Bizarre Patents
A vest or belt is integrally formed with tubular, pet receiving passageways which extend around the wearer's body and terminate in pocket-like chambers for feeding and retrieval.
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| Number | Title | Issue Date |
| 5333005 | Apparatus for raising and lowering plotter marking devices Apparatus especially X-Y plotters having a marking device for marking a surface. A support is provided for supporting the marking device. The support is movable along an axis of the housing while the marking device can be selectively raised and lowered re... | 07/26/1994 |
| 5303624 | Apparatus for cutting sheet media Motor-driven cutting apparatus for cutting sheet media are disclosed, particularly for use with plotter and printer apparatus. The cutting apparatus of one embodiment comprises two cutting members in which at least one of the cutting members is moved both... | 04/19/1994 |
| 5267401 | Method and apparatus for gauging reel diameters in a reel-to-reel sheet material transport system Method and apparatus are disclosed for determining the diameter of sheet material wound on a reel, and for setting the tension on sheet material as it is wound on the reel. According to one embodiment, the diameter of a take-up reel including sheet materi... | 12/07/1993 |
| 5267802 | Ribbon cassette storage and transfer apparatus for a printer Apparatus is disclosed for use with printers (or plotters) for storing and transferring ink-containing ribbon cassettes between a print head and a storage location. The printers (or plotters) are of the type which include a print head that is not as wide ... | 12/07/1993 |
| 5229551 | Hysteresis compensation for a digitizer tablet A digitizer tablet providing hysteresis compensation in which the X and Y coordinates of a pointing device are measured at different times. In order to enable the tablet to report X and Y coordinates that when displayed will more accurately reflect the po... | 07/20/1993 |
| 5214448 | Belt-drive tensioning system which uses a pivoting member A belt drive tensioning system for a motor drive positioning system, especially for X-Y digital plotters. The tensioning system employs spring-loading involving pivoting motion of a motor-mounted plate relative to a fixed plate to accurately preset and ma... | 05/25/1993 |
| 5210380 | Digitizer with serpentine-type conductor grid having uniform conductor repeat increments Disclosed herein are position determining apparatus and conductor structures or grids therefor. The conductor structure for each axis includes a number of conductors which are run in a serpentine-type path each with uniform repeat increment. The repeat in... | 05/11/1993 |
| 5194699 | Digitizer tablet with fixed incremented grid portions An electromagnetic digitizer tablet comprising an array of conductors having plural, spaced, similar active portions regularly and uniformly distributed throughout the active tablet region, together with additional structure to distinguish pointing device... | 03/16/1993 |
| 5191480 | Optical accessory for digitizer cursors An accessory for improving the accuracy, and/or facilitating the use, and/or improving aesthetics and/or ergonomics of digitizer cursors is disclosed. The accessory mounts an optical element to the position-sighting aperture on the cursor. In all embodime... | 03/02/1993 |
| 5179254 | Dynamic adjustment of filter weights for digital tablets A digitizer table which employs low pass filtering of raw coordinate data to reduce noise and jitter. A weighted filtering is employed, in which the new position data is averaged with a previous average or previous position data before being reported. The... | 01/12/1993 |
| 5173793 | Liquid crystal shutter for backlit digitizer A digitizer system comprises a source of a light for producing an image, a shutter, and a transparent or translucent digitizer tablet. The source is positioned to direct the image to the tablet via the shutter. The shutter comprises a liquid crystal layer... | 12/22/1992 |
| 5157227 | Digitizer tablet with regional error correction A digitizer tablet exhibiting improved regional error correction comprises evaluation of two linear equations to correct the generated raw coordinates. The equations contain certain constants unique to tablet regions exhibiting similar error patterns. The... | 10/20/1992 |
| 5153386 | Digitizer tablet with illuminable working surface A digitizer tablet is provided in which the working surface is illuminated by a light source which includes optical structure located over the grid or electrode array of the position determining structure of the digitizer to provide a surface-lit tablet, ... | 10/06/1992 |
| 5113042 | Digitizer tablet with reduced radiation susceptibility A digitizer tablet capable of reduced coordinate wobble due to beat interference between an induced display scan rate and the tablet scan rate by introducing a controlled delay to change the time between successive samples to increase the beat frequency t... | 05/12/1992 |
| 5111005 | Graphics tablet with N-dimensional capability A digitizer tablet and puck(cursor) for use therewith, characterized that in one aspect the puck is provided with at least one additional control which will provide the user with the ability to control at least one N-dimensional signal in addition to the ... | 05/05/1992 |
| 5109141 | Digitizer stylus with z-axis side control Stylus for digitizer tablet, with the stylus provided with a finger-actuated side control for controlling the magnitude of a Z-axis signal. The side control remains in the position placed by the user, and preferably comprises a slide switch mounted on the... | 04/28/1992 |
| 5101487 | Method for retrieving compressed data from a memory storing a look-up table A method for storing a k-bit output value for each of a plurality of m-bit input values in a memory having an n-bit word stored at each of 2n n-bit addresses, wherein m, n and k are positive integers, m>n>k and m-nࣙk, the method comprising th... | 03/31/1992 |
