FR792615A - Device comprising an ultra-violet light source and a filter - Google Patents

Device comprising an ultra-violet light source and a filter

Info

Publication number
FR792615A
FR792615A FR792615DA FR792615A FR 792615 A FR792615 A FR 792615A FR 792615D A FR792615D A FR 792615DA FR 792615 A FR792615 A FR 792615A
Authority
FR
France
Prior art keywords
ultra
filter
light source
violet light
violet
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken 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 Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of FR792615A publication Critical patent/FR792615A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/38—Devices for influencing the colour or wavelength of the light
    • H01J61/40—Devices for influencing the colour or wavelength of the light by light filters; by coloured coatings in or on the envelope
FR792615D 1934-08-28 1935-07-19 Device comprising an ultra-violet light source and a filter Expired FR792615A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL792615X 1934-08-28

Publications (1)

Publication Number Publication Date
FR792615A true FR792615A (en) 1936-01-07

Family

ID=19834452

Family Applications (1)

Application Number Title Priority Date Filing Date
FR792615D Expired FR792615A (en) 1934-08-28 1935-07-19 Device comprising an ultra-violet light source and a filter

Country Status (1)

Country Link
FR (1) FR792615A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0464703A2 (en) * 1990-06-28 1992-01-08 Ebara Corporation Filter for a low-pressure mercury vapor lamp
US5262902A (en) * 1990-06-28 1993-11-16 Ebara Corporation Filter for a low-pressure mercury vapor lamp
EP0694954A3 (en) * 1994-06-01 1997-11-26 Auergesellschaft Gmbh Ultraviolet lamp for detecting photoionization

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0464703A2 (en) * 1990-06-28 1992-01-08 Ebara Corporation Filter for a low-pressure mercury vapor lamp
EP0464703A3 (en) * 1990-06-28 1992-10-28 Ebara Corporation Filter for a low-pressure mercury vapor lamp
US5262902A (en) * 1990-06-28 1993-11-16 Ebara Corporation Filter for a low-pressure mercury vapor lamp
EP0694954A3 (en) * 1994-06-01 1997-11-26 Auergesellschaft Gmbh Ultraviolet lamp for detecting photoionization

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