A siphon for transferring fluid from a container to either another container at lower elevation or to a disposal area. The siphon includes a tube having an improved one way check valve which valve is inserted into the first container and, by merely shaking the tube up and down, fluid flows by gravity into the second container or disposal area. The valve includes a valve housing having a throughbore with one end of the housing coupled to the tube and the other end mating with an internal movable ...

A system and method for utilizing a graphic equalizer in performing image search procedures includes a histogram calculator for creating sets of histograms that represent corresponding images. A graphic equalizer is configured to select weighting parameters for performing the image search procedure. A feature detector calculates distance measures between histogram comparison pairs of a query image and subject images. The feature detector applies the weighting parameters to the distance measures ...