ceased/non-payment of the annual fee