Abstract: The present disclosure relates to a method and apparatus for determining the misalignment between a device and a platform (such as for example a vessel or vehicle) using radius of rotation of the device, wherein mobility of the device may be constrained or unconstrained within the platform. The device may be moved or tilted to any orientation within the platform and still provide a seamless navigation solution without degrading the performance of this navigation solution. This method can utilize measurements (readings) from sensors (such as for example, accelerometers, gyroscopes, etc.) whether in the presence or in the absence of navigational information updates (such as, for example, Global Navigation Satellite System (GNSS) or WiFi positioning).

Abstract: A method, computing system and computer program product are provided to monitor compliance with a non-transgression zone between aircraft approach corridors, thereby facilitating simultaneous instrument approaches. In the context of a method, a predicted path of an aircraft is determined during a flight based upon at least a representation of a roll angle of the aircraft and a cross-track component of the velocity of the aircraft. The method also includes identifying an instance in which the predicted path of the aircraft during the flight intersects a non-transgression zone. The method further includes causing an alert to be issued in the instance in which the predicted path of the aircraft during the flight intersects the non-transgression zone.

Abstract: A gyroscopic roll stabilizing device for a marine vehicle includes a base communicating with a gyroscopic component which includes a rotor rotatable about an axis, a motor for rotating the rotor about the axis, a swing container swinging about a swing axis and having the rotor communicating thereto, a first support member and a second support member being opposite to the first support member for swingingly supporting the swing container. An actuating member rotates the gyroscopic component about an axis around which the rotor does not swing in its free state.

Abstract: Disclosed is method of measuring the displacement between a reference region of a reference image and a sample region of a sample image. The method spatially varies the reference region using a one-dimensional filter having complex kernel values, wherein a length (radius) and direction (angle or tangent segment) of the filter is a function of position in the reference region. The method then measures a displacement between the reference region and the sample region by comparing the spatially varied reference region and the sample region.

Abstract: The system includes a mobile vessel having a body axis and a steering mechanism. A three-axis gyroscope is mounted within the vessel. A three-axis magnetometer is mounted within the vessel. A programmable device communicates with the three-axis gyroscope, the three-axis magnetometer, and the steering mechanism. The three-axis gyroscope may include three single axis gyroscopes.

Abstract: A skive plate assembly for aiding receiver sheet removal from a roller in a fuser in an electrographic process, comprises a base plate, a skive plate having a central portion, and a skive plate attachment rigidly connecting the skive plate to the base plate such that the base plate and the skive plate define an air passage slot intermittently interrupted by the skive plate attachment, the skive plate defining a terminal edge positioned to face the roller, wherein a distance between the terminal edge and the base plate decreases with distance from the skive plate central portion. According to a further aspect of the invention, the terminal edge defines a gap with the roller, wherein the gap between the terminal edge and the roller is constant along the length of the skive plate.

Abstract: This invention is a clear plastic board used specifically for scoring a straight line when place on top of glass or stained glass. The invention allows the artisan to comfortably move the board so as to score by seeing his pattern through the clear plastic and selecting exactly the color of the stained glass that he wishes to use in his artwork. A slot in the middle of the board allows a more expensive type of cutter as well as the less expensive glass cutter to score and glide easily from bottom to top or top to bottom (as some artisans prefer) and effectively score a straight line on the glass. The slot also prevents slipping to the side as would be true when using a straight edge or T square and allows for a stronger and more rigid scoring. The scoring board also has topside and underside rubber strips to prevent slippage, as would be true when using a straight edge, allowing for the effective scoring of horizontal and vertical lines and to diminish wear and tear to the cutter's carbide wheel.

Abstract: An all-in-one drawing apparatus has a protractor integrated with horizontal and vertical rulers on a drawing board. The vertical ruler has a pen holder adapted to move and scribe within the vertical ruler. The vertical ruler can pivot according to measured angles on the protractor portion.

Abstract: A vertically looped ribbon cable having upper and lower lengths connected to one another by a 180.degree. bend for carrying power and control signals is attached at one end to a controller and at its other end to a plotter's tool head. The tool head is mounted to, and can move along the length of a tool head support. A cable support device is provided and includes a trough having an interior channel containing the ribbon cable and mounted to the plotter's frame. A vertically looped cable support strip is also positioned in the trough and has an upper support strip length positioned above and connected by a 180.degree. bend in the support strip to a lower support strip length. During movement of the tool head along the length of the support, one of the upper or lower support strip lengths will increase while the other decreases. The ribbon cable is positioned relative to the support strip so that the upper length of the cable overlies and is vertically supported by the upper support strip length.

Abstract: A radial arm saw glass cutting attachment including an arm having an orthogonal and a radially oriented glass cutter. The arm attaches to the radial arm saw blade attachment shaft and the shaft is oriented orthogonally to a glass plate being prepared for cutting for the purpose of producing circular or annular cut patterns, or the shaft is oriented parallel to the plane of the glass plate for the purpose of producing linear and angularly disposed linear cuts. A graduated scale which enables setting radius or diameter of a cut circle, and a thumbscrew lock for the freely sliding orthogonal cutter are included.

