发明名称 |
APPARATUS FOR ENHANCING VISUAL PERCEPTION OF SELECTED OBJECTS IN RECREATIONAL AND SPORTING ACTIVITIES |
摘要 |
To enhance perception of a yellow tennis ball (706) while playing or watchin g 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.</SDOAB > |
申请公布号 |
CA2273166(C) |
申请公布日期 |
2007.01.23 |
申请号 |
CA19962273166 |
申请日期 |
1996.12.12 |
申请人 |
MOORE, J. PAUL;KERNS, DAVID V., JR. |
发明人 |
MOORE, J. PAUL;KERNS, DAVID V., JR. |
分类号 |
G02C7/02;G02C7/10;G02B5/22 |
主分类号 |
G02C7/02 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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