Abstract: A system and a method for counting the number of people passing a entry point in a predetermined direction. The system includes a foot-activated, pressure sensitive platform deployed at the entry point for providing a time-dependent pressure profile vector indicative of the manner in which a person arches one of his feet prior to at least partially stepping off the platform. The pressure profile vector is processed for determining whether the person completely passed through the entry point in the predetermined direction. In the affirmative case, a counter for recording the number of people completely passing through the entry point in the predetermined direction is incremented. The system can be adapted for providing a net count of the instantaneous number of people in a given area during the entering and leaving of people through an entry point into and from the given area.

Abstract: A two-part system for the preparation of a thermally curable coating composition, in which one-pack contains a thermally curable material and the other contains a curing system potentially reactive therewith, at least one of the packs having water as the principal liquid carrier.

Abstract: A device and method for the detection of light emitted by chemically reactive substances is disclosed. The device comprises a plurality of wells for holding chemically reactive substances, a detector for detecting light emitted by the chemically reactive substances held in each well, and a moving component for moving the detector sequentially to each respective one of a series of detection positions, proximate to each well, so as to enable the detector to detect the light emitted by the chemically reactive substance in each well. The detector employed in the present invention comprises a photomultiplier tube and, in accordance with the invention, a processor is employed to control the gain of the photomultiplier tube.

Abstract: In a continuously burning pyrotechnic composition, compounds of graphite serve as additional components that are capable of thermal expansion in the C-axis perpendicular to the lattice plane and expand in the reaction zone of the pyrotechnic composition, being released with the reaction products of the burning pyrotechnic composition. This permits production of camouflage smokes that are effective in the optically visible range, the IR range and the MMW-RADAR range of electromagnetic radiation.

Abstract: Atrial fibrillation disorders are treated by locating low impedance electrodes positioned on a single catheter body passing through the pulmonary artery valve to locate the electrodes respectively in the right atrium and the pulmonary artery. Thus an electrical energy impulse of the order of three joules is passed through a heart and tissue path establishing a field gradient for resetting atrially fibrillating cells to convert atrial fibrillation into sinus rhythm. A special non-implantable catheter for temporary use provided for this treatment method is characterized by an inflatable balloon on the distal tip end, two low impedance energy discharging electrodes spaced to reside respectively in the right atrium and the pulmonary artery and a flexible polymer catheter body sheath of a diameter of the order of two millimeters.

Abstract: A window frame assembly including a weather resistant cladding structure having a telescopic expansion joint. The cladding, preferably made of PVC, has side jamb members which are hollow and which form telescoping members in conjunction with corner pieces or end caps which engage with the nose of the sill cladding. The window frame assembly is made up of wooden side jambs, a wooden upper jamb and a wooden sub sill to which the cladding structure is attached. The telescopic members having the expansion joint permit thermal contraction and expansion of the cladding structure relative to the wooden jamb and sill members.

Abstract: A method and device for joining two pieces of sheet material using a unique joinder device are disclosed. The joinder device comprises first and second flange portions and a rib disposed between and interconnecting the flange portions. The rib extends in a direction perpendicular to a plane of the flange portions so that, when the joinder device is employed to join two pieces of sheet material, each of the flange portions lies flat against an interior side of the pieces of sheet material and the rib is disposed between the adjacent, abutting ends of the pieces of sheet material. Fasteners are driven from an exterior side of, and through, the pieces of sheet material so that distal ends of the fasteners are anchored in holes which are preformed in the first and second flange portions.

Abstract: Especially for use in disinfecting water by bubbling in a gas such as ozone, novel apparatus having an inlet and an outlet for liquid and which defines a flow path therebetween, the path including, in succession, a downward flow zone and an upward flow zone, the zones being separated by a wall beneath which there is a gap for the flow between the zones, wherein the upward flow zone includes a perforate baffle, adjacent to the gap, such that there is substantially laminar flow throughout that zone.

