Abstract: CRT control apparatus for use in high-resolution graphic display equipment of the type including a frame buffer having storage banks for storing digital signals representing the color intensities of red, green and blue colors of pixels on the CRT screen. The control apparatus is formed in a single MOS integrated-circuit (IC) chip which incorporates three multiplexers for the three 8-bit sets of color digital signals from the frame buffer. The 8-bit outputs of the multiplexers are directed to digital-signal-transformation devices which, in response to each 8-bit signal, produce a corresponding 10-bit signal incorporating the color-intensity information of the original 8-bit signal, and also incorporating a gamma correction factor for the particular intensity represented by the original 8-bit signal. The 10-bit signals are directed to 10-bit DACs, one for each color, to produce corresponding analog control signals for the corresponding electron guns of the CRT.

Abstract: Electrostatic application of a dusting of dry, electrostatically adherable, thermally insulative powder particles over a workface of a continuous metal-casting machine in which the mold surface or surfaces which provide the workface or workfaces revolve in a generally oval course. A dry dusting of protective powdery refractory material is applied to the workface after being entrained in an air stream and electrostatically charged by suitable electrostatic apparatus. The workface to be dusted is electrically grounded for attracting the charged powder particles for adhering them to the workface. The resultant coating formed by the dusting so deposited is remarkably uniform over a substantial area of the workface, a phenomenon explainable by mutual electrostatic repulsion of the dry powder particles being deposited.

Abstract: An analog-to-digital converter (ADC) having two cascaded A/D stages of the parallel type wherein the analog signal is compared with a set of threshold reference voltages. The first stage develops a set of most-significant bits and produces two analog residue signals: a normal residue corresponding to the difference between the analog input and the threshold voltage below the analog input, and a second residue corresponding to the difference between the analog input and the threshold voltage above the analog signal level. These two residue signals are amplified and directed to the second A/D stage. The sum of the residue signals equals one LSB of the first A/D stage, so that the two residues supply to the second stage information about the quantization error of the previous stage as well as the quantization step size to be used to define full-scale at the second stage.

Abstract: A large-diameter, cylinder-shuttle airgun for seismic uses has a cylinder shuttle configured as a hollow, elongated cylinder body of revolution with an inwardly-facing cylinder guide surface and having two outwardly-extending, axially-spaced annular flanges. These two annular flanges are an operating flange at an upper end of the body of revolution and a firing flange at an intermediate region thereof. A cylinder skirt extends down below the firing flange, and the cylinder shuttle has an overall axial length L. The firing flange has a perimeter of outside diameter OD, and the ratio of L to OD is at least about 1 to 1. A cylinder housing of the airgun has a main inner cylinder structure encircled by the cylinder shuttle. This main inner cylinder structure may have an axial passageway of sufficient diameter for passing at least one compressed air hose and at least one multi-conductor electric cable axially therethrough.

Abstract: Infusion apparatus is provided for discriminating the specifications of syringes of any manufacturer, setting alarm levels corresponding to contained liquid solutions having various viscosities, and obtaining a net pressure for infusion from the force to a plunger by considering pressure loss dependent on a friction factor between the barrel and the plunger of the syringe. Syringe diameter is detected digitally to determine a capacity signal. The plunger force is detected by a pressure sensor and then A/D converted to a digital pressure signal. Specifications of syringes of manufacturers based on the syringe capacity signal are compared with the signals of the mounted syringe to select one among operation programs corresponding to their syringe specifications. A Dip switch selects a group of the operation programs for manufacturers.

Abstract: The invention relates to a cosmetic pencil with a pencil base (1) and a replaceable part (2). The pencil base (1) comprises a tube (10), a spindle (7) with a tip and a spring (9) which is arranged on the spindle (7) and the tube (10) such that the spindle (7) is pressed or pulled into the tube (10). The replaceable part (2) has an essentially annular cosmetic guide (5) and a cosmetic holder (4), at the one end of which a bar-shaped cosmetic (3) can be attached and which can be shifted axially in the cosmetic guide (5). The pencil base (1) and the replaceable part (2) can be coupled such that they can be rotated in opposite directions, wherein the cosmetic holder (4) can be shifted away from the tip of the spindle (7). A spiral means is designed at the periphery of the spindle ( 7 ) . A gripping means ( 6 ) is preferably arranged at the cosmetic guide (5). When the pencil base (1) and the replaceable part (2) are coupled, the gripping means (6) can be engaged with the spiral means of the spindle (7). (FIG.

Abstract: An MOS transistor wherein the channel between the source and drain is formed with two regions having different dopant concentrations. The region adjacent the source has a normal concentration, while that adjacent the drain has a reduced dopant concentration. This reduces the degrading effects of hot carrier injection, thereby extending the life of the transistor.