Abstract: A mat board cutting guide for use in cutting mat board for flamed pictures, for example, is disclosed. The cutting guide includes an elongated straight edge having a top and a bottom surface, a first and a second end, and a first and a second edge. The first and the second edge are parallel to each other and extending along the entire length of the straight edge. The cutting guide also includes a squaring head having a thickness substantially equal to the thickness of a standard single mat board, approximately 1/16 of an inch. The squaring edge is attached to the bottom surface of the straight edge at the first end of the straight edge. The squaring head includes a squaring edge adapted to engage a first edge of a piece of mat board when the bottom surface of the straight edge is placed on the piece of mat board. The squaring head is attached to the straight edge such that the squaring edge of the squaring head is perpendicular to the first and second edge of the straight edge.

Abstract: An apparatus for cutting labels or other material in a program-controlled plotter comprising a blade affixed in a shaft which, in turn, is rotably held in a shell which can be mounted in a plotter. Advantageously, the blade is mounted so that the cutting point is not on axis with the center line, but trails slightly so that when the direction of travel is changed, the blade rotates to adjust to the new cutting direction.

Abstract: An object of this invention is to improve the sharpness of cutting and to prolong the longevity of the blade by increasing the cutting speed with a rotation of the round blade cutter that is more than the normal rotation of 1:1.The base 34 is linked with the drawing head 8 by means of the detachable hook 16 and the hook receiver 32, and when the base 34 moves along the rail 6 with the drawing head 8, the rubber roller 46 rotates with the friction with the paper-mounting plate 2. The rotation of the rubber roller 46 is transmitted to the round blade cutter 40 by means of the speed increasing mechanism, and the round blade cutter 40 rotates at a high speed in the same direction with the rubber roller 46 and moves along the cutter groove 4 to cut the paper 12.

Abstract: An artwork mat marking and cutting apparatus for use in cutting mat and similar material for picture framing and the like is disclosed. The apparatus includes a combined marking and bevel cutting device and a dual scale conversion ruler for ease of measurement in laying out mat borders. The conversion ruler has a cooperating extension which fits within a grooved guide, the guide having a T square like end for squaring the mat material with the apparatus. The outer borders of the mat material may be cut using a straight cutting device in combination with the above guide. The guide includes a feature allowing the cutter to traverse the entire sheet of material. Both the bevel and straight cutting devices allow the blade to be retracted when not cutting, and have various adjustment and other features. An alternative adaptor provides for the use of the bevel cutting device to make cuts perpendicular to the mat material surface.

Abstract: A template structure defined as a template plate, including a front edge, a rear edge, and intermediate first and second slots arranged in a Parallel relationship are defined by the template plate. The first slot includes a first slot rear edge spaced from and parallel a first slot front edge, with the second slot including a second slot rear edge spaced from and parallel the second slot front edge. The first slot is positioned adjacent the rear edge, with the second slot positioned adjacent the front edge of the organization. The front edge permits severing of a pants leg therealong, wherein the front edge is spaced from the second slot rear edge a first length, wherein a respective second length is defined between the second slot rear edge and the first slot rear edge, with a third length defined between the first slot rear edge and the rear edge of the template plate.

Abstract: The present invention relates to an angular initialization method for orientating a direction of a cutting edge portion in a cutting plotter which cuts out a cutting medium into a desired shape sheet, in which a cutter member is continuously shifted to cut out the cutting medium along two line segments from a first line segment to a second line segment which intersect with each other at a predetermined angle, and it is possible, when the cutter member is shifting on the second line segment, to change the direction of the cutting edge portion and to securely locate the direction of the cutting edge portion to coincide with the second line segment shortly before a cutting operation is commenced, even if the cutter member is not turned to a desired cutting direction while the cutter member has been shifting on the first line segment.

Abstract: An image forming member, e.g. a pen or a cutter (for cutting image patterns), which member requires to be lowered onto and applied with a given pressure to a writing surface, is controlled in two modes. In a position control mode, the image forming member is controlled by means of a closed loop circuit by which it is lowered and positioned at a very small distance off of the writing surface. In accordance with a second, pressure control mode, the image forming member is controlled by means of an open loop circuit. With the aid of the open loop circuit the member is lowered and then applied with a given pressure to the writing surface. Thus, accurate and rapid controlling of such an image forming member is achieved.

Abstract: A T square shaped guide has a cutting device movable along its tongue section which is clamped at a desired distance from the head of the T square. Cutting is accomplished by movement of the T square with its clamped cutter along an edge of the material to be cut to a desired width. The cutting device employs cutting wheels arranged parallel to the T square head.

