Abstract: Described are techniques used for automatic detection of malicious code by verifying that an application executes in accordance with a model defined using calls to a predetermined set of targets, such as external routines. A model is constructed using a static analysis of a binary form of the application, and is comprised of a list of calls to targets, their invocation and target locations, and possibly other call-related information. When the application is executed, dynamic analysis is used to intercept calls to targets and verify them against the model. The verification may involve comparing the invocation and target location, as well as other call-related information, available at the time of call interception to the corresponding information identified by static analysis. A failed verification determines that the application includes malicious code. As an option, once detected, the malicious code may be allowed to execute to gather information about its behavior.

Abstract: A pre-reformer (10) comprises a non-electrically conducting gas tight duct (12) and an electrically conducting wire (14) arranged in the duct (12). The electrically conducting wire (14) is electrically isolated from the duct (12). The duct (12) has an inlet (16) for receiving a hydrocarbon fuel at a first end (18) and an outlet (20) for supplying a pre-reformed hydrocarbon fuel at a second end (22). At least the inner surface (24) of the duct (12) is chemically inert with respect to the hydrocarbon fuel. An electrical power supply (26) is electrically connected to the electrically conducting wire (14) and a control means (28) controls the supply of electrical current through the electrically conducting wire (14) to maintain the electrically conducting wire (14) at a temperature to provide selective thermal decomposition of higher hydrocarbons in the hydrocarbon fuel. The performer reduces coking in associated fuel cells and other parts of a fuel cell system.

Abstract: An EMI shield for blocking and dissipating electromagnetic interference. The EMI shield includes a primary conductive member having a plurality of catches extending into a plurality of receptacles defined in an absorptive member so as to firmly connect the members. Advantageously, the absorptive member is sufficiently solid to be retained against the primary conductive member during normal use. In addition, the absorptive member is constructed of materials capable of withstanding a temperature range of 139° C. to 260° C. associated with most soldering operations. In this manner, the conductive and absorptive members can be attached prior to soldering of the EMI shield to electronic circuitry of a mobile station. The catches may have sharp edges allowing the absorptive member to be pressed onto the catches.

Abstract: A system and method for optimizing the process of position-determining to enhance performance of location-based mobile gaming applications. A position-determining module is provided that uses one or more of a number of position-determining methodologies to determine a player's real geographical position, which information is then used to influence the execution of the mobile-gaming application and, in a preferred embodiment, the method by which mobile-gaming data is transmitted to the player. The various position-determining methodologies may be used in isolation, with the game server determining which to use based on the particular application being executed, and on its execution state. They may also be used together and for greater accuracy combined according to a set of predefined criteria.

Abstract: A sharping device for shortening the length of a vibrating string on a lever harp is described. The device consists of an adjustable, freestanding fret in combination with a plastic, rotating blade sharping lever, which the harp player activates by the push of one finger. When rotated, the lever causes a vibrating string to be stopped against the fret. Both lever and fret are located along the neck of a harp so as to raise the frequency of a vibrating string by one semitone.

Abstract: A femoral prosthesis has load shoulders for transferring normal loading to the femur at the proximal end to reduce stress shielding. The femur is resected to provide a flat load shoulder perpendicular to the axis of the femur. The prosthesis has a mating load shoulder in its proximal section which lands on the load shoulders formed in the femur. The prosthesis has a stem that extends downward to a distal end. The intermediate portion of the stem between the distal end and the proximal end is reduced in diameter to add flexibility. The distal end is substantially the diameter of the bone cavity.

Abstract: Air handling system including a heat recovery means including blowers and dampers for controlling air flow and a desiccant wheel movable into and out of the air stream to selectively recover heat from exhaust air and transfer it to outside air. The air handlling system may also include an air conditioning system and an economizer inclulding dampers to control recirculated air and inlet and exhaust air.

Abstract: A round duct and apparatus and method of forming the duct in which the side edges of the duct are formed to interlock when the duct is folded and the flap is secured in place to provide support when the finishing duct tape is applied to seal the flap and complete the joint.

Abstract: A duct closure machine for closing duct board into duct with tape which can close duct having four or more sides. Duct board is moved through the machine by a single source of power driving upper and lower rollers with the lower set of rollers movable to accomodate duct of different size. The tape applicator is shiftable laterally to apply tape to duct of different number of sides such as ten sides. The tape applicator is controlled with a simple power circuit in which power to cut off the tape is only applied for a brief time as the completed duct passes through the machine.

Abstract: Apparatus and method of forming shiplap grooves (21, 23, 25, 26 and 28) in a duct board (12) utilizing a square (35) and measuring indicia (39). The apparatus comprises shiplap groove cutting tools (22) and (24) and an angle square (35) comprising a guide leg (37) and a base leg (36) having indicia (39) indicative of the desired dimensions for a resulting shiplap duct. The shiplap groove cutting tools have sleds (57, 67, 58 and 56) which are placed against the guide leg (37) to be guided by the same to produce shiplap grooves (23, 25 and 26). The length of the spacing between the grooves is equal to the indicated indicia (39) for the narrow sleds (57 and 68) or the indicated indicia plus the thickness of the board for the wide sleds.

