Showing papers by "Edwin H Land published in 1937"
Patent•
20 Nov 1937TL;DR: In this article, a new and improved optical system employing polarized light was proposed, which has for its object the provision of means to so polarize light emanating from a source that a considerable percentage, for example substantially more than fifty percent, of the light traversing the means of the system can be avoided.
Abstract: This invention relates to a new and improved optical system employing polarized light. It has for its object the provision of means to so polarize light emanating from a source that a considerable percentage, for example substantially more than fifty percent, of the light traversing the means...
17 citations
Patent•
04 Dec 1937TL;DR: In this paper, Land, Wellesley Farms, and Cutler D. West, Cambridge, Mass., assignors, by mesne assignments, to Polaroid Corporation, Dover, Del., a corporation of Delaware No Drawing.
Abstract: UNITED tIAIt rAIrtCN ouvICE 2,289,712 PROCESS FOR THE MANUFACTURE OF POLARIZING MATERIALS Edwin H. Land, Wellesley Farms, and Cutler D. West, Cambridge, Mass., assignors, by mesne assignments, to Polaroid Corporation, Dover, Del., a corporation of Delaware No Drawing. Application December...
9 citations
Patent•
08 Dec 1937TL;DR: In this article, a traffic signal is defined as a light sign which is to be used in sunlight or in the presence of other light sources, and it is an object of the invention to provide a device of the character of the traffic signal.
Abstract: 8 Claims. (CI. 1I This invention relates to a lightsignal such as th a traffic signal, and more specifically to a light th signal which is to be used in sunlight or in the par presence of other light sources. b In general it is an object of the invention to provide a device of the character...
5 citations
Patent•
10 Dec 1937TL;DR: In this paper, a new and improved process for the manufacture of light-polarizing materials is described, which is based on the character described wherein orientable light polarizing crystals, for example asymmetric crystals of herapathite or other lightpolarising materials, are manufactured.
Abstract: This invention relates to a new and improved process for the manufacture of light-polarizing materials. An object of the invention is to provide a process of the character described wherein orientable light-polarizing crystals, for example asymmetric crystals of herapathite or other lightpolarizing...
5 citations
4 citations