FR1533820A - Method for preventing the formation of optically disturbing streaks on an observation window of optical apparatus and apparatus provided with a device for the application of the above method or the like - Google Patents
Method for preventing the formation of optically disturbing streaks on an observation window of optical apparatus and apparatus provided with a device for the application of the above method or the likeInfo
- Publication number
- FR1533820A FR1533820A FR117297A FR117297A FR1533820A FR 1533820 A FR1533820 A FR 1533820A FR 117297 A FR117297 A FR 117297A FR 117297 A FR117297 A FR 117297A FR 1533820 A FR1533820 A FR 1533820A
- Authority
- FR
- France
- Prior art keywords
- preventing
- formation
- application
- observation window
- above method
- 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
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/0006—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 with means to keep optical surfaces clean, e.g. by preventing or removing dirt, stains, contamination, condensation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B17/00—Methods preventing fouling
- B08B17/02—Preventing deposition of fouling or of dust
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Telescopes (AREA)
- Optical Measuring Cells (AREA)
- Indicating Or Recording The Presence, Absence, Or Direction Of Movement (AREA)
- Sampling And Sample Adjustment (AREA)
- Radiation Pyrometers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH1175866A CH444520A (en) | 1966-08-15 | 1966-08-15 | Method for preventing the formation of optically disturbing streaks on a window with a temperature jump to the adjacent room and device for carrying out this method |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1533820A true FR1533820A (en) | 1968-07-19 |
Family
ID=4376598
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR117297A Expired FR1533820A (en) | 1966-08-15 | 1967-08-08 | Method for preventing the formation of optically disturbing streaks on an observation window of optical apparatus and apparatus provided with a device for the application of the above method or the like |
Country Status (7)
Country | Link |
---|---|
US (1) | US3510193A (en) |
CH (1) | CH444520A (en) |
DE (1) | DE1572616B2 (en) |
FR (1) | FR1533820A (en) |
GB (1) | GB1174325A (en) |
NL (1) | NL6710190A (en) |
SE (1) | SE325721B (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2508181A1 (en) * | 1981-06-19 | 1982-12-24 | Sopelem | Water vapour sealed enclosure for optical instrument or laser - has cartridge of inert gas connected to optical enclosure through pressure reducer |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IL81190A (en) * | 1987-01-07 | 1990-11-29 | Scitex Corp Ltd | Device for stabilization of beam intensity distribution in laser scanners |
US4887779A (en) * | 1987-12-01 | 1989-12-19 | The Boeing Company | Roll drum sensor housing having sliding window |
JP4551392B2 (en) * | 2003-02-13 | 2010-09-29 | クレイグ ハート マクドガール | Front vision device for automobiles |
US8444330B2 (en) * | 2010-10-08 | 2013-05-21 | Mori Seiki Co., Ltd. | In-magazine imaging device enclosure |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3118231A (en) * | 1964-01-21 | Rathsmill | ||
US3103712A (en) * | 1961-05-23 | 1963-09-17 | Allinikov Sidney | High temperature resistant viewing device |
US3310356A (en) * | 1963-02-08 | 1967-03-21 | Gen Precision Inc | Lens protective device utilizing dual air streams |
-
1966
- 1966-08-15 CH CH1175866A patent/CH444520A/en unknown
-
1967
- 1967-07-11 DE DE19671572616 patent/DE1572616B2/en not_active Withdrawn
- 1967-07-12 GB GB32076/67A patent/GB1174325A/en not_active Expired
- 1967-07-24 NL NL6710190A patent/NL6710190A/xx unknown
- 1967-08-08 FR FR117297A patent/FR1533820A/en not_active Expired
- 1967-08-14 SE SE11428/67A patent/SE325721B/xx unknown
- 1967-08-15 US US661173A patent/US3510193A/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2508181A1 (en) * | 1981-06-19 | 1982-12-24 | Sopelem | Water vapour sealed enclosure for optical instrument or laser - has cartridge of inert gas connected to optical enclosure through pressure reducer |
Also Published As
Publication number | Publication date |
---|---|
SE325721B (en) | 1970-07-06 |
NL6710190A (en) | 1968-02-16 |
GB1174325A (en) | 1969-12-17 |
DE1572616A1 (en) | 1970-07-30 |
CH444520A (en) | 1967-09-30 |
US3510193A (en) | 1970-05-05 |
DE1572616B2 (en) | 1971-10-28 |
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