BE644360A - - Google Patents

Info

Publication number
BE644360A
BE644360A BE644360DA BE644360A BE 644360 A BE644360 A BE 644360A BE 644360D A BE644360D A BE 644360DA BE 644360 A BE644360 A BE 644360A
Authority
BE
Belgium
Application number
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 FR851838A external-priority patent/FR1289488A/fr
Application filed filed Critical
Publication of BE644360A publication Critical patent/BE644360A/xx

Links

Classifications

    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21F—PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
    • G21F7/00—Shielded cells or rooms
    • G21F7/02—Observation devices permitting vision but shielding the observer
    • 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
    • G02B23/02—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices involving prisms or mirrors
    • G02B23/08—Periscopes
    • 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
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21F—PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
    • G21F7/00—Shielded cells or rooms
    • G21F7/02—Observation devices permitting vision but shielding the observer
    • G21F7/03—Windows, e.g. shielded

Landscapes

  • Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Instruments For Viewing The Inside Of Hollow Bodies (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
  • Stereoscopic And Panoramic Photography (AREA)
  • Lenses (AREA)
BE644360D 1961-02-06 1964-02-26 BE644360A (enrdf_load_html_response)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR851838A FR1289488A (fr) 1961-02-06 1961-02-06 Hublot d'observation perfectionné
FR926918A FR83193E (fr) 1961-02-06 1963-03-05 Hublot d'observation perfectionné

Publications (1)

Publication Number Publication Date
BE644360A true BE644360A (enrdf_load_html_response) 1964-06-15

Family

ID=26189203

Family Applications (1)

Application Number Title Priority Date Filing Date
BE644360D BE644360A (enrdf_load_html_response) 1961-02-06 1964-02-26

Country Status (6)

Country Link
BE (1) BE644360A (enrdf_load_html_response)
CH (2) CH403999A (enrdf_load_html_response)
FR (1) FR83193E (enrdf_load_html_response)
GB (2) GB931474A (enrdf_load_html_response)
NL (1) NL6402232A (enrdf_load_html_response)
SE (1) SE301730B (enrdf_load_html_response)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3482897A (en) * 1965-10-29 1969-12-09 Gerhard Hopp Periscope
JPS5151950A (ja) * 1974-10-31 1976-05-07 Olympus Optical Co Sodensokogakukei
FR2365137A1 (fr) * 1976-09-20 1978-04-14 Clave Serge Nouvelle combinaison prismatique pour observation periscopique
FR2370297A1 (fr) * 1976-11-04 1978-06-02 Centre Rech Metallurgique Dispositif pour observer l'interieur d'une enceinte
US4934246A (en) * 1988-09-30 1990-06-19 Fmc Corporation Wide angled trapezoidal periscope
FR2702284B1 (fr) * 1993-03-04 1995-06-02 Bernard Kaczmarek Périscope de poche.

Also Published As

Publication number Publication date
CH403999A (fr) 1965-12-15
NL6402232A (enrdf_load_html_response) 1964-09-07
GB931474A (en) 1963-07-17
SE301730B (enrdf_load_html_response) 1968-06-17
GB994015A (en) 1965-06-02
FR83193E (fr) 1964-06-26
CH429968A (fr) 1967-02-15

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