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| Number | Title | Issue Date |
| 7368887 | Servo control device and method of adjusting servo system A servo control device that displays, by a two-dimensional image, evaluation of control precision of a servo system, includes: an instruction unit that instructs a position instruction having periodicity; a unit that records a track of position data based on a posit... | 05/06/2008 |
| 7227328 | Method for detecting a possible collision of at least two objects moving with respect to each other A method is for detecting a possible collision of at least two objects moving with respect to each other by simulating the intended relative motion of the two objects. At least one of the objects is assigned an envelope surrounding the object, the path line represen... | 06/05/2007 |
| 7213690 | Self-powering shock, vibration and acoustic isolation system A shock and vibration isolation system for mounting equipment to a base wall uses a semi-active damper in parallel with a spring arrangement to provide optimum isolation with respect to both shock and vibration. The system comprises a load plate configured for attac... | 05/08/2007 |
| 7152456 | Automated robotic measuring system An automated coordinate measuring system comprising a measuring arm used for acquisition of geometry data that incorporates an exoskeletal structure resilient to physical perturbations including thermal changes and vibrations which may affect coordinate data acquisi... | 12/26/2006 |
| 6942470 | Motor pump system with axial through flow utilizing an incorporated flowmeter and pressure controller Motor pump system includes an electromagnetic motor comprising a main body, a coil, and a movable hollow free piston. A flow meter is coupled to one end of the electromagnetic motor. A cylinder block is coupled to another end of the electromagnetic motor. At least t... | 09/13/2005 |
| 6781339 | Method of controlling an electronic cam type rotary cutter, and method of producing an electronic cam curve A method of controlling an electronic cam type rotary cutter or sealer driven by a servo motor. The method comprises preparing a correct position pattern for a whole region including cutting or sealing and non-cutting or non-sealing zones. An electronic cam curve of... | 08/24/2004 |
| 6294890 | Robot controller A robot controller is provided which can smoothly switch the mode between a position control in a free space and a position or force control to a contact surface, so that even if the contact surface has an unknown geometric error, the control system mode ... | 09/25/2001 |
| 6064168 | Method of controlling robot movement A method of controlling movement of a robot includes moving only the wrist portion about two of the wrist axes to achieve a repeated and cyclical movement, such as a back-and-forth movement of the tool relative to a preselected path. Since only the wrist ... | 05/16/2000 |
| 5592078 | Method and apparatus for moving along a boundary between electromagnetically different materials A detector and tracker using a three coil sensor for is disclosed. The detector detects eddy current variations caused by differences in electromagnetic characteristics in two adjacent materials. The eddy current variations are measured and compared to de... | 01/07/1997 |
| 5477119 | Tracing control system A tracing control system for tracing a groove counter can easily measure the groove contour formed on a three-dimensional model surface. A tracer head is provided with a stylus having a size enabling the stylus to slide in a groove formed on the model sur... | 12/19/1995 |
| 5463201 | Seam-tracking apparatus for a welding system employing an array of eddy current elements A seam-tracking apparatus for a welding system has a welding arm which directs an energy beam toward a seam. The seam-tracking apparatus includes an eddy current sensor formed by an array of eddy current elements, each producing a respective electrical si... | 10/31/1995 |
| 5436543 | Device for duplicating irregular shapes There is disclosed a device for the duplication of irregular shapes that must be reproduced on a surface but cannot be traced directly on the surface. The device includes a stylus, a length of chain or the like attached to the stylus, and a duplicator att... | 07/25/1995 |
| 5387852 | Method of determining tool running path in N/C system In an numerical control machining system, a plurality of parts on a work are cut into predetermined shapes with one cutting tool by moving back and forth the cutting tool a plurality of times for each part to be cut. When determining a tool running path, ... | 02/07/1995 |
| 5265195 | Control robot with different axial direction shafts Disclosed is a control robot having a machining tool comprising a rotatable tool for grinding at the distal end of the robot arm thereof so as to carry out grinding work with pressing the machining tool against the surface of a work to be machined under p... | 11/23/1993 |
| 4878003 | Process and installation for the automatic control of a utility vehicle A method and an apparatus for automatically steering a vehicle intermittently associated with a stationary guide structure. A sensor detects the distance between the vehicle and the guide structure to provide an actual value signal, which is compared with... | 10/31/1989 |
| 4851750 | Deceleration control for tracer control equipment In tracer control equipment which controls the relative feed rate between a tracer head (1) and a model by controlling a motor (12X to 12Z) according to a displacement signal (&3xb5;x to &3xb5;z) from the tracer head, a deceleration ... | 07/25/1989 |
| 4830261 | Eddy current tool positioning system A tool positioning system comprises a discontinuity detection means, such as an eddy current system, for detecting a discontinuity within a workpiece resulting from a joint between a first piece of material relative to a second piece of material, the disc... | 05/16/1989 |