Abstract: Presented is an adaptor for use with a universal plotter pen that enables use of the universal plotter pen in many different X-Y plotter mechanisms. The interior configuration and dimensions of the adaptor, including elongated longitudinal ribs, are such as to snugly receive and frictionally retain the body of the plotter pen in a stable axial relationship with the adaptor body, which is tubular to receive the plotter pen body. A control boss is provided within the tubular body of the adaptor to limit the extent of insertion of the plotter pen, and slots are formed in the tubular body of the adaptor to give access to the exposed end of the plotter pen body that projects through the slots to facilitate digital imposition of an axially directed force on the end of the plotter pen to effect ejection of the plotter pen from the adaptor body.

Abstract: A cutting apparatus for cutting material into a desired shape has a first travelling member and a second travelling member which are arranged on a holding stand, on which the material to be cut is placed, and which approach and separate from each other. A cutting tool for cutting the material is mounted on each of the first and the second travelling members so as to be movable in a direction that is perpendicular to the travelling direction of each travelling member. Movement corresponding to a cutting profile required for the cutting tool to cut the material to a desired shape is imparted by controlling the first travelling member and the second travelling member and the cutting tools mounted on both travelling members. In addition, such a cutting process can be carried out by driving a numerical control to spread the cutting tools mounted on both travelling members in a laterally symmetrical relation so that an annular portion can be cut to produce shaped articles.

Abstract: A glass cutting device which is especially useful for cutting sheet glass having a motor driven glass cutting head mounted on a platform. The glass cutting head may include a marker as well as a cutting wheel for performing the functions of marking and cutting glass from a stock piece of glass. The motor driven cutting head may be controlled by a computer providing optimizing instructions to reduce waste in the cutting operation.

Abstract: In a method of producing diffraction gratings by feeding either one of a blank or a groove-ruling tool by an amount consisting of the amount of constant transference and the amount of variable transference that is added thereto, or subtracted therefrom, while reciprocally moving the other one of said blank or said groove-ruling tool, in order to rule grooves of irregular intervals on said blank, a method of producing varied line-space diffraction gratings wherein the region of ruling is divided into a plurality of small regions so that the difference between a maximum value and a minimum value of distance between grooves becomes smaller than a predetermined value, and the amount of constant transference is set to the nearly equal to an average distance between grooves in each of said small regions.

Abstract: A method and apparatus for working on sheet material utilizes a table having two spaced coplanar lips across which sheet material is stretched to be worked on by a tool supported from a movable carriage spanning the table. Clamping units attached to the table hold the sheet material in a taut condition between the coplanar lips of the table by clamping the material against the lips. A platen is suspended from the carriage on the side of the material opposite from the work tool for movement with the carriage and provides a backing for the material as the work tool performs a work operation on the material. The apparatus is particularly suited for applications in which the sheet material in an elongated strip is indexed in segments across the work area of the table.

Abstract: A large scale X-Y plotting table is provided with electro-pneumatically controlled clamping bars at opposite ends, with roller-formed troughs adjacent thereto for supporting supply and take-up rolls of sail cloth or the like. The clamping bars are coupled to foot operated switches for locking the bars alternatively in the clamping or releasing position. Index marks plotted at the fabric edge and an index line on the table, as well as a longitudinal fence, facilitate indexing the fabric between adjacent plotting fields corresponding to window fields of the associated CAD equipment.

Abstract: A pen changing apparatus for a plotter is disclosed. A plurality of pens are mounted on a carriage in alignment with the axial direction of a shaft which is provided on the carriage as the sliding axis thereof. A guide shaft is fixed onto the carriage in the same direction as the shaft. A sliding lever for pressing any of the plurality of pens is provided on the guide shaft such as to be movable in the axial direction of the guide shaft and rotatable around the guide shaft. A solenoid rotates the sliding lever so as to press down a desired pen at the position where the sliding lever is located in resistance to a pen lifting spring or restore the pen to its original position by the urging force of the pen lifting spring.

Abstract: In a stabilized gyrocompass having meridian seeking gyroscopic means and slaved horizontal gryoscopic means disposed upon a common platform, a signal representative of the angle which develops between the meridian seeking gyro and the platform in response to the dynamic effects of the vehicle is generated. The generated angle is proportional to the northerly inertial velocity term and is used to control the platform in azimuth, thereby providing a dynamically correct stabilized gyrocompass without the use of accelerometers or gravity sensors which are conventional in the art.

Abstract: Survey apparatus and method employs a free gyroscope for fast determination of azimuth, free gyroscope alignment being periodically corrected by a rate gyroscope which is periodically rotated for accurate azimuth determination. An accelerometer is also usable in conjunction with the gyroscopes for tilt determination. More generally, method and means is provided for calibrating (initially or periodically) an angle or position reference device.

Abstract: Survey apparatus and method employs a free gyroscope for fast determination of azimuth, free gyroscope alignment being periodically corrected by a rate gyroscope which is periodically rotated for accurate azimuth determination. An accelerometer is also usable in conjunction with the gyroscopes for tilt determination.