Abstract: An inside blowout preventer for use in an earth boring drill string has features to reduce erosion. The blowout preventer has a valve body for connection into the drill string with a longitudinal passage extending through the body. The ball seat is located in the longitudinal passage. A ball storage location is located below the seat, and offset from the longitudinal passage. A ball is carried in the storage location during downward flow, and moves into the longitudinal passage to seat against the seat if the upward flow is sufficient. The storage location is located in an area of the longitudinal passage which has a much larger flow area than through the seat. The downward flow impinges on a portion of the ball. A communication passage extends from the storage location downward to a reduced diameter section of the longitudinal passage.

Abstract: A tool joint for earth boring drill pipe members has features that increase the amount of torque required to yield the connection. The tool joint has both external and internal make-up shoulders. The pin and box are dimensioned so that the box face contacts the external shoulder while there still is a clearance between the pin face and the internal shoulder. At normal make-up torque, the external shoulder will be tightened to its normal amount. The internal shoulder will tighten to its yield only if additional torque is encountered while drilling. The internal shoulder adds to the amount of torque required to yield the tool joint connection.

Abstract: A string of earth boring drill pipe has telemetry features. Each section of the drill pipe has a box tool joint on one end and a pin tool joint on the other end, with an insulated wire segment extending through the section. A contact ring is connected to one end of the wire segment and mounted to one of the tool joints. The contact ring has an exposed side. An annular contact member is connected to the other end of the wire segment and has an exposed side for contacting the exposed side of the contact ring when making up with another section. The contact member is laterally flexible and is mounted in an insulating member that is subjected to internal pressure in the drill string for urging the contact member toward the contact ring.

Abstract: An earth boring bit has features to reduce stress concentration. The earth boring bit is of the type having three bit legs, each bit leg having a depending bearing pin for rotatably carrying a cutter. An annular fillet is formed at the junction of the bearing pin and the bit leg for receiving a seal ring. To relieve stress above the fillet and on the inside surface of the bit leg, a depression is formed. The depression is formed in the inside surface of the bit leg with a lower edge commencing at the top of the fillet. The depression is curved in vertical cross-section and is located behind the backface of the cutter.

Abstract: An ultrasonic probe for inspecting the interface between the walls of a double-wall tube comprises a cylindrical body member having two cavities axially spaced apart thereon. The probe is placed in the tube and ultrasonic energy is transmitted from a transducer in its body member to a reflector in one of its cavities and thence into the inner wall of the tube. A second transducer in the probe body member communicates with the second cavity through a collimation passage in the body member, and the amount of ultrasonic energy reflected from the interface between the walls of the tube to a second reflector through the collimation passage to the second transducer depends upon the characteristics of said interface.

Abstract: An earth boring drill bit for large diameter shafts has an improved cutter arrangement. The drill bit has a cutter support member with a number of cutters mounted to it for disintegrating the earth formation face. At least one inner cutter is mounted near the center for cutting the center area. A number of gage cutters are mounted at the periphery to cut the gage area of the shaft. A number of intermediate cutters are spaced between the inner and gage cutters. Each intermediate cutter overlaps one-half of its width with an adjacent intermediate cutter.

Abstract: A probe system is provided for the bore-side inspection of tube-to-header welds and the like for small diameter tubes. The probe head of the system includes an ultrasonic transmitter-receiver transducer, a separate ultrasonic receiver, a reflector associated with the transducer to properly orient the ultrasonic signal with respect to a tube wall, a baffle to isolate the receiver from the transducer, and means for maintaining the probe head against the tube wall under investigation. Since the probe head must rotate to inspect along a helical path, special ultrasonic signal connections are employed. Through the use of the probe, flaws at either the inner or outer surfaces may be detected.

Abstract: Distillation apparatus for steam distilling of solvents is disclosed in combination with phase separation means which is readily adjustable to accommodate fluids which are either more dense or less dense than water. This is accomplished in the preferred embodiment by attaching a pipe to an appropriate opening in the phase separation means. This permits a readily changed operation from one solvent to another and permits standardization of manufacture to accommodate essentially all water immiscible solvents.

Abstract: A method and apparatus for the administration of medical injections. After insertion of an injection needle into a patient, a negative pressure differential is applied to the exposed end of the injection needle so that if the injection needle has been inserted into any artery or a vein, blood will be drawn up into the needle. A transparent window allows the person administering the injection to observe whether any blood has been drawn into the needle.

Abstract: A dispensing device of the syringe type is provided, that is constructed at its dispensing end for facilitating substantially complete discharge therefrom. Also, interior walls of the container are provided with mutual interconnecting means, and with the container being substantially flexible, the walls are secured together as they are pressed together, also for facilitating substantially complete discharge from the container. The device is particularly adapted for use with syringes of the throw-away type, for dispensing medicine, inoculation, or the like by means of a needle.