Apparatus for enhancing visual perception of selected...

Details Apparatus for enhancing visual perception of selected... Apparatus for enhancing visual perception of selected...

G - Physics

02

C

G02C 7/02 (2006.01) G02B 5/22 (2006.01) G02C 7/10 (2006.01)

Patent

CA 2273166

To enhance perception of a yellow tennis ball (706) while playing or watching a tennis game, the game is viewed through an optical filter mounted between the participant (704) or spectator (708) and the ball (706). The optical filter has predetermined transmittance having a pronounced peak centered substantially around 500 to 600 Nanometers that passes a high percentage of incident light reflected and fluoresced by the tennis ball (706), but passes a substantially lower percentage of light in the remaining portion of the visible spectrum.

En vue d'améliorer la perception d'une balle de tennis (706) jaune au cours d'une partie de tennis jouée ou regardée, on visionne la partie à travers un filtre optique monté entre le participant (704) ou le spectateur (708) et la balle (706). Ce filtre optique présente un facteur de transmission préétabli comportant un pic prononcé sensiblement centré à environ 500 à 600 nanomètres, qui permet de laisser passer un pourcentage élevé de lumière incidente réfléchie et rendue fluorescente par la balle de tennis (706), mais ne laisse passer qu'un pourcentage sensiblement inférieur de lumière dans la partie restante du spectre visible.

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