GB1542526A - Method and apparatus for altering the spectral distribution of a tungsten-halogen light source - Google Patents

Method and apparatus for altering the spectral distribution of a tungsten-halogen light source

Info

Publication number
GB1542526A
GB1542526A GB766351A GB635176A GB1542526A GB 1542526 A GB1542526 A GB 1542526A GB 766351 A GB766351 A GB 766351A GB 635176 A GB635176 A GB 635176A GB 1542526 A GB1542526 A GB 1542526A
Authority
GB
United Kingdom
Prior art keywords
altering
tungsten
light source
spectral distribution
halogen light
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
GB766351A
Other languages
English (en)
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB1542526A publication Critical patent/GB1542526A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/255—Details, e.g. use of specially adapted sources, lighting or optical systems

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Spectrometry And Color Measurement (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
GB766351A 1975-02-24 1976-02-18 Method and apparatus for altering the spectral distribution of a tungsten-halogen light source Expired GB1542526A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI750516A FI750516A7 (cs) 1975-02-24 1975-02-24

Publications (1)

Publication Number Publication Date
GB1542526A true GB1542526A (en) 1979-03-21

Family

ID=8509001

Family Applications (1)

Application Number Title Priority Date Filing Date
GB766351A Expired GB1542526A (en) 1975-02-24 1976-02-18 Method and apparatus for altering the spectral distribution of a tungsten-halogen light source

Country Status (8)

Country Link
JP (1) JPS51135583A (cs)
DD (1) DD122855A5 (cs)
DE (1) DE2606187A1 (cs)
FI (1) FI750516A7 (cs)
FR (1) FR2301811A1 (cs)
GB (1) GB1542526A (cs)
NL (1) NL7601788A (cs)
SE (1) SE7601559L (cs)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4382656A (en) * 1980-11-12 1983-05-10 The Foxboro Company Non-imaging optical energy transfer system

Also Published As

Publication number Publication date
DE2606187A1 (de) 1976-09-02
SE7601559L (sv) 1976-08-25
FI750516A7 (cs) 1975-02-24
FR2301811B1 (cs) 1983-01-07
DD122855A5 (de) 1976-11-05
NL7601788A (nl) 1976-08-26
FR2301811A1 (fr) 1976-09-17
JPS51135583A (en) 1976-11-24

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee