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 like

Info

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
Application number
FR117297A
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Rheinmetall Air Defence AG
Original Assignee
Contraves AG
Oerlikon Contraves AG
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
Application filed by Contraves AG, Oerlikon Contraves AG filed Critical Contraves AG
Application granted granted Critical
Publication of FR1533820A publication Critical patent/FR1533820A/en
Expired legal-status Critical Current

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)
FR117297A 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 Expired FR1533820A (en)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Cited By (1)

* Cited by examiner, † Cited by third party
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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