Resources Contact Us Home
Shading device of the LCD projecting plate

Image Number 4 for United States Patent #5227820.

A shading device of LCD projecting plate has a pair of shading board being capable of being adjusted to shade the rest projecting areas which are uncovered by the plate and to project the drawing or letters on the optical glass to a wall or a screen clearly whenever used with any projectors.

  Recently Added Patents
Adapter plate for use in mounting an audio/visual device or the like to a surface
Power collecting device, power measuring device, and power collecting method
Semiconductor apparatus
FET device having ultra-low on-resistance and low gate charge
Systems and methods for building axes, co-axes and paleo-geographic coordinates related to a stratified geological volume
Image processing apparatus, image display apparatus, and image processing method
Processing data using information embedded in a data request
  Randomly Featured Patents
Plastic cradle
Heteroaryl urea neuropeptide Y Y5 receptor antagonists
Reliability evaluation test apparatus, reliability evaluation test system, contactor, and reliability evaluation test method
Data transfer and control among multiple computer devices in a gaming environment
Frequency synchronization device for LCD lamps
Depth of field control device
Cut-and-close device for pressure pipes in production and supply installations
Landing adapter for soft landing a tubing hanger in the bore of a production tree or wellhead housing
Method of producing magnetic head core having magnetic gap and narrow track
Haloisoquinoline carboxamide