FR2263505A1 - Glass UV absorbency testing device - has UV source, filter, thermal screen and screen fluorescent under UV - Google Patents

Glass UV absorbency testing device - has UV source, filter, thermal screen and screen fluorescent under UV

Info

Publication number
FR2263505A1
FR2263505A1 FR7407669A FR7407669A FR2263505A1 FR 2263505 A1 FR2263505 A1 FR 2263505A1 FR 7407669 A FR7407669 A FR 7407669A FR 7407669 A FR7407669 A FR 7407669A FR 2263505 A1 FR2263505 A1 FR 2263505A1
Authority
FR
France
Prior art keywords
screen
glass
ultra violet
filter
thermal
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.)
Granted
Application number
FR7407669A
Other languages
French (fr)
Other versions
FR2263505B3 (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.)
LOING VERRERIES
Original Assignee
LOING VERRERIES
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 LOING VERRERIES filed Critical LOING VERRERIES
Priority to FR7407669A priority Critical patent/FR2263505A1/en
Publication of FR2263505A1 publication Critical patent/FR2263505A1/en
Application granted granted Critical
Publication of FR2263505B3 publication Critical patent/FR2263505B3/fr
Granted 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
    • G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
    • G01N21/33—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using ultraviolet light

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)
  • Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)

Abstract

A mercury vapour lamp (1) comprising an ultra violet light source is placed behind a window (2) containing a neutral glass to form a thermal screen. An interference filter (3) with a response in the ultra violet region is mounted after the thermal screen. A screen (4) fluorescent to ultra violet light is mounted obliquely in the instrument box and cuts the ultra violet rays emitted by the lamp. A support (10) in front of the screen holds the glass (9) under test. The effects are observed through the box cover (7). Cooling of the lamp and its coil (5) is provided by a fan (6).
FR7407669A 1974-03-06 1974-03-06 Glass UV absorbency testing device - has UV source, filter, thermal screen and screen fluorescent under UV Granted FR2263505A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7407669A FR2263505A1 (en) 1974-03-06 1974-03-06 Glass UV absorbency testing device - has UV source, filter, thermal screen and screen fluorescent under UV

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7407669A FR2263505A1 (en) 1974-03-06 1974-03-06 Glass UV absorbency testing device - has UV source, filter, thermal screen and screen fluorescent under UV

Publications (2)

Publication Number Publication Date
FR2263505A1 true FR2263505A1 (en) 1975-10-03
FR2263505B3 FR2263505B3 (en) 1976-12-17

Family

ID=9135937

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7407669A Granted FR2263505A1 (en) 1974-03-06 1974-03-06 Glass UV absorbency testing device - has UV source, filter, thermal screen and screen fluorescent under UV

Country Status (1)

Country Link
FR (1) FR2263505A1 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0094440A1 (en) * 1982-05-13 1983-11-23 Firma Carl Zeiss Device for the quick demonstration of the efficiency of phototropic objects
CN102353656A (en) * 2011-09-14 2012-02-15 东华大学 Method for detecting glass with different thicknesses to filter ultraviolet rays through sunlight-ultraviolet spectrum
FR2966594A1 (en) * 2010-10-25 2012-04-27 Dietal Sa Device for exposition of photochromic spectacles to artificial and UV light source in e.g. shop, has translucent case on lateral faces for ensuring direct visualization of operation and result obtained by device
US20230005389A1 (en) * 2019-05-14 2023-01-05 Johnson & Johnson Vision Care, Inc. Light-sensitive photochromic contact lens demonstration devices and related methods

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0094440A1 (en) * 1982-05-13 1983-11-23 Firma Carl Zeiss Device for the quick demonstration of the efficiency of phototropic objects
FR2966594A1 (en) * 2010-10-25 2012-04-27 Dietal Sa Device for exposition of photochromic spectacles to artificial and UV light source in e.g. shop, has translucent case on lateral faces for ensuring direct visualization of operation and result obtained by device
CN102353656A (en) * 2011-09-14 2012-02-15 东华大学 Method for detecting glass with different thicknesses to filter ultraviolet rays through sunlight-ultraviolet spectrum
US20230005389A1 (en) * 2019-05-14 2023-01-05 Johnson & Johnson Vision Care, Inc. Light-sensitive photochromic contact lens demonstration devices and related methods

Also Published As

Publication number Publication date
FR2263505B3 (en) 1976-12-17

Similar Documents

Publication Publication Date Title
ES420593A1 (en) Lighting fixture lens
IL50254A0 (en) Electrodeless fluorescent lamp and method for light generation thereby
IL54281A (en) Incandescent light source with transparent heat mirror
GB2018968B (en) Diagnostic lamp
MX145141A (en) ENHANCEMENTS IN PORTABLE LAMP WITH LIGHT SOURCE OF GAS XENON
SE413262B (en) DEVICE INCLUDING LAMP, LIGHT LIGHT ALSTRAR OZONE
FR2263505A1 (en) Glass UV absorbency testing device - has UV source, filter, thermal screen and screen fluorescent under UV
JPS539081A (en) Light conditioning device for gas discharge lamp
US2337877A (en) Apparatus for inspecting glass
FR2286344A1 (en) Decorative lamp dispensing insecticide or making noise - passes light to reflective crystals on ends of rods
JPS51131375A (en) Filter photometer for ultraviolet rays
JPS5215032A (en) Light device for car
JPS5477069A (en) Mask inspecting method
JPS5227650A (en) Optical device for removing local change of illumination in light source
GB562792A (en) Apparatus for electrically testing hermetically sealed envelopes
JPS5381287A (en) Photoluminescence measuring device
ES161750U (en) Cinematographic projector. (Machine-translation by Google Translate, not legally binding)
GB542211A (en) Improvements in or relating to optical projection apparatus
GB360339A (en) Improvements in or relating to electric lamps
GB2007825A (en) Ultra-violet sun lamp
JPS5377574A (en) Photometer with discharge lamp as light source
FR2300351A1 (en) Viewer unit for film slide - is fitted with internal light source illuminating reflective surface directing light onto slide
JPS5337377A (en) Exposure device for fluorescent surface formation of color receiving tube
ES24473U (en) Porta-portraits with illuminated interior photography (Machine-translation by Google Translate, not legally binding)
ATA314077A (en) INTERIOR LIGHT FOR FLUORESCENT LAMPS

Legal Events

Date Code Title Description
ST Notification of lapse