Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Polarizer device










Image Number 7 for United States Patent #5295009.

The polarizer comprises a layer of cholesteric liquid crystal with Grandjean structure disposed in the path of the light and in which the light in a given wavelength range is reflected with selective and circular polarization or is transmitted with reversed direction of rotation, and a mirror which reversed the direction of rotation of the circular-polarized light. The component reflected by the mirror is also transmitted. If the liquid crystal layer is concentric with the source of natural light and the mirror is spherical, the result is a source of circular polarized light. A projection system is obtained by a combination of two of the aforementioned polarizers, one serving as a polarizer and one as an analyzer, and an interposed liquid crystal display cell for modulating the intensity of the polarized light.








 
 
  Recently Added Patents
Secure Flash-based memory system with fast wipe feature
Grip for a racket
Sampling switch circuit that uses correlated level shifting
Tag-based apparatus and methods for neural networks
Methods of diagnosing a plasmodium infection
Traffic flow analysis mitigation using a cover signal
Semiconductor devices having multi-width isolation layer structures
  Randomly Featured Patents
Apparatus and method for orienting an optical waveguide in relation to an optical unit of an optical module
Shoe upper
Motion desktop
Late lean injection with expanded fuel flexibility
Challenged-based tag authentication model
Exhaust manifold for internal combustion engine
Stringed instrument having improved neck
Method of making programmable read-only memory
Facsimile signal reception system
Polymerization process and associated apparatus