Abstract: A portable table apparatus with an upper table top, a centrally located post opening, a lower table top including a centrally located post opening and being positioned below the upper table top, a pole having a distal end for penetrating a substrate and an opposite end for passing through the centrally located pole opening in the upper table top and the centrally located pole opening in the lower table top, and a curtain removably positioned around the outer edge of the upper table top.

Abstract: A structured document file which includes graphical and non graphical information. The graphical information includes the vector and coordinate description of a representation of at least one three dimensional object and at least one of the following group of view attributes or features: rotation, translation, view angle, lighting, colors, specific graphical representations, labels and parameters. The vector and coordinate description are stored with or independently from the one or more view attributes or features and the vector and coordinate description and the one or more view attributes are stored in a single file which can be accessed and viewed by a structured document viewer. Related authoring tools and viewers are also disclosed.

Abstract: A contaminant extraction apparatus, systems and method for extracting contaminants, such as particles and polar molecules, from an air flow containing a contaminated gas such as air so that the contaminants are expelled from the embodiments after they are extracted. One method includes the steps of generating two electric fields in separate air flow channels separated by an extraction grid with the second electric field having a greater potential difference than the first electric field; generating a first air flow through the first air flow channel and a second air flow through a second air flow channel; dispensing charged liquid droplets into the first air flow using at least one charged droplet generator; allowing the droplets to transfer charge to those contaminants; and expelling the contaminants into the second air flow using the potential difference in the second electric field.

Abstract: Apparatuses, systems and methods for generating, dispersing and delivering chemical compounds utilizing desorption electrospray ionization. Embodiments include an airflow channel into which an airflow is directed, a solvent reservoir containing a volume of solvent, at least one charged droplet source for producing a plurality of charged liquid droplets in the channel, and at least one grounded counter electrode positioned within the channel with the electrodes having at least one surface containing one or more chemical compounds that include releasable ions. In operation, the charged droplets are directed onto the surface or surfaces so that the impact of the charged particles on said surface produces gaseous ions of at least one chemical compound on said surface, after which the gaseous ions are dispersed into the airflow.

Abstract: An improved system for removing particles and contaminants from an air flow attract particles and contaminants to a plurality of charged spray droplets. The system has a first channel with an inlet and an outlet into which a first air flow is directed, an air flow containing a plurality of contaminants, a solvent reservoir containing a volume of solvent, one or more charged droplet sources for producing a plurality of charged liquid droplets, a second channel with an inlet and an outlet into which a second air flow is directed, one or more voltage reduction electrodes positioned about at least one of said electrospray sources, a grounded counter electrode, and at least one grid positioned between the plane of the charged droplet source and the grounded counter electrode. The voltage between the grid electrode and the charged droplet source is sufficient to sustain an electrospray process.

Abstract: A device and method to detect force and provide feedback to a runner or jogger so that the person can judge whether to adjust his or her stride in order to lessen the impact on his or her body. The device includes a housing, a power supply, a piezo sensor, a controller, and an output generator. The piezo sensor is accommodated within a user's shoe and is connected to the controller, and the controller, output generator and power supply are accommodated within the housing. The controller is connected to the output generator so that it is set to generate a signal to the output generator when a threshold level of force signal is received from the piezo sensor. The sensor signals the controller when force from an impact is applied to the piezo sensor and the controller signals the output generator when one or more signals indicating threshold levels of force have been reached, and the output generator generates a perceivable signal in response to the controller's one or more signals.

Abstract: A portable toilet apparatus in a form of collapsible, folding chair including a planar square platform with an opening formed in the central portion thereof a removable receptacle with an upper and lower ring which is accommodated in the opening, two or more elongating telescoping poles attached to the back of the chair, each telescoping pole has a locking clip to secure the pole in an extended orientation, a collapsible planar frame attached to the top of the telescoping poles, and a foldable canopy supported by the frame. The canopy is unfolded into a top planar surface and a back planar surface when the chair is opened. A removable folding privacy screen attached to the canopy. When the screen is unfolded the screen forms a generally rectangular planar surface having a plurality of outer planar surfaces opposite a plurality of inner planar surfaces covering an area including the front and two sides of the chair.