Abstract: A circuit with a magnetically variable inductor that is placed in close proximity to an independently wound control coil and connected in parallel to a current transformer having primary and secondary windings wound on a magnetic core wherein the transformer core with associated windings. The inductor core is placed within the bore of the control coil and an optional focusing armature concentrates the magnetic field at the poles. Application of a control current forms poles at the control coil extremities and causes a change in magnetic properties of the inductor core thereby altering the power output of the current transformer inversely to the magnitude of the control current. The control current from the output of the secondary coil of a current transformer in series with the load and conditioned by a feedback conditioning circuit modulates the level of the control current. The magnetically variable inductor controls a D.C. to A.C.

Abstract: The present invention is for a triangular cross section symmetrical engine exhaust muffler for an internal combustion engine. Its internal design provides baffles symmetrically disposed about a plane centrally located equidistant from the ends of a tube having a triangular cross section. The design has three baffles spaced to minimize backpressure but angled to enhance acoustic reflections within the chamber formed by the tube having a triangular cross section, baffles, and the affixed endplates including the inlet/exhaust ports. These acoustic reflections serve to modify the sound emanating from the exhaust manifold or manifolds of the internal combustion engine. The muffler chamber also serves to smooth out the pulsating gas flow emanating from the engine as a result of the combustion cycle.

Abstract: A lighting fixture having a main housing to which is attached a moveable reflector assembly. The fluorescent lamps are affixed to the main housing and the moveable reflector assembly is adjusted to a position close to the fluorescent lamps to achieve a narrow illumination field. Adjusting the position of the moveable reflector assembly away from the fluorescent lamps achieves a wide illumination field. The reflector is designed as a near parabolic like shape and may be configured as a single fluorescent lamp cavity, or a multiple lamp cavity wherein the parabolic like shapes for each fluorescent lamp intersect to provide a uniform illumination light field and highly efficient light output while minimizing the lighting fixture width.

Abstract: A circuit with a magnetically variable transformer having primary and secondary windings wound on a magnetic core wherein the transformer core with associated windings is placed in close proximity to an independently wound control coil. The transformer core is placed within the bore of the control coil and an optional focusing armature concentrates the magnetic field at the poles. Application of a control current forms poles at the control coil extremities and causes a change in permeability of the transformer core thereby altering the power output of the transformer inversely to the magnitude of the control current. The control current from the output of the secondary coil of a current transformer in series with the load and conditioned by a feedback conditioning circuit modulates the level of the control current. The magnetically variable transformer controls a D.C. to A.C. inverter circuit, which is useful in supplying power to a fluorescent lamp and other A.C. receptive loads.

Abstract: A cable guide for containing and routing cables through building. One version of the guide includes a rigid hollow tube with a slot, flared ends, and mounting hangers while a second embodiment encompasses a tube axially split in two sections. The tube has a bend that traverses any angle necessary for a particular application, typically between 0° and 180°. There may be more than one bend. The cable is inserted and removed from the guide through the straight or helical slot, which extends the full length of the tube or by separating the clamshell. The tube ends are flared. Each end optionally has a cable retaining annular groove for a cable tie or the like. An additional embodiment has a hinged flap to perform the same function. The hangers are tabs that extend from the tube and spaced out along the length of the tube or a bracket like structure which provides a means for attachment.

Abstract: A counterfeit detection device that is useful for optically examining the security features of currency to determine its authenticity. The apparatus places the currency at the object plane of a magnifying lens suitable for enlarging the image of the microprinting as well as examining other fine features of the bill. In one embodiment, the device consists of a rear illuminating light source a bill positioning slot a magnifying lens, and an environmental light shade. Further embodiments include a capability of front illumination to detect the color shifting ink, an ultraviolet light source causal to viewing the phosphorescent glow of the polyester thread with its identifying color. And finally, a version with a swing-away lens to view the watermark unmagnified.

