BE770565A - DEVICE TO PREVENT MIST OF OBSERVATION DEVICES - Google Patents

DEVICE TO PREVENT MIST OF OBSERVATION DEVICES

Info

Publication number
BE770565A
BE770565A BE770565A BE770565A BE770565A BE 770565 A BE770565 A BE 770565A BE 770565 A BE770565 A BE 770565A BE 770565 A BE770565 A BE 770565A BE 770565 A BE770565 A BE 770565A
Authority
BE
Belgium
Prior art keywords
observation devices
prevent mist
mist
prevent
observation
Prior art date
Application number
BE770565A
Other languages
French (fr)
Original Assignee
Licentia Gmbh
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 Licentia Gmbh filed Critical Licentia Gmbh
Publication of BE770565A publication Critical patent/BE770565A/en

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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
  • Telescopes (AREA)
  • Eyeglasses (AREA)
BE770565A 1970-08-05 1971-07-27 DEVICE TO PREVENT MIST OF OBSERVATION DEVICES BE770565A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE7029487U DE7029487U (en) 1970-08-05 1970-08-05 ARRANGEMENT TO PREVENT OBSERVATION DEVICES.

Publications (1)

Publication Number Publication Date
BE770565A true BE770565A (en) 1971-12-01

Family

ID=6613531

Family Applications (1)

Application Number Title Priority Date Filing Date
BE770565A BE770565A (en) 1970-08-05 1971-07-27 DEVICE TO PREVENT MIST OF OBSERVATION DEVICES

Country Status (4)

Country Link
BE (1) BE770565A (en)
CH (1) CH526120A (en)
DE (1) DE7029487U (en)
NL (1) NL7110736A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6440825A (en) * 1987-08-06 1989-02-13 Sony Corp Lens cap
IT1213675B (en) * 1987-08-07 1989-12-29 Marposs Spa OPTICAL APPARATUS WITH PROTECTION DEVICE
CA2162578A1 (en) * 1993-05-10 1994-11-24 L. Michael Hone Bar code scanner with field replaceable window

Also Published As

Publication number Publication date
NL7110736A (en) 1972-02-08
DE7029487U (en) 1971-02-11
CH526120A (en) 1972-07-31

Similar Documents

Publication Publication Date Title
BE763947A (en) WATERPROOFING DEVICE
BE804052Q (en) SUSPENSION DEVICE FOR INSULATION ELEMENTS
CH528988A (en) Device for paint application
BE772140A (en) CABLE STOPPING DEVICE
BE617006A (en) Device for pulse division
FR1190613A (en) Device to prevent the formation of avalanches
BE788781A (en) OBSERVATION DEVICE
BE770565A (en) DEVICE TO PREVENT MIST OF OBSERVATION DEVICES
BE766998A (en) AERATION DEVICE FOR MEDICAL DEVICES
BE788644A (en) DEVICE FOR DISPLAYING SIGNS
BE784577A (en) DEVICE FOR THE PROTECTION OF PLANT PROTECTION AGENTS
BE764296A (en) DEVICE FOR VENTILATION OF PREMISES
BE787522A (en) DEVICE FOR THE PREPARATION OF IRISH-COFFEE
BE792271A (en) LANGUAGE TEACHING DEVICE
BE756755A (en) SHOE MAINTENANCE DEVICE
CH441855A (en) Device to promote the development of plants
BE773114A (en) HEARING PROTECTION DEVICE
BE768819A (en) GLASS FRAMING DEVICE
FR1384481A (en) Device to improve the detection of contaminants
CH402202A (en) Device to facilitate the coupling of two sets
BE773661A (en) COUPLING DEVICE
BE764447A (en) DEVICE FOR THE ELASTIC COUPLING OF SHAFTS
FR1069325A (en) Reversible plow overturning device
FR1525813A (en) Adjustable jib device to facilitate the erection of roofs
CH473992A (en) Coupling device of two shafts