Resources Contact Us Home
Sun compass

Image Number 7 for United States Patent #4028813.

A sun compass comprises a base, including a transparent hemisphere, a body movable within the base, and a plate including a dial face movable upon the body. Actuating members are connected to the plate and body for selectively moving the plate relative to the body and moving the body relative to the hemisphere. The actuating members are accessible externally of the hemisphere and include rotatable knobs having scales associated therewith for indicating the amount of movement of the plate and body. A transparent hemispherical top is mounted over the base hemisphere.

  Recently Added Patents
Process for preparing MDA via the stage of the aminal
Apparatus and method of managing radio bearer in wireless communication system
Display panel and gate driving circuit and driving method for gate driving circuit
Timing controller capable of removing surge signal and display apparatus including the same
Organic light emitting device connection methods
System for controlled release of an active principle and method for preparation
Factor IXa crystals, related complexes and methods
  Randomly Featured Patents
System and method for instant consolidation, enrichment, delegation and reporting in a multidimensional database
Integrated high throughput system for the analysis of biomolecules
Method of expression cloning
Method for the preparation of textured soybean draff
Device for the quick inhalation of drugs in powder form by humans suffering from asthma
Radio communication apparatus and error detecting encoding method
Crystalline form of .gamma.-aminobutyric acid analog
Split blade radial fan
Front panel for a general electronic device
Steam brush for a garment steamer