Abstract: A handle to grip a broadhead arrow head enabling the handle and arrow head combination to form a knife suitable for hunting purposes. The handle includes a release button, a wrench, and a first and a second cavity. The first cavity accepts a shaft on the rear of the broadhead to aid in connecting the broadhead and handle. The release button activates a grip mechanism which locks the broadhead in the handle, while the wrench serves to aid in loosening or tightening the broadhead to the arrow shaft. The second cavity houses a sharpening guide which attaches to the handle and guides a sharpening rod at the correct angle to sharpen the broadhead.

Abstract: A power splitter that has a small package size and low cross-talk noise. The power splitter includes a low temperature co-fired ceramic (LTTC) substrate with several layers. Electrical components such as transmission lines and resistors are integrated onto and within the LTCC substrate. The power splitter provides impedance matching and dividing functions. The LTCC substrate has counter rotating spiral shaped circuit lines and electrically conductive vias extending therethrough. The vias are used to connect the power splitter to an external printed circuit board. The vias are also used to make electrical connections between the layers of the LTCC substrate. The counter rotating circuit lines allow the power splitter to have a small package size and low cross-talk noise.

Abstract: A power splitter that has a small package size and repeatable electrical characteristics. The power splitter includes a low temperature co-fired ceramic (LTTC) substrate with several layers. Electrical components such as resistors, capacitors and ground planes are integrated within the LTTC substrate. A binocular core transformer is attached to the upper surface of the LTTC substrate and is electrically connected to the resistors, capacitors and ground plane. The transformer provides impedance matching and dividing functions. The LTTC substrate has electrically conductive vias extending through the layers. The vias are used to connect the power splitter to terminals on outer surfaces of the substrate and to make electrical connections between the layers of the LTTC substrate. The power splitter circuit requires only one transformer.

Abstract: A double balanced mixer for mixing an RF input signal with a local oscillator signal to provide at an output an intermediate frequency signal with a high third order intercept point. A first and second local oscillator balun receives a local oscillator signal. A first and second RF balun receives a RF signal. A first mixer is coupled to the first local oscillator balun and the first RF balun. A second mixer is coupled in parallel with the first mixer. The second mixer is coupled to the second local oscillator balun and the second RF balun. The parallel coupled mixers provide an intermediate frequency signal. A first intermediate frequency balun is coupled to the first mixer and a second intermediate frequency balun is coupled to the second mixer. The mixer also has increased isolation.

Abstract: A package for containing an electronic circuit assembly. The package includes a housing having a bottom surface and walls extending upwardly from the bottom surface. The walls and the bottom surface define a cavity in the housing. The cavity holds the electronic circuit assembly. A post extends outwardly from the walls. The post is integrally formed with the housing. The post is connected to the wall on one end and a threaded annular sleeve portion is located at the other end. The threaded annular sleeve portion is adapted to receive a female connector portion. A bore passes through the post and the wall. The bore holds a feed through terminal. A cover is located over the cavity and is attached to the housing.

Abstract: A directional coupler that has a small package size and repeatable electrical characteristics. The directional coupler includes a low temperature co-fired ceramic (LTCC) substrate with several layers. Electrical components such as resistors and capacitors are integrated within the LTCC substrate. A transformer is attached to the upper surface of the LTCC substrate and is electrically connected to the resistors and capacitors. The LTCC substrate has electrically conductive vias extending therethrough. The vias are used to make electrical connections between the layers of the LTCC substrate.

Abstract: A vacuum surge suppressor for swimming pool safety valves. These valves normally sense and then instantly relieve excessively high vacuum levels in the pool's drain line. Such high vacuum levels occur when an individual becomes trapped by the suction at the pool's drain port which is connected to the drain line. The valve relieves the high vacuum level in the pool's drain line and the suction at the drain port by bleeding air into the pool's drain line, causing the pump connected to the drain line to lose prime. However, the safety function and indeed the entire function of the pool's drain system can be disabled by a short duration vacuum surge which occurs when the pump starts. The present invention suppresses the surge before it reaches the safety valve, thereby permitting the pool and the valve to function despite the presence of such short duration surges.

Abstract: A band pass hairpin filter that has improved pass band performance and low loss. The filter has a dielectric substrate. The dielectric substrate has a top and bottom surface. A hairpin resonator is mounted to the top surface. The resonator has an open end and a closed end. An input coupling element is located adjacent to and is communicated with the resonator. An output coupling element is located adjacent to and is communicated with the resonator. A first inductive element is connected to the resonator. A second inductive element is connected to the input coupling element. A third inductive element is connected to the output coupling element.

Abstract: A grout sealer applicator brush that carries with it a reservoir of grout sealer. The brush includes a handle with a broad concave upper surface used to support and cradle the reservoir. The grout sealer within the reservoir is conducted through a tube that dispenses the fluid directly on the bristles of the brush, ready for application to the grout. The reservoir is placed in proximity to the bristle to reduce the torque of the reservoir on the operator. Holding the reservoir in place is a handle, cradling arrangement that can accommodate different sized reservoirs. To reduce manufacturing costs, the brush and the tube are all formed simultaneously, typically of plastic, in a pressure molding process.

Abstract: A relay switching device for switching high frequency signals has high reliability and stable insertion loss. The switching device has a housing with a base and a case. The case has a bore and the base has a slot. An electromagnet is mounted in the case. A reed holder has a pair of ends. One end of the reed holder is mounted in the bore adjacent the electromagnet. A pair of terminals are mounted in the base and extend into the slot. A guide member is mounted in the slot. A conductive reed is mounted to the other end of the reed holder. The reed is supported by the guide member and extends over the terminals. The electromagnet moves the reed between an open and closed position. The guide member prevents rotation of the reed as it moves between the open and closed positions.

Abstract: A safety valve for swimming pools that senses and then instantly relieves excessively high vacuum levels in the pool's drain line. Such high vacuum levels occur when an individual becomes trapped by the suction at the pool's drain port which is connected to the drain line. The valve relieves the high vacuum level in the pool's drain line and the suction at the drain port by bleeding air into the pool's drain line, causing the pump connected to the drain line to lose prime. The valve is equipped with means for adjusting the vacuum level at which it actuates to accommodate varying vacuum levels found at different pools.

Abstract: A golf ball retrieval apparatus comprising a shaft containing a hollow portion with an opening to the hollow portion at one end of the shaft, and a first plug located in the hollow portion of the shaft capable of moving longitudinally within the hollow portion and having holes on a side facing the opening in the shaft. The retrieval apparatus further comprising a plurality of wires with a first end anchored in said holes in said first plug, and a second end with plastic sleeves attached, the second end of the wires being oriented in a conical array. The wires may be placed in a first position which exposes the wires outside the shaft by less than fifty percent of their length and also in a second position which exposes the wires by more than fifty percent of their length outside the shaft.

Abstract: An ear shield assembly which attaches to various headgear and protects the users ears against the sun and ultra violet rays, thereby reducing the probability of inducing cancer in this normally sensitive and exposed area. The head gear is typically a cap with the protective ear shield attachments positioned on opposite sides of the cap. These ear shields are placed above the ears and may be folded up against the cap and secured to the side of the cap with hood and loop material when they are not in use. When in use, these shields are lowered and extended outward horizontally from the brim of the cap, allowing air to reach the users ears, while at the same time blocking the sunlight from reaching the ears.