BE772069A - Substance luminescente pouvant etre excitee par rayonnement infrarouge - Google Patents

Substance luminescente pouvant etre excitee par rayonnement infrarouge

Info

Publication number
BE772069A
BE772069A BE772069A BE772069A BE772069A BE 772069 A BE772069 A BE 772069A BE 772069 A BE772069 A BE 772069A BE 772069 A BE772069 A BE 772069A BE 772069 A BE772069 A BE 772069A
Authority
BE
Belgium
Prior art keywords
excited
infrared radiation
luminescent substance
luminescent
substance
Prior art date
Application number
BE772069A
Other languages
English (en)
French (fr)
Original Assignee
Philips Nv
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 Philips Nv filed Critical Philips Nv
Publication of BE772069A publication Critical patent/BE772069A/xx

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
    • C09K11/08—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials
    • C09K11/77—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals
    • C09K11/7766—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals containing two or more rare earth metals
    • C09K11/7772—Halogenides
    • C09K11/7773—Halogenides with alkali or alkaline earth metal
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
    • C09K11/08—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials
    • C09K11/77—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals
    • C09K11/7766—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals containing two or more rare earth metals
    • C09K11/7772—Halogenides
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/02—Circuit arrangements for generating control signals
    • F02D41/14—Introducing closed-loop corrections
    • F02D41/1438—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor
    • F02D41/1444—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases
    • F02D41/1454—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases the characteristics being an oxygen content or concentration or the air-fuel ratio
    • F02D41/1456—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases the characteristics being an oxygen content or concentration or the air-fuel ratio with sensor output signal being linear or quasi-linear with the concentration of oxygen

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Luminescent Compositions (AREA)
BE772069A 1970-09-03 1971-09-01 Substance luminescente pouvant etre excitee par rayonnement infrarouge BE772069A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7013029A NL7013029A (enrdf_load_stackoverflow) 1970-09-03 1970-09-03

Publications (1)

Publication Number Publication Date
BE772069A true BE772069A (fr) 1972-03-01

Family

ID=19810942

Family Applications (1)

Application Number Title Priority Date Filing Date
BE772069A BE772069A (fr) 1970-09-03 1971-09-01 Substance luminescente pouvant etre excitee par rayonnement infrarouge

Country Status (6)

Country Link
BE (1) BE772069A (enrdf_load_stackoverflow)
CA (1) CA975153A (enrdf_load_stackoverflow)
DE (1) DE2142892A1 (enrdf_load_stackoverflow)
FR (1) FR2107248A5 (enrdf_load_stackoverflow)
GB (1) GB1333177A (enrdf_load_stackoverflow)
NL (1) NL7013029A (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2554122B1 (fr) * 1983-11-02 1987-03-20 Rhone Poulenc Spec Chim Nouvelle composition destinee au marquage de documents et procede de verification de l'authenticite de ces documents
EP1048049B1 (en) * 1998-10-19 2007-01-03 Koninklijke Philips Electronics N.V. Luminescent material

Also Published As

Publication number Publication date
GB1333177A (en) 1973-10-10
CA975153A (en) 1975-09-30
FR2107248A5 (enrdf_load_stackoverflow) 1972-05-05
NL7013029A (enrdf_load_stackoverflow) 1972-03-07
DE2142892A1 (de) 1972-03-09

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