Abstract: One end of a cable guard for an archery bow is received in a bore in the bow riser. The bore is substantially parallel to the plane of the drawstring. A hole in the riser transverse to the plane of the drawstring houses two clamp members in engagement with the end portion of the cable guard. A bolt extending through one clamp member and threadably received in the other clamp member draws the clamp members toward each other to frictionally clamp the cable guard in place.

Abstract: An animal is trained using a remote transmitter and a collar-mounted receiver carried by the animal by selecting one of a plurality of desired stimulus levels by a stimulus level control of the transmitter. Information representative of the selected desired stimulus level is transmitted to the receiver and demodulated to produce a digital signal representative of the selected stimulus level. A microprocessor in the receiver operates to generate as an output a first stream of pulses of constant duration at a frequency representative of the selected stimulus level. The first stream of output pulses is filtered to produce a second stream of pulses the widths of which are representative of the selected stimulus level.

Abstract: A coupling interconnects either of two conventional types of waste water outlets used to discharge waste water from a waste water holding tank of a recreational vehicle with a discharge hose to convey the waste water to a remote location. A sleeve of the coupling penetrably engages an internal cylindrical surface in either outlet and is of a common diameter to concentrically locate the coupling irrespective of differences in the external size of the outlets. A pair of hooks extend from the coupling to engage dogs extending radially from either engaged outlet to retain the coupling in place. A seal seals the junction between the coupling and the outlet to prevent leakage of waste water therebetween. The discharge hose is connectable in fluid communication with the sleeve to convey the waste water from the coupling.

Abstract: A digital-to-analog converter includes a resistive divider network including a plurality of series resistors of resistance R and a plurality of shunt resistors of resistance 2R' and a circuit for switching a shunt resistor of the resistive divider network in the digital-to-analog converter to either of first and second reference voltages. The switching circuit includes a first switch MOSFET coupling the low reference voltage to the shunt resistor, and a second switch MOSFET coupling the shunt resistor to the high reference voltage. First and second switch control circuits adjust the on resistances of the first and second switch MOSFETs to be proportional to the resistances of first and second reference resistors, which have the same temperature coefficient as the resistors of which the divider network is composed. The on resistance of each of the first and second switch MOSFETs is equal to R.sub.ONi, and the resistance 2R' is equal to 2R-R.sub.ONi. The on resistances do not need to be binarily scaled.

Abstract: A differential amplifier includes a rail-to-rail input stage including differentially coupled first (13) and second (14) P-channel input transistors, and differentially coupled third (17) and fourth (18) N-channel input transistors. The drains of the first and second input transistors are coupled to a first folded cascode circuit which includes first (25) and second (26) P-channel cascode transistors. The drains of the third and fourth input transistors are coupled to a second folded cascode circuit which includes third (36) and fourth (37) N-channel cascode transistors. An output stage includes a P-channel pull-up transistor and an N-channel pull-down transistor and a class AB bias circuit coupled between the gates thereof. The gates of the first (25) and third (36) cascode transistors are coupled to first and second reference voltages, respectively.

Abstract: In a delta-sigma type analog-to-digital converter, an offset varying during operation is removed, and a reduction in time required to generate a stable value after powering on the converter is achieved. A high pass filter is provided with a variable filter coefficient which can vary during operation. A filter coefficient controller supplies a coefficient control signal to the high pass filter to change the variable filter coefficient during operation, thereby altering the time constant of the high pass filter.

Abstract: A method of ashing or cleaning a wafer, including introducing oxygen gas into a reaction chamber having therein a semiconductor wafer to be ashed or cleaned, producing light of wavelength less than 190 nanometers by means of a first excimer lamp, and directing the light into the oxygen gas, causing generation of ozone gas. Light of wavelength greater than 190 nanometers is produced by means of a second excimer lamp and directed that light into the ozone gas, causing generation of an oxygen radical having a high absorption coefficient. Gas including the oxygen radical is passed along a surface of the wafer, causing degeneration of organic material thereon.

