FR892395A - Method for preventing soiling and excessive heating of the optics of measuring instruments - Google Patents

Method for preventing soiling and excessive heating of the optics of measuring instruments

Info

Publication number
FR892395A
FR892395A FR892395DA FR892395A FR 892395 A FR892395 A FR 892395A FR 892395D A FR892395D A FR 892395DA FR 892395 A FR892395 A FR 892395A
Authority
FR
France
Prior art keywords
optics
measuring instruments
excessive heating
preventing soiling
soiling
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
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.)
Thyssen AG
Original Assignee
August Thyssen Huette 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 August Thyssen Huette AG filed Critical August Thyssen Huette AG
Application granted granted Critical
Publication of FR892395A publication Critical patent/FR892395A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
    • G01K1/08—Protective devices, e.g. casings
    • G01K1/12—Protective devices, e.g. casings for preventing damage due to heat overloading

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR892395D 1942-05-07 1943-03-16 Method for preventing soiling and excessive heating of the optics of measuring instruments Expired FR892395A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE892395X 1942-05-07

Publications (1)

Publication Number Publication Date
FR892395A true FR892395A (en) 1944-04-05

Family

ID=6846290

Family Applications (1)

Application Number Title Priority Date Filing Date
FR892395D Expired FR892395A (en) 1942-05-07 1943-03-16 Method for preventing soiling and excessive heating of the optics of measuring instruments

Country Status (1)

Country Link
FR (1) FR892395A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2677277A (en) * 1951-02-06 1954-05-04 Leeds & Northrup Co Radiation method and apparatus for measuring the temperature of a heated body within an enclosure

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2677277A (en) * 1951-02-06 1954-05-04 Leeds & Northrup Co Radiation method and apparatus for measuring the temperature of a heated body within an enclosure

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