File(s) not publicly available
standardposted on 2023-06-08, 07:51 authored by Lionel Ripley
An anomaloscope (1) comprises two light sources that can be viewed side-by-side. The first light source is a referente white light source (6) which is made up of a blue LED which excites a yellow phosphor on its cover and a green LED, which when viewed together present a white light. The second light source is a comparison light source (7) which comprises a blue LED and a yellow LED. A subject-adjustable mixture control (8) is provided for adjusting the proportions of yellow and blue light in the comparison mixed light source (7) to allow a subject to try to match the comparison mixed light source (7) to the referente white light source (6).
Department affiliated with
- Engineering and Design Publications
Full text available