Abstract: An offset-compensated amplifier including an input stage (2) having a current source (10), first (11) and second (12) FETs each having a source connected to the current source, first (17) and second (18) input FETs each having a source connected to a drain of the first compensation FET (11), and third (19) and fourth (20) input FETs each having a source connected to a drain of the second compensation FET (12), a drain of each of the first (17) and third (19) input FETs being connected by a first output conductor (21) to a first load (23), and a drain of each of the second (18) and fourth (20) input FETs being connected by a second output conductor (22) to a second load (24), a gate of each of the first (17) and third (19) input FETs being connected to a first input (3A), a gate of each of the second (18) and fourth (20) FETs being connected to a second input (3B).

Abstract: Amino acids and glycoproteins are effectively removed in an infection site or potential infection site by application of an aqueous solution or other vehicle such as a gel or salve of chlorine dioxide to inhibit the growth of microorganisms resulting in reduction of numbers of infection causing microorganisms and treatment of the attendant infection.

Abstract: A touchpad is formed of an electrically insulating membrane (10) with a first series of spaced apart conductors (12) on a first face of membrane (10) and a second series of spaced apart conductors (14) on or proximal thereto, in which there is no electrical contact between the first and second series of conductors (12, 14) Each conductor in the first and second series of conductors is sensitive to the proximity of a finger to modify the capacitance of the proximate conductor to detect the presence of the finger positioned close to that conductor. A scanning system operative to sample one of the conductors in turn from both the first and second series of conductors (12, 14) in order to measure and store a capacitance value associated with that respective conductor. The scanning system is operative to maintain all conductors (12-n, 14-n) at a common potential equal to the potential of the conductor being sampled when the remaining conductors are not actively being sampled by the scanning system.

Abstract: A method of blasting in reactive ores includes diluting hot liquor of ammonium nitrate with water to provide diluted ammonium nitrate solution of predetermined concentration, adjusting the pH of the liquor of the ammonium nitrate solution, adding a predetermined amount of gassing agent to the ammonium nitrate solution, and emulsifying the ammonium nitrate solution. Then an effective amount of fine zinc oxide powder is mixed with the emulsion explosive and the inhibited emulsion explosive is introduced into a borehole and detonated.

Abstract: An elongate support body includes each of a plurality of pistons longitudinally translatable to urge movement of a corresponding sinker in a straight bar knitting machine. A piston chamber is disposed within or attached to the support body and includes a translatable piston head disposed therewithin. Each of a plurality of piston cylinders housing the respective ones of the plurality of pistons is in fluid communication with the piston chamber. Upon introduction of a fluid under pressure into the piston chamber on one side of the piston head, fluid pressure will be introduced serially into each piston cylinder to actuate each piston as the piston head translates along the piston chamber.

Abstract: A low noise differential amplifier includes a differential stage and first and second unbalanced differential feedback amplifiers. The differential stage includes first (13) and second (14) load devices coupled to first (11) and second (12) conductors, respectively, a resistor (RS), a first input transistor (Q1) having a first electrode coupled to the first conductor and a second electrode coupled by a third conductor (16) to a first terminal of the resistor (RS), and a second input transistor (Q2) having a first electrode coupled to the second conductor (12) and a second electrode coupled by a fourth conductor (17) to a second terminal of the resistor (RS). The first feedback amplifier (18) includes a third input transistor (Q5) coupled between the third conductor (16) and the first current source transistor (Q3). The first feedback amplifier (18) drives the control electrode of the first input transistor (Q1).

Abstract: A multi-electrode probe for use with a catheter in an electrophysiological procedure to map and to ablate any of several tissue sites without repositioning the probe includes at least a plurality of electrodes, such as a tip and metallic rings, less than all of the electrodes has a first work function and are selectively energized by a source of RF energy. The RF energy return path is through a further electrode(s) of a metallic material having a second work function and disposed at a tissue location removed from the ablation site. After the sites have been mapped and one or more sites are selected for ablation, the selected site(s) is ablated prior to any repositioning of the probe. Regulation of the temperature at the ablation site(s) is achieved by sensing the temperature dependent current of a galvanic cell created by the tissue between the energized tip/ring and the further electrode due to their different work functions.

