FR1289488A - Hublot d'observation perfectionné - Google Patents
Hublot d'observation perfectionnéInfo
- Publication number
- FR1289488A FR1289488A FR851838A FR851838A FR1289488A FR 1289488 A FR1289488 A FR 1289488A FR 851838 A FR851838 A FR 851838A FR 851838 A FR851838 A FR 851838A FR 1289488 A FR1289488 A FR 1289488A
- Authority
- FR
- France
- Prior art keywords
- viewing window
- sophisticated
- sophisticated viewing
- window
- viewing
- 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
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
- G02B23/24—Instruments or systems for viewing the inside of hollow bodies, e.g. fibrescopes
- G02B23/2407—Optical details
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)
Priority Applications (9)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR851838A FR1289488A (fr) | 1961-02-06 | 1961-02-06 | Hublot d'observation perfectionné |
CH88962A CH403999A (fr) | 1961-02-06 | 1962-01-24 | Hublot d'observation |
GB449862A GB931474A (en) | 1961-02-06 | 1962-02-06 | Improvements in observation ports for enclosures |
FR926918A FR83193E (fr) | 1961-02-06 | 1963-03-05 | Hublot d'observation perfectionné |
BE644360D BE644360A (fr) | 1961-02-06 | 1964-02-26 | |
SE270764A SE301730B (fr) | 1961-02-06 | 1964-03-04 | |
CH284264A CH429968A (fr) | 1961-02-06 | 1964-03-05 | Hublot d'observation |
GB941264A GB994015A (en) | 1961-02-06 | 1964-03-05 | Improved observation device |
NL6402232A NL6402232A (fr) | 1961-02-06 | 1964-03-05 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR851838A FR1289488A (fr) | 1961-02-06 | 1961-02-06 | Hublot d'observation perfectionné |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1289488A true FR1289488A (fr) | 1962-04-06 |
Family
ID=8748224
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR851838A Expired FR1289488A (fr) | 1961-02-06 | 1961-02-06 | Hublot d'observation perfectionné |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1289488A (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2496905A1 (fr) * | 1980-12-24 | 1982-06-25 | France Etat | Episcope a reflexions multimodes |
-
1961
- 1961-02-06 FR FR851838A patent/FR1289488A/fr not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2496905A1 (fr) * | 1980-12-24 | 1982-06-25 | France Etat | Episcope a reflexions multimodes |
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