University of Sussex; Ripley, Lionel G (2005) Anomaloscope. PCT/GB2005/000528.

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Abstract

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).

Item Type:	Patent
Schools and Departments:	School of Engineering and Informatics > Engineering and Design
Depositing User:	Lionel Ripley
Date Deposited:	06 Feb 2012 20:48
Last Modified:	25 Jul 2012 07:48
URI:	http://sro.sussex.ac.uk/id/eprint/28181

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