Abstract: A method is disclosed for removing material from moving metal workpieces, in particular for cutting sheet metal. It entails preheating, without melting, the surface of the workpiece to a temperature at which ignition is triggered by a combustible gas directed onto the preheated section as a jet under pressure, while burnt material from the workpiece is blown away from the cut recess thus produced. In order to achieve smooth edges on large-gauge workpieces with a relatively high feed-rate, a laser beam is also directed onto the cutting front in the cut recess.

Abstract: An elongated structural member suitable for use as a marine piling includes a continuous, extruded plastic body having rebar disposed within the plastic body and extending in the lengthwise direction of the structural member. The structural member is formed by continuously extruding a molten plastic into a die so that the molten plastic surrounds and bonds to rebar fed into the die.

Abstract: A variable rate cardiac pacemaker is adapted to be implanted in a human patient for automatically adapting pacing rate to metabolic need of the patient when the patient is walking in an ascending path, a descending path, or on a level plane. An accelerometer senses the activity of the patient walking, and produces an electrical sensor signal representative of the activity. The accelerometer signal has variable parameters indicative of morphology, including amplitude, of the sensor signal according to status of activity of the patient and to the upward, downward, or horizontal direction of the patient's walking. A pulse generator generates pacing pulses at a variable rate according to an applied control signal to electrically stimulate the patient's heart at a pacing rate which varies according to patient activity.

Abstract: A terminal structure includes a male terminal which is formed by folding a piece of plate material and a female terminal into which the male terminal is inserted for an electrical connection therebetween. The male terminal has a rod-shaped electrical connection part formed on an end thereof. The electrical connection part is provided on an upper surface thereof with raised portions which are brought into contact with the female terminal when the male terminal is inserted thereinto. The female terminal is formed by folding a piece of plate material. The female terminal is provided inside thereof with a plane upper surface for depressing the male terminal and is also provided with a resilient tongue piece for supporting the male terminal from below. Due to provision of the raised portions on the male terminal, the contacting area between the male terminal and the plane upper surface of the female terminal is reduced to obtain a terminal structure requiring low insertion force.

Abstract: A joint connector comprises: a connector housing (12) formed with a first joint opening (12A) joined with a first mated connector (17) on a first end side thereof and a second joint opening (12B) joined with a second mated connector (18) on a second end side thereof; and a bus bar (13, 23, 33) housed in the connector housing and formed with a plurality of branch terminal portions (13a, 23a, 33a) extending symmetrically toward the first and second end sides of the connector housing (12) and arranged also symmetrically when seen from any of the first and second end sides of the connector housing. Further, a plurality of the bus bars (13, 23) are arranged also symmetrically in the connector housing when seen from both the first and second end sides of the connector housing (12). Therefore, whenever the mated connectors are jointed with the joint connector on either side, it is possible to obtain the same electrical connection conditions.

Abstract: Especially for use in disinfecting water by bubbling a was such as ozone, novel apparatus having an inlet an outlet for liquid and which defines a flow path therebetween, the path including, in succession, a downward flow zone including a gas bubble inlet and an upward flow zone, the adjacent downward and upward flow zones being separated by a wall beneath which there is a gap for the flow between the zones, wherein the gas bubble inlet is at a height of at least 50% of the height of the gap.

Abstract: A method and apparatus for producing stretched yarns.

Abstract: A method and apparatus for intravascular radiotherapy for prevention of stenosis following angioplasty or other trauma to coronary arteries caused by smooth muscle cell hyperplasia in which a uniform dosage of radiation is delivered to the walls of the artery by positively positioning a radioactive source at the radial center of the artery being treated.

Abstract: A mounting device for mounting a harness applicator, such as a clip or a protector, to a wire harness positioned on a common base plate. A limit-switch for sensing the presence of the clip is incorporated in the mounting device. The limit-switch produces a completion signal when the clip is mounted on the harness W. An informing unit lights the lamp for informing a completion of the mounting in response to the completion signal.

Abstract: A skyhatch or skylight having a case to which one or more wings are pivotably attached whose opening and closing is accomplished by using a combination cable system and pneumatic spring opening and closing mechanism such that the wings can be opened to any desired position between their fully closed and fully opened position on a continuously variable basis.