Abstract: A modular, portable framing table apparatus for facilitating the construction of wood framed structures is disclosed herein. The apparatus comprises at least one subassembly. Each subassembly comprises a pair of parallel, longitudinally extending, and transversely, adjustably separated, rectangular shaped bench modules having a plurality of wood framing member location and retention means positioned in defined relationships with each other. Each subassembly also comprises at least two leg modules to support the bench modules when the apparatus is assembled, and at least two divider modules. The divider modules further comprise attachment/alignment means for precisely joining the divider modules to the leg modules into an assembled apparatus in such a fashion that the assembled apparatus is both rigid and square.

Abstract: This invention relates to the presentation of sound where it is desirable for the listener to perceive one or more sounds as coming from specified three-dimensional spatial locations. In particular, this invention provides economical means of presenting three dimensional binaural audio signals with adjustment of spatial positioning parameters in real time.

Abstract: In a paint mixing apparatus, a paint can carrying bail retaining device, said device comprising a retaining ring that is movably attached to a blending bucket, said bucket having a diameter selected such that a paint can easily be inserted therein for the mixing or blending operation. The retaining ring has a radius slightly larger than the radius of the mixing bucket plus the thickness of the paint can carrying bail. The retaining ring has a loading/unloading and a retaining position. When the ring is displaced from its retaining position, which is corresponds to its normal position, into its loading/unloading position, sufficient clearance is created to allow the bail to swing freely into a mixing position, where it rests along the outside of the mixing bucket. When the ring is returned to its retaining position, the bail is secured in the mixing position as a result of a lack of sufficient clearance to allow the bail to swing away from its position along the outside of the mixing bucket.