GB1191414A - Endoscopic Supply Unit. - Google Patents

Endoscopic Supply Unit.

Info

Publication number
GB1191414A
GB1191414A GB3931568A GB3931568A GB1191414A GB 1191414 A GB1191414 A GB 1191414A GB 3931568 A GB3931568 A GB 3931568A GB 3931568 A GB3931568 A GB 3931568A GB 1191414 A GB1191414 A GB 1191414A
Authority
GB
United Kingdom
Prior art keywords
endoscopic
supply unit
endoscope
source
light unit
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
GB3931568A
Other languages
English (en)
Inventor
John Harold Blackett
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.)
Matburn Holdings Ltd
Original Assignee
Matburn Holdings 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 Matburn Holdings Ltd filed Critical Matburn Holdings Ltd
Priority to GB3931568A priority Critical patent/GB1191414A/en
Priority to FR6905678A priority patent/FR2003235A1/fr
Priority to SE284769A priority patent/SE359224B/xx
Priority to JP44015900A priority patent/JPS4831556B1/ja
Priority to DE19691910810 priority patent/DE1910810C3/de
Publication of GB1191414A publication Critical patent/GB1191414A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H03K3/26—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bipolar transistors with internal or external positive feedback
    • H03K3/28—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bipolar transistors with internal or external positive feedback using means other than a transformer for feedback
    • H03K3/281—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bipolar transistors with internal or external positive feedback using means other than a transformer for feedback using at least two transistors so coupled that the input of one is derived from the output of another, e.g. multivibrator
    • H03K3/282—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bipolar transistors with internal or external positive feedback using means other than a transformer for feedback using at least two transistors so coupled that the input of one is derived from the output of another, e.g. multivibrator astable
    • 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
    • A61B1/00004—Operational features of endoscopes characterised by electronic signal processing
    • A61B1/00006—Operational features of endoscopes characterised by electronic signal processing of control signals
    • 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
    • A61B1/0676—Endoscope light sources at distal tip of an endoscope
    • 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
    • H03K3/26—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bipolar transistors with internal or external positive feedback
    • H03K3/28—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bipolar transistors with internal or external positive feedback using means other than a transformer for feedback
    • H03K3/281—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bipolar transistors with internal or external positive feedback using means other than a transformer for feedback using at least two transistors so coupled that the input of one is derived from the output of another, e.g. multivibrator
    • H03K3/282—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bipolar transistors with internal or external positive feedback using means other than a transformer for feedback using at least two transistors so coupled that the input of one is derived from the output of another, e.g. multivibrator astable
    • H03K3/2823—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bipolar transistors with internal or external positive feedback using means other than a transformer for feedback using at least two transistors so coupled that the input of one is derived from the output of another, e.g. multivibrator astable using two active transistor of the same conductivity type

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Surgery (AREA)
  • Biophysics (AREA)
  • Medical Informatics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Optics & Photonics (AREA)
  • Pathology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Power Engineering (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Physics & Mathematics (AREA)
  • Molecular Biology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Signal Processing (AREA)
  • Endoscopes (AREA)
  • Instruments For Viewing The Inside Of Hollow Bodies (AREA)
GB3931568A 1968-03-05 1968-03-05 Endoscopic Supply Unit. Expired GB1191414A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
GB3931568A GB1191414A (en) 1968-03-05 1968-03-05 Endoscopic Supply Unit.
FR6905678A FR2003235A1 (xx) 1968-03-05 1969-03-03
SE284769A SE359224B (xx) 1968-03-05 1969-03-03
JP44015900A JPS4831556B1 (xx) 1968-03-05 1969-03-04
DE19691910810 DE1910810C3 (de) 1968-03-05 1969-03-04 Endoskop mit einer über einen Transformator gespeisten distalen Glühbirne

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB3931568A GB1191414A (en) 1968-03-05 1968-03-05 Endoscopic Supply Unit.
GB1055868 1968-03-05

Publications (1)

Publication Number Publication Date
GB1191414A true GB1191414A (en) 1970-05-13

Family

ID=26247601

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3931568A Expired GB1191414A (en) 1968-03-05 1968-03-05 Endoscopic Supply Unit.

Country Status (5)

Country Link
JP (1) JPS4831556B1 (xx)
DE (1) DE1910810C3 (xx)
FR (1) FR2003235A1 (xx)
GB (1) GB1191414A (xx)
SE (1) SE359224B (xx)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111990945A (zh) * 2020-09-17 2020-11-27 河南省中医院（河南中医药大学第二附属医院） 一种肛肠科内窥镜信号管理系统

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3595221A (en) * 1969-03-04 1971-07-27 Matburn Holdings Ltd Endoscopic having illumination supply unit
JPS5078863A (xx) * 1973-11-16 1975-06-26
JPS6273793A (ja) * 1985-09-27 1987-04-04 山水電気株式会社 プリント配線基板
JPS6381897A (ja) * 1986-09-25 1988-04-12 日本シイエムケイ株式会社 プリント配線板

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111990945A (zh) * 2020-09-17 2020-11-27 河南省中医院（河南中医药大学第二附属医院） 一种肛肠科内窥镜信号管理系统
CN111990945B (zh) * 2020-09-17 2023-03-14 河南省中医院（河南中医药大学第二附属医院） 一种肛肠科内窥镜信号管理系统

Also Published As

Publication number Publication date
FR2003235A1 (xx) 1969-11-07
JPS4831556B1 (xx) 1973-09-29
DE1910810B2 (de) 1974-08-29
DE1910810A1 (de) 1969-10-02
SE359224B (xx) 1973-08-27
DE1910810C3 (de) 1975-04-10

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Legal Events

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