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
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
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 (xx) | 1964-06-15 |
Family
ID=26189203
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE644360D BE644360A (xx) | 1961-02-06 | 1964-02-26 |
Country Status (6)
| Country | Link |
|---|---|
| BE (1) | BE644360A (xx) |
| CH (2) | CH403999A (xx) |
| FR (1) | FR83193E (xx) |
| GB (2) | GB931474A (xx) |
| NL (1) | NL6402232A (xx) |
| SE (1) | SE301730B (xx) |
Families Citing this family (6)
| 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. |
-
1962
- 1962-01-24 CH CH88962A patent/CH403999A/fr unknown
- 1962-02-06 GB GB449862A patent/GB931474A/en not_active Expired
-
1963
- 1963-03-05 FR FR926918A patent/FR83193E/fr not_active Expired
-
1964
- 1964-02-26 BE BE644360D patent/BE644360A/xx unknown
- 1964-03-04 SE SE270764A patent/SE301730B/xx unknown
- 1964-03-05 NL NL6402232A patent/NL6402232A/xx unknown
- 1964-03-05 CH CH284264A patent/CH429968A/fr unknown
- 1964-03-05 GB GB941264A patent/GB994015A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| SE301730B (xx) | 1968-06-17 |
| GB931474A (en) | 1963-07-17 |
| GB994015A (en) | 1965-06-02 |
| FR83193E (fr) | 1964-06-26 |
| CH403999A (fr) | 1965-12-15 |
| CH429968A (fr) | 1967-02-15 |
| NL6402232A (xx) | 1964-09-07 |