FR1591690A - - Google Patents

Info

Publication number
FR1591690A
FR1591690A FR1591690DA FR1591690A FR 1591690 A FR1591690 A FR 1591690A FR 1591690D A FR1591690D A FR 1591690DA FR 1591690 A FR1591690 A FR 1591690A
Authority
FR
France
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
Other languages
French (fr)
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
Priority claimed from DE19671566112 external-priority patent/DE1566112C/de
Application filed filed Critical
Application granted granted Critical
Publication of FR1591690A publication Critical patent/FR1591690A/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B23/00—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
    • G02B23/24—Instruments or systems for viewing the inside of hollow bodies, e.g. fibrescopes
    • G02B23/2407—Optical details
    • G02B23/2446—Optical details of the image relay
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B23/00—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
    • G02B23/24—Instruments or systems for viewing the inside of hollow bodies, e.g. fibrescopes
    • G02B23/2407—Optical details
    • G02B23/2423—Optical details of the distal end
    • G02B23/243—Objectives for endoscopes
    • G02B23/2438—Zoom objectives

Landscapes

  • Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Instruments For Viewing The Inside Of Hollow Bodies (AREA)
  • Endoscopes (AREA)
  • Lenses (AREA)
FR1591690D 1967-11-25 1968-11-07 Expired FR1591690A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19671566112 DE1566112C (de) 1967-11-25 1967-11-25 Optisches System variabler Ver großerung für ein Endoskop

Publications (1)

Publication Number Publication Date
FR1591690A true FR1591690A (enrdf_load_stackoverflow) 1970-05-04

Family

ID=5677949

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1591690D Expired FR1591690A (enrdf_load_stackoverflow) 1967-11-25 1968-11-07

Country Status (3)

Country Link
US (1) US3608998A (enrdf_load_stackoverflow)
FR (1) FR1591690A (enrdf_load_stackoverflow)
GB (1) GB1217939A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1982000899A1 (en) * 1980-09-03 1982-03-18 Bel R Variable field endoscopic system for distal or non-distal investigation

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4149769A (en) * 1977-09-20 1979-04-17 Richard Wolf Gmbh Endoscope telescopes with tubular connected ocular and objective lens means
JPS54149291A (en) * 1978-05-15 1979-11-22 Olympus Optical Co Hard endoscope provided with variable power system
FR2437194A1 (fr) * 1979-02-19 1980-04-25 Hamou Jacques Endoscopie et micro-endoscopie de contact
US4277133A (en) * 1979-03-22 1981-07-07 Western Publishing Company Microscope
US4664486A (en) * 1980-03-25 1987-05-12 Landre John K Variable magnification endoscope
US4704007A (en) * 1980-03-25 1987-11-03 Landre John K Variable magnification endoscope
DE3329785A1 (de) * 1983-08-18 1985-03-07 Richard Wolf Gmbh, 7134 Knittlingen Endoskopoptik
WO1997037581A2 (en) * 1996-04-10 1997-10-16 Endoscopic Technologies, Inc. Improving visualization during closed-chest surgery
DE112008000796T5 (de) * 2007-03-28 2010-04-29 Council Of Scientific & Industrial Research Tragbares Vergrößerungsinstrument zur Verwendung bei der Kolposkopie
WO2009001300A1 (en) * 2007-06-28 2008-12-31 Koninklijke Philips Electronics N.V. Lens system

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1091933A (en) * 1912-08-20 1914-03-31 Optische Anstalt Goerz Ag Telescope with variable magnification.
US1680490A (en) * 1923-06-25 1928-08-14 Reinhold H Wappler Endoscope
AT128590B (de) * 1930-07-12 1932-06-10 Wolf Gmbh Georg Gerät zum Untersuchen von Körperhöhlen, Körperröhren u. dgl.
US2171360A (en) * 1935-12-20 1939-08-29 Barr & Stroud Ltd Telescope observation instrument
US2519760A (en) * 1949-02-16 1950-08-22 American Cystoscope Makers Inc Lens system for gastroscopes or the like
US2705490A (en) * 1949-08-05 1955-04-05 Zeiss Carl Microscope for the examination of living tissues in body cavities
US3178994A (en) * 1961-03-31 1965-04-20 John W Lang Borescope

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1982000899A1 (en) * 1980-09-03 1982-03-18 Bel R Variable field endoscopic system for distal or non-distal investigation

Also Published As

Publication number Publication date
GB1217939A (en) 1971-01-06
US3608998A (en) 1971-09-28

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse