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
  • A61B1/04—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 combined with photographic or television appliances
• • 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
  • A61B1/00163—Optical arrangements
  • A61B1/00165—Optical arrangements with light-conductive means, e.g. fibre optics
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
  • H01J31/00—Cathode ray tubes; Electron beam tubes
  • H01J31/08—Cathode ray tubes; Electron beam tubes having a screen on or from which an image or pattern is formed, picked up, converted, or stored
  • H01J31/26—Image pick-up tubes having an input of visible light and electric output
  • H01J31/28—Image pick-up tubes having an input of visible light and electric output with electron ray scanning the image screen
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
  • H01J31/00—Cathode ray tubes; Electron beam tubes
  • H01J31/08—Cathode ray tubes; Electron beam tubes having a screen on or from which an image or pattern is formed, picked up, converted, or stored
  • H01J31/50—Image-conversion or image-amplification tubes, i.e. having optical, X-ray, or analogous input, and optical output
• • H—ELECTRICITY
  • H03—ELECTRONIC CIRCUITRY
  • H03K—PULSE TECHNIQUE
  • H03K4/00—Generating pulses having essentially a finite slope or stepped portions
  • H03K4/06—Generating pulses having essentially a finite slope or stepped portions having triangular shape
  • H03K4/08—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape
  • H03K4/48—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements semiconductor devices
  • H03K4/60—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements semiconductor devices in which a sawtooth current is produced through an inductor
  • H03K4/62—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements semiconductor devices in which a sawtooth current is produced through an inductor using a semiconductor device operating as a switching device
  • H03K4/68—Generators in which the switching device is conducting during the fly-back part of the cycle
• • H—ELECTRICITY
  • H03—ELECTRONIC CIRCUITRY
  • H03K—PULSE TECHNIQUE
  • H03K4/00—Generating pulses having essentially a finite slope or stepped portions
  • H03K4/06—Generating pulses having essentially a finite slope or stepped portions having triangular shape
  • H03K4/08—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape
  • H03K4/83—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements semiconductor devices with more than two PN junctions or with more than three electrodes or more than one electrode connected to the same conductivity region
  • H03K4/84—Generators in which the semiconductor device is conducting during the fly-back part of the cycle

Landscapes

• Health & Medical Sciences (AREA)
• Life Sciences & Earth Sciences (AREA)
• Surgery (AREA)
• Optics & Photonics (AREA)
• Physics & Mathematics (AREA)
• Biomedical Technology (AREA)
• Medical Informatics (AREA)
• Radiology & Medical Imaging (AREA)
• Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
• Engineering & Computer Science (AREA)
• Biophysics (AREA)
• Heart & Thoracic Surgery (AREA)
• Pathology (AREA)
• Molecular Biology (AREA)
• Animal Behavior & Ethology (AREA)
• General Health & Medical Sciences (AREA)
• Public Health (AREA)
• Veterinary Medicine (AREA)
• Details Of Television Scanning (AREA)
• Electron Sources, Ion Sources (AREA)
• Dc-Dc Converters (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=23963397

Family Applications (1)

Country Status (12)

Cited By (1)

Families Citing this family (1)

Family Cites Families (2)

• 1965
  • 1965-10-08 US US494184A patent/US3423630A/en not_active Expired - Lifetime
• 1966
  • 1966-09-27 GB GB43196/66A patent/GB1159254A/en not_active Expired
  • 1966-10-01 DE DE19661462945 patent/DE1462945B2/de not_active Withdrawn
  • 1966-10-04 ES ES0331889A patent/ES331889A1/es not_active Expired
  • 1966-10-04 FI FI2603/66A patent/FI42975B/fi active
  • 1966-10-05 BR BR183410/66A patent/BR6683410D0/pt unknown
  • 1966-10-05 AT AT932166A patent/AT287083B/de not_active IP Right Cessation
  • 1966-10-07 SE SE13568/66A patent/SE319517B/xx unknown
  • 1966-10-07 DK DK521966AA patent/DK129430B/da unknown
  • 1966-10-07 NO NO165044A patent/NO121685C/no unknown
  • 1966-10-07 BE BE687988D patent/BE687988A/xx unknown
  • 1966-10-07 NL NL6614144.A patent/NL156554B/xx unknown

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