Abstract: An AC Power and Frequency Apparatus useful for supplying power to an AC receptive load. Said apparatus facilitates said power and frequency control without first converting the AC input to DC and then subsequently converting said DC signal to AC. The elimination of the DC conversion stage beneficially improves the performance of the apparatus in terms of lower Total Harmonic Distortion and higher Power Factor. Additionally, the reliability of the device is significantly enhanced by elimination of the DC storage capacitor common to prior art utilizing a DC conversion stage. The present invention is particularly useful in controlling power delivered to gas discharge lamps and the like. The device accomplishes the AC power control by switching at least one energy storage inductor with an electronically controlled switch.

Abstract: A magnetically variable transformer having primary and secondary windings wound on a magnetic core wherein the transformer core with associated windings is placed in close proximity to an independently wound control coil. The control coil is positioned in one configuration on a focusing armature whose poles straddle the transformer core at positions on opposing sides. In a second configuration the transformer core is placed within the bore of the control coil and an optional focusing armature concentrates the magnetic field at the poles. Application of a control current forms poles at the control coil extremities and causes a change in permeability of the transformer core thereby altering the power output of the transformer inversely to the magnitude of the control current. The magnetically variable transformer controls a D.C. to A.C. inverter circuit which is useful in supplying power to a fluorescent lamp and other A.C. receptive loads. Additionally, a derived D.C.

Abstract: A system of light weight, high strength, thin masonry panels having one or more mateable seam hiding edges. The seam hiding edge may be serpentine or some other shape consistent with the masonry element chosen for the panel surface. The aforementioned thin masonry panels are used to construct patio or walkway surfaces as well as provide a decorative facing for walls, fireplaces, and the like. The thickness of the panels is limited to the range of 1 to 2 inches in order to assure a light weight for ease of construction. Each panel is a reinforced series of masonry elements such as stone or brick pavers bound together by a cement or mortar-like material. The claimed invention also includes an attachment plate for affixing the panels to other surfaces and structures.

Abstract: A wheelchair having a set of features which facilitate transfering a patient to an alternative surface and raising the chair to an alternative seating height. The first of these features enables each of the handwheels to be independently pivoted rearward by raising its related arm rest. The motion of the wheel is over centering and its rearward position is determined by a brake pad which engages its respective handwheel. The rearward position of the handwheel is such as to clear the rear of the seat. The forward position is determined with the arm rest in the normal down position and latched to the frame. The second feature is a lifting mechanism for raising the patient to the level of an alternative surface such as a bed. The third feature has the seat surface fabricated from a moveable belt which laterally transports the patient to the alternative surface. The wheelchair also has an embodiment which allows folding for easy transport.

Abstract: A paper cutting device of an electronic printer which derives its motive power from the drive source operating the paper feed mechanism of the printer. The paper feed mechanism has a one-way clutch coupled to the paper feed drive shaft which locks on to the shaft when feeding print media in the forward direction and over runs when the paper feed drive source rotates opposed to the print media driving direction. A second one-way clutch is coupled to the cutter drive shaft and positively engages the cutter mechanism when the paper feed drive is operated in the reverse non-feeding direction. It over runs when print media is being fed. The cutting mechanism is driven through its one-way clutch to a couple eccentric crank. The crank pushes a linear guided cutter blade by means of an articulated link which engages the blade. The paper is registered against the front edge of a slot in the blade guide and the blade is forced through the restrained media.

Abstract: An adjustable and configurable exercise machine having a base sitting on the floor to which is pivotally attached an adjustable seat mechanism. Attached to the seat mechanism at a point located between the pivotally attached end and the seat is an arm actuated handle. Near the pivot is an adjustable pivot point to which is attached an adjustable control link. The purpose of the adjustable pivot point is to change the leverage ratio and the purpose of the adjustable control link is to change the position of the handle relative to the user. The second end of the adjustable control link is attached to a vertical upright member of the base frame assembly. A counter force capability is provided to counter the weight of the user. The user in a first use sits on the seat astride the machine with the feet on the foot rests and pulls with the arms and pushes with the feet. In a second use the pivot pin attaching the adjustable control link to the seat mechanism is removed and the handle is rotated against the seat.