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 (fr)

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 (fr) 1964-06-15

Family

ID=26189203

Family Applications (1)

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

Country Status (6)

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

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
LU78443A1 (fr) * 1976-11-04 1978-02-16
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
GB994015A (en) 1965-06-02
FR83193E (fr) 1964-06-26
GB931474A (en) 1963-07-17
SE301730B (fr) 1968-06-17
CH429968A (fr) 1967-02-15
CH403999A (fr) 1965-12-15
NL6402232A (fr) 1964-09-07

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