Abstract: A system for interfacing between a semiconductor wafer, an automatic wafer probe machine, and an automatic IC test system includes an insert ring adapted for attachment to a support of the wafer probe machines. A lock ring assembly includes a lock ring rotatably disposed in the insert ring. A cam element having a sloped camming surface is attached to the lock ring. A retaining element attached to the insert ring retains the lock ring in the insert ring. A lid hingeably attached to the insert ring supports a POGO tower assembly including an adapter ring for attachment to a POGO tower and a z-axis ring attached to the adapter ring, and a mounting assembly connecting the z-axis ring in spring-loaded relationship to the lid. A cam follower attached to the z-axis ring engages the sloped camming surface when the lid is lowered to position a bottom surface of the POGO tower slightly above the probe card.

Abstract: A composition is formed of chlorine dioxide and a phosphate added to a mixture of glucono delta lactone, glycerin and hydroxyethyl cellulose to form a lubricant that will stop itching by killing Candida species and several other organisms known to colonize the vagina.

Abstract: During an ablation procedure in a chamber of the heart RF energy is used to form a myocardial lesion for treatment of some arrhythmias such as sustained supraventricular tachycardia and accessory pathways. A galvanic cell, formed by a metallic electrode having a first work function at the ablation site, a second metallic electrode having a second work function located remote from the ablation site and the intervening tissue serving as an electrolyte, produces an output current signal reflective of the formation of a lesion at the ablation site and is used to control the RF energy applied. A curve depicting the output current signal has a maximum value at the point a burn or lesion begins and thereafter begins to decrease in value. A short duration inflection or bump of the curve occurs prior to charring and carbonization of the lesion and predicts lesion formation of a sufficient depth. Thereafter, RF energy should no longer be applied to prevent unnecessary damage to the myocardial tissue.

Abstract: A line in contact with an elongated mandrel has incremental lengths wrapped around the mandrel when the mandrel is rotated about a longitudinal axis. The mandrel has at least one transverse handle receiving opening therethrough. The handle when inserted into the handle receiving opening is employed to rotate the mandrel. The device includes at least one member for engaging the line to prevent unwinding rotation of the mandrel. The mandrel carries spaced transverse flange plates to prevent the line from sliding off the mandrel. At least one of the flange plates has oppositely extending slots from the periphery of that one flange plate to an area near the mandrel for admitting the line from which slack is to be removed to be led into and out of the space between the flange plates to contact the mandrel.

Abstract: The area of a three-dimensional lesion on a cervix is determined from a two-dimensional image of the cervix. A transparent area fixation probe is used to flatten the lesion just prior to photography. The image is analyzed using a personal computer and dedicated imaging software program that calculates the cosine of the slant angle of the planar defining platform of the area fixation probe. This is accomplished by determining the apparent minor to major axis ratio of a standardization circular icon present on the planar defining platform. The lesion itself is outlined by using a mouse pointing device and the number of pixels within the outlined region are counted. The inverse of the cosine of the slant angle is then used as a correction factor to obtain the true area of the lesion by multiplying the number of pixels within the region by the correction factor.

Abstract: .[.An archery.]. .Iadd.A .Iaddend.bow handle .[.or riser, in which the riser.]. is .[.cut out sufficiently.]. .Iadd.shaped .Iaddend.to permit a broad head arrow.[.head.]. to pass rearwardly of the hand grip .[.section,.]. and.Iadd., .Iaddend.upon release of the arrow, to avoid interference with the .[.riser.]. .Iadd.handle .Iaddend.by both the broad head point .[.as well as.]. .Iadd.and .Iaddend.the vanes .[.at the rear portion.]. of the arrow .[.is disclosed.].. .[.Provision is made beneath the riser sight window.]. .Iadd.An .Iaddend.offset .[.to mount an arrow rest, which may interlock into a cutout, and which extends.]. .Iadd.in the window of the handle is displaced .Iaddend.somewhat further .[.offset in order to position the arrow on.]. .Iadd.than the window from .Iaddend.the center line of the bow .[.so that it will behave as an arrow fired with a prior-art type bow handle riser, but accommodating.]. .Iadd.to accommodate .Iaddend.a shorter arrow with a board head.[.,.]. and .[.avoiding.]. .Iadd.avoid .