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...During the Civil War, the Confederacy established its own Patent Office which issued 266 patents, a third of which concerned implements of war.
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| Number | Title | Issue Date |
| 7319466 | Method and apparatus for generating and interfacing with a haptic virtual reality environment A method for generating a haptic interactive representation including the steps of defining a haptic interaction space and building a hierarchical construct, for use within the haptic interaction space, using a plurality of underlying constructs. In one embodiment t... | 01/15/2008 |
| 7316170 | Method and measuring configuration for measuring backlash at an axial joint A method measures the backlash at an axial joint of an industrial robot having a first and a second robot knuckle that are movably connected to each other in a direction of rotation by the axial joint. A load-transmitting device applies a predeterminable force alter... | 01/08/2008 |
| 7284334 | Geometrical layout system for establishing dimensions from a fixed point to specifically targeted architectural, structural, mechanical or site locations A geometrical layout tool and method for locating a plurality of target points spaced apart over a particular area from a single reference point located within that area which is defined by the intersection of mutually perpendicular lines. A template placed over the... | 10/23/2007 |
| 7275330 | Three axial displacement measuring apparatus Disclosed is a three-axial displacement measuring apparatus. The three-axial displacement measuring apparatus includes: a fixation grip fixed to one surface of a hanger supporting a structure to be measured; a universal joint connected to the fixation grip which is ... | 10/02/2007 |
| 7191527 | Linear distance measurement by non-driven arm The linear distance measurement apparatus comprises a non-driven arm that is mounted such that an arc movement of the arm describes a linear distance. A rotary sensor mechanism is coupled to the non-driven arm. The sensor measures the arc movement of the arm and tra... | 03/20/2007 |
| 7103499 | 3-D selection and manipulation with a multiple dimension haptic interface Systems and methods provide a user the ability to select three-dimensional virtual objects in a three-dimensional modeling environment using two-dimensional representations of the objects. In broad overview, the invention involves a multidimensional degree of freedo... | 09/05/2006 |
| 7069664 | Portable coordinate measurement machine A portable coordinate measurement machine comprises an articulated arm having jointed arm segments. The arm includes joint assemblies which include at least two read heads in communication with a periodic pattern of a measurable characteristic, the pattern and read ... | 07/04/2006 |
| 7017275 | Portable coordinate measurement machine with improved handle assembly A portable coordinate measurement machine comprises an articulated arm having jointed arm segments. The arm includes a probe at one end thereof. The probe also includes improved switches and a measurement indicator light. ... | 03/28/2006 |
| 6996912 | Method for improving measurement accuracy of a portable coordinate measurement machine A method for improving the measurement accuracy of a portable coordinate measurement machine which comprises an articulated arm having jointed arm segments is presented. This method includes sensing deformation of a portion of the articulated arm when the arm is pla... | 02/14/2006 |
| 6973734 | Method for providing sensory feedback to the operator of a portable measurement machine A method for providing feedback to the operator of a portable coordinate measurement machine which comprises an articulated arm having jointed arm segments is presented. The method includes sensing deformation of a portion of the articulated arm when the arm is plac... | 12/13/2005 |
| 6965843 | Portable coordinate measurement machine with integrated line laser scanner A portable coordinate measurement machine comprises an articulated arm having jointed arm segments. The arm includes a measurement probe having an integrated line laser scanner rotatably mounted thereon. ... | 11/15/2005 |
| 6957496 | Method for improving measurement accuracy of a portable coordinate measurement machine A method for improving the measurement accuracy of a portable coordinate measurement machine which comprises an articulated arm having jointed arm segments is presented. This method includes sensing deformation of a portion of the articulated arm when the arm is pla... | 10/25/2005 |
| 6958752 | Systems and methods for three-dimensional modeling Systems and methods for modifying a virtual object stored within a computer. The systems and methods allow virtual object modifications that are otherwise computationally inconvenient. The virtual object is represented as a volumetric representation. A portion of th... | 10/25/2005 |
| 6952882 | Portable coordinate measurement machine A portable coordinate measurement machine comprises an articulated arm having jointed arm segments. The arm includes joint assemblies which include at least one read head together with one or more (preferably five) sensors (preferably proximity sensors) in communica... | 10/11/2005 |
| 6946812 | Method and apparatus for providing force feedback using multiple grounded actuators An apparatus and method for interfacing the motion of a user-manipulable object with a computer system includes a user object physically contacted or grasped by a user. A 3-D spatial mechanism is coupled to the user object, such as a stylus or a medical instrument, ... | 09/20/2005 |
| 6178376 | Method and arrangement for recording and using geographic data A method of recording, into a data base of a navigation and positioning system, of geographic data of geographic places selected in a predetermined geographic zone, by selecting two points on a geographic map of said zone, defining these points by their g... | 01/23/2001 |