| 5066833 | Low power sensing apparatus for digitizer tablets A digitizer tablet consuming less power than is required of current tablets comprises short duration fast rise time energizing pulses, and a resonant circuit in the induced signal detector tuned to the frequency of the pulse repetition rate or preferably ... | 11/19/1991 |
| 5065145 | Method and apparatus for producing signals corresponding to the position of a cursor A method and apparatus for indicating the position of a cursor on a surface in first and second different directions. The cursor is mounted on a member such as a gantry, and the gantry is guided for movement in the first direction on a carriage. The carri... | 11/12/1991 |
| 5061828 | Digitizer stylus with Z-axis side pressure control A digitizer stylus with Z-axis side pressure control, comprising a nib front end resiliently mounted on the stylus housing and cooperating with a Hall-effect transducer such that side pressure on the nib, used like a calligraphic pen or brush, modifies th... | 10/29/1991 |
| 5055831 | Cursor for digitizer tablet A novel cursor construction for a digitizer tablet, wherein the cursor coil is wound on a one-sided bobbin which is then seated in a blind hole of a transparent base, with a crosshair molded into the base and aligned with the coil.... | 10/08/1991 |
| 5051545 | Digitizer with serpentine conductor grid having non-uniform repeat increment Disclosed herein are position determining apparatus and conductor structures or grids therefor. The conductor structure for each axis includes a number of conductors, at least one of which is run in a serpentine path with a non-uniform repeat increment. T... | 09/24/1991 |
| 5028744 | Digitizer with illuminable working surface Digitizer tablet and digitizer tablet structure having an illuminable working surface are disclosed. A space between a top translucent layer having the working surface and a source of light is provided so as to eliminate or minimize undesirable lighting e... | 07/02/1991 |
| 5014044 | Magnification assembly for digitizer cursor An assembly utilizable with a digitizer cursor for increasing the accuracy of position determinations, wherein the cursor has cross-hairs for enabling the positioning of the cursor at a desired point on a digitizing surface, comprises in combination a mag... | 05/07/1991 |
| 5004871 | Digitizer stylus having side switch A stylus having a pressure sensitive side switch for use with digitizer apparatus is disclosed. The pressure sensitive side switch is activated by the application of pressure thereto substantially normal to the axis of the stylus by the finger of a user. ... | 04/02/1991 |
| 5004872 | Digitizer tablet with pressure stylus A digitizer tablet using a pressure-sensitive pointing device preferably containing a linear transducer is provided with the means to convert linear pressure signals to logarithmically-related output counts. The conversion means is programmable to allow o... | 04/02/1991 |
| 5001306 | Distributed optical fiber device for digitizer tablet An optical device comprising a sheet of optical fibers having different lengths so that the fiber ends are distributed uniformly over a given area. The device is mounted in a digitizer tablet above or below its electrode array. When light is pumped into t... | 03/19/1991 |
| 4999462 | Position determining and digitizing method and device A coordinate determining system, tablet, and method wherein the tablet is formed of a sequence of triangular electrodes extending in a first direction, with alternate electrodes having their apexes extending in opposite directions perpendicular to the fir... | 03/12/1991 |
| 4996393 | Digitizer tablet with split-current conductor array An electromagnetic digitizer system employing an interleaved array of individual conductors each in a W configuration bent into plural sections to define plural parallel portions distributed in different segments of a tablet such that each section compris... | 02/26/1991 |
| 4992630 | Digitizer tablet with user customization of stylus proximity and pressure A digitizer tablet provided with menus over the marginal areas in the non-linear boundaries of the regular electrode array. Coordinate signals from the menu areas are processed to vary a parameter of the processing circuitry for the coordinate value outpu... | 02/12/1991 |
| 4990726 | Digitized controller for position locator A digitizer tablet uses sequenced wire addressing to derive time-related voltages correlated to the location of the addressed wires. The voltages are digitized, and an algorithm followed to determine by interpolation the exact position of a pointing devic... | 02/05/1991 |
| 4988836 | Digitizer tablet with integral storage A digitizer tablet providing secure storage therein for the cables, clips, stylus, and cursor is disclosed. A recess molded in the bottom surface of the tablet is partially covered by a plate so that a rectangular pocket is formed. Two channels are also m... | 01/29/1991 |
| 4985602 | Self-locking support for digitizer cover A digitizer tablet is disclosed having a movable cover and a support which automatically stably holds the cover open when the cover is opened. The digitizer tablet comprises a base structure, a cover pivotably connected thereto and a support coupled to th... | 01/15/1991 |
| 4952757 | Low-power electromagnetic digitizer tablet A low-power electromagnetic digitizer table employing triangular-shaped electrodes arrayed in a single plane. A pointing device coil when energized induces signal voltages in the electrodes underneath. The electrodes are scanned in timed relation, and the... | 08/28/1990 |
| 4943689 | Backlit digitizer tablet A backlit digitizer tablet providing uniform illumination of the working surface, comprising biaxial fluorescent lamps supplying wide-area light emission under a sandwich top construction including an apertured shield electrode, a first clear spacer, an e... | 07/24/1990 |
| 4936683 | Optical tablet construction An optical digitizer or tablet employing a linear image sensor behind a microlouver strip and extending along a coordinate axis of a coordinate axes plane. In one embodiment, a non-directional light source floods the plane, and a cursor is provided with a... | 06/26/1990 |
