1
Frederick G Hewitt, Steven J Orfield: Methods for assessing visual tasks to establish desirable lighting and viewing conditions for performance of tasks, apparatus; and, applications. Orfield Laboratories Incorporated, Merchant & Gould P C, July 9, 2002: US06417919 (8 worldwide citation)

A method of establishing a lighting system and viewing environment for conduct of visual task is provided. The method generally includes steps of providing a visual performance lab, conducting a visual performance study, and constructing an industrial viewing station based upon the results of the vi ...


2
Frederick G Hewitt, Steven J Orfield: Methods for assessing visual tasks to establish desirable lighting and viewing conditions for performance of tasks; apparatus; and, applications. Orfield Laboratories Incorporated, Scott W Merchant & Gould P C Johnston, November 14, 2000: US06147752 (2 worldwide citation)

A method of establishing a lighting system and viewing environment for conduct of visual task is provided. The method generally includes steps of providing a visual performance lab, conducting a visual performance study, and constructing an industrial viewing station based upon the results of the vi ...