Abstract: This is a self-retaining, adjustable, spring tension vehicle anti-theft tire puncturing and deflating assembly with a removable part for the vehicle's key, requiring no special tools for installation and operation. It is constructed of a color similar to a tire, to a size and configuration to fit inconspicuously across and within any portion of an air inflated vehicle tire tread and come into contact with the road surface thus pushing upward, puncturing and permitting relatively rapid escape of the air from the tire through a passageway.

Abstract: A coupling mechanism for quickly coupling a rotor body to its drive and driven journals and thereby obtaining radial and axial alignment thereof in a closely confined space is provided. The coupling mechanism includes a split ring collar and a clamping ring securely holding in appropriate placement a chamfered split ring for radially and axially aligning the rotor and the journals, hereinafter referred to as co-axial alignment.

Abstract: Optical scanner, comprising a laser source for generating a laser beam, a first deflector for deflecting the laser beam towards a array of reflectors, the first deflector and the array of reflectors being rotatable relative to each other about a first axis, drive means for providing a rotation, and at least one detector for detecting backscattered light, further comprising a second deflector being rotatable about a second axis for deflecting the beam reflected by the array of reflectors in a direction substantially parallel or coincident with the second axis.

Abstract: A symbol code reader comprises a two-dimensional array of photosensitive elements for converting light scattered by the symbol code into image signals representative of the symbol code, image storage means for storing image signals produced by the photosensitive elements, and selection means for selectively passing image signals from the photosensitive elements to the image storage means. Preferably, the selection means are arranged for passing the image signals from predetermined sets of photosensitive elements, the elements of each set constituting a pattern in the array.

Abstract: A scrambler for use with thermometer-code digital signals and having a number of interconnected identical switching cells in the form of swapper cells with two inputs and two outputs. A control signal determines whether the inputs are connected directly or reversely to the outputs. The control signal is developed by logic circuitry which receives as inputs the two swapper cell input bits and a state bit representing the integrated difference of past swapper output signals.

Abstract: A horizon sensor orbiting the earth views the earth's horizon in at least two points in the earth's summer and winter hemisphere and calculates pitch and roll information therefrom. The summer pitch and roll information is calculated at intervals long with respect to pitch and roll rates, but short with respect to weather variation. The pitch and roll information is then periodically corrected during a predetermined correction interval using the summer hemisphere pitch and roll information.

Abstract: CRT control apparatus for use in high-resolution graphic display equipment of the type including a graphics processor and a frame buffer having storage banks for storing digital signals representing the color intensities of red, green and blue colors of pixels to be presented on the CRT screen. The apparatus includes an MOS integrated-circuit (IC) chip which serves as the master timing control for the entire CRT sub-system, including timing of the read-out of pixel signals from the frame buffer, loading of the pixel signals into latches on the MOS chip, and multiplexing of the signals stored in the latches. Digital signals representing the color intensities are directed to corresponding DACs which generate the analog intensity color signals for the electron guns of the CRT.

Abstract: Pressure detector circuits are disclosed in which a pressure sensor is connected to an amplifier having an output signal. A three state comparator compares the output signal with a first reference voltage to provide a comparison output which is fed back in a feedback path to another input of the amplifier through a low-pass filter. A first controllable circuit source connected in series with the first reference resistor are connected in the feedback path to detect an open or short circuit condition of the pressure sensor. Another controllable current source connected in series with a second reference resistor and a voltage divider are also provided in the feedback path which in combination with the first current source detect breaks and short circuit conditions of the pressure sensor. A switch connected is parallel to a high value resistor having a resistance higher than that of a low value resistor in the low-pass filter is also provided in the feedback path.

Abstract: A monitoring device for portable breathing apparatuses having a manometer by means of which the pressure in the pressure container of the breathing apparatus is detected, and having a transmitter by means of which a signal corresponding to the pressure is transmitted at regular intervals. The transmitter also has a signal generating device which generates an identification signal which is characteristic of the transmitter. The pressure signal and identification signal are received and tested by a receiver. If the identification signal matches an identification comparison signal stored in the receiving device, the measured pressure value is displayed on a display device.

Abstract: An integrated-circuit (IC) chip formed with a fault-protected switch comprising three MOS transistors in series. Each transistor is placed in a corresponding tub of the IC chip. Each of these tubs is electrically isolated from all other sections of the IC chip, so that the MOS transistors are isolated from one another and from the chip voltage supplies.

Abstract: A focussing device for a bar code reader comprises a lens system and a drive therefor. The lens system comprises at least one lens or set of lenses moveable in the direction of its optical axis. The drive comprises at least one coil and a magnetic element, wherein at least one moveable lens or set of lenses is fixed to the magnetic element and the magnetic element is a magnetic ring slideably arranged in a holding element, and wherein said at least one coil is fixed relative to the holding element. The lens system may comprise at least two fixed lenses or sets of lenses, at least one moveable lens or set of lenses being arranged between two fixed lenses or sets of lenses. A gating device selectively passes signals output by a sensor that senses light scattered by a bar code passing through the focussing device.