| 6061916 | Head tracking system A head tracking system 10 comprises a radiation emitter 18 and a radiation sensor 16 connected to a tracking processor 12. The emitter 18 has an output 46 producing radiation with spectral peak in the range 1000 nm to 1100 nm from a conventional LED 40 wi... | 05/16/2000 |
| 5758429 | Translation and rotation coupled positioning method and apparatus A positioning method and apparatus is disclosed in the form of a coordinate measurement machine for transmitting movement in three degrees of freedom, where two degrees of freedom are achieved by translational motion and the third degree of freedom is ach... | 06/02/1998 |
| 5452516 | Process for determining the position of a helmet Helmet positioning measurement system enabling the determination of the position in space of a helmet by measuring at least three distances (D1, D2, D3. . ) between at least three points located on the helmet (C1, C2, C3. . . ) and three corresponding poi... | 09/26/1995 |
| 5189797 | Apparatus for measuring the shape or position of an object The measurement apparatus comprises a stand supporting a series of measurement segments hinged to one another and having angular position sensors for sensing the angular positions of the measurement segments, a series of hinged support segments adjacent t... | 03/02/1993 |
| 4961267 | Method and apparatus for making coordinate measurements The invention is directed to a coordinate measuring apparatus which includes an elevation measuring device. The elevation measuring device is connected with a stationary granite table via one or several linkage arms for determining the planar coordinates.... | 10/09/1990 |
| 4945650 | Measurement digitizer A new drive system bidirectionally "interconverts" (directs and receives in equal amounts) linear and rotary motions permitting precision linear measuring over long distances. The "convex" surface of coilable rack 30 interlocks with rotatable coupling 262... | 08/07/1990 |
| 4922618 | Polar co-ordinate digitizer An improved polar co-ordinate digitizer where a cord extensible from a base unit moves a cord guide to provide an angle measurement and is wrapped on a drum whose movement reflects a length measurement. Lateral pressure on the cord guide is minimized by a... | 05/08/1990 |
| 4879812 | Aerial map navigational aid A pair of transparent pressure sensitive stick-on film disks in the form of compass roses and a pair of transparent film VOR arms are removably attached to the center of the roses by cooperating male/female snap mechanisms. The VOR arms can be manually ro... | 11/14/1989 |
| 4866852 | Aeronautic chart removably attachable course and position locator An aeronautic chart course and position locator is removably attachable by means of an adhesive backing to an aeronautic chart. The locator is made from a clear supple polymer film and comprises a 360 degree compass rose and a rotatable course and mileage... | 09/19/1989 |
| 4704798 | Measurement digitizer A process is disclosed for a perforated rack that is thin, normally curved in cross section, rigidly straight but coilable, and containing perforations adjacent at least one of its longitudinal sides. A new system for the interconversions of linear and ro... | 11/10/1987 |
| 4691446 | Three-dimensional position measuring apparatus Apparatus for determining the position of a point movable throughout a measuring volume relative to a set of reference axes includes a probe member (10) having a probe tip (11) defining the position of the movable point. The measuring probe (10) also has ... | 09/08/1987 |
| 4676002 | Mechanisms to determine position and orientation in space A system to move an object in space. The system includes a structural mechanism having interconnected structural beams for applying translational forces and movements to position an object held by the structural mechanism. The system has a measuring mecha... | 06/30/1987 |
| 4513505 | Device for indicating the polar coordinate position of a given point anywhere within a circular area A fixed member has angular indicia circumscribing a given area. A first disc is rotatable about an axis at its center and at the center of the angular indicia, and a second disc is rotatably secured to the first disc about an axis parallel to the axis of ... | 04/30/1985 |
| 4483073 | Hi jump step saver standard A measuring device for use with hi-jump standards to aid jumpers in determining their in-run starting points approaching the high jump in practice or in competition. The device includes a base member having a 0 to 180 degree scale, whose end points are pa... | 11/20/1984 |
| 4455748 | Position locating apparatus and method A technique for plotting the provenience of an archaeological artifact with respect to a fixed reference point is disclosed herein. This technique utilizes an apparatus including a base assembly positionable at the fixed reference point, means movable to ... | 06/26/1984 |
| 4402350 | System for the control of a marine loading arm A system for sensing the position in space of the outer end of an articulated loading arm connected to a marine tanker or other transport vessel, for predicting if the arm will move outside a safe operating envelope, for discontinuing the flow of fluid be... | 09/06/1983 |
| 4384407 | Three dimensional coordinate measuring apparatus This invention discloses a three dimensional including contour tracing means such as an orthogonal coordinate mechanism and a polar coordinate mechanism having a probe which can trace the contour of a thing defined by a section, a processing means for pro... | 05/24/1983 |
| 4381608 | Method for interpolating between cartesian and rotary coordinates in machines A method for interpolating between a Cartesian coordinate axis and an axis of rotation of a numerically controlled machine. The axis of rotation of the numerically control machine is treated, from a control standpoint, as a linear Cartesian axis. Computin... | 05/03/1983 |
| 4240205 | Coordinate measuring machine A coordinate measuring machine for measuring parts using cylindrical coordinates. The machine includes a base, an articulated arm mounted to the base at its proximate end for movement within a plane, and a vertically movable probe assembly mounted near th... | 12/23/1980 |