| 4754404 | Method of incising the contour in an image film A method of cutting a contour in an image film according to the present invention includes a rough contour-selecting and recording step in which a rough contour of required portions in the image film are memorized in the form of coordinates X, Y; and erro... | 06/28/1988 |
| 4739235 | Profile control apparatus for thermal working machine In a thermal cutting machine provided with an NC system of the type having a manual pulse generator allowing the operator to manually adjust the working head height from a workpiece a profile control apparatus is provided to maintain a reference distance ... | 04/19/1988 |
| 4617504 | Positioning device The invention relates to an adaptive control tool holder for fixing to the end of the carrier of a robot, controlling the displacement of said end in accordance with a stored path. The tool holder defines a degree of freedom about an axis and a degree of ... | 10/14/1986 |
| 4571479 | Welding machine with automatic seam tracking An automatic tracking welding machine includes a pair of rotatably mounted sensors 6a, 6b disposed in advance of a welding torch 3 and coaxial therewith for detecting magnetic leakage flux across a weld line gap 10. The sensors are driven to equalize thei... | 02/18/1986 |
| 4554834 | Acoustic sensor and method of using same for determining the position of a tool relative to a workpiece An acoustic sensor and method of using same for determining the position of a tool from a workpiece are disclosed in which a piezoelectric transducer having a curved surface emits a sound wave which strikes the workpiece and is reflected back to the senso... | 11/26/1985 |
| 4513195 | Method and apparatus for the lateral positioning of a member relative to a joint The invention relates to a method and apparatus for the lateral positioning of a member relative to a joint formed between two metal surfaces and having discontinuities. Use is made of an eddy current sensor having at least two probes staggered in the dir... | 04/23/1985 |
| 4486695 | Profile measurement control for a gear measuring machine The profile measurement control comprises a potentiometer adjustable by means of a lever. The voltage tapped-off the potentiometer is attenuated via a resistance network proportional to the radius of the base circle disc and additionally via an encoding s... | 12/04/1984 |
| 4459526 | Multi apertured lens shock wave probe There is disclosed a system for guiding, positioning, and measuring through robot control, a tool and a work zone relative to each other, by a noncontacting probe of at least one transceiver for generating shock waves, and for sensing their reflections, w... | 07/10/1984 |
| 4441010 | Process and apparatus for the lateral positioning of a member relative to a joint Process for the lateral positioning of a member relative to a joint formed between two metal surfaces and having discontinuities and using at least one eddy current probe, wherein the signal supplied by each of the probes are processed to obtain at least ... | 04/03/1984 |
| 4349182 | Tape-controlled metal cutting apparatus Apparatus for cutting a metal workpiece including pipe in any desired shape and in a cutting cycle governed by a numerical controller having a plurality of separate output control signal channels. The apparatus is highly versatile and automatically operab... | 09/14/1982 |
| 4326155 | Shockwave probe Probe method and means are disclosed for guiding and positioning a robot-actuated tool, such as a gripper or a welding head, through at least one transceiver for generating and sensing focused shockwaves, the probe being associated with the tool for relat... | 04/20/1982 |
| 4298785 | Method and device for automatically tracking systems to the center of weld gaps, weld joints and weld reinforcements An arrangement for automatically tracking systems to the center of weld gaps, weld joints or weld reinforcements, in which one or more electrically scanning probes receive signals reflected by a workpiece surface as long as this surface is substantially p... | 11/03/1981 |
| 4276503 | Method and apparatus for servo-controlling a rotating workpiece Method and device of servo-controlling a rotating workpiece in relation to a member such a tool capable of translational motion along a system of two mutually perpendicular axes as a function of a desired rate of transit of the periphery of said workpiece... | 06/30/1981 |
| 4249062 | Apparatus and method for sensing welding point in automatic welding apparatus An automatic welding apparatus comprises a welding torch including an electrode and a fixture for fixing a workpiece, and a relative positional relation of the welding torch and the workpiece fixture is controlled such that the electrode of the welding to... | 02/03/1981 |
| 4242620 | Automatic welding line tracing method and apparatus An automatic welding line tracing method and apparatus for causing a welding torch to follow the welding line by using a single non-contact-type sensor for detecting the welding line which is continuously reciprocated to traverse the groove of two pieces ... | 12/30/1980 |
| 4236105 | Digital center tracking system A digital servo system for maintaining a detection device, such as a light beam, centered as closely as possible over an information track, such as an optical track on a video recording disc. The servo system includes circuitry for detecting when the ligh... | 11/25/1980 |
| 4234837 | Digital center tracking system A digital servo system for maintaining a detection device, such as a reading beam, as nearly as possible centered with respect to an information track, such as an optical track on a video recording disc. In each of the embodiments disclosed, circuitry is ... | 11/18/1980 |
| 4215299 | Adaptive path following motion control system for welding head assembly A position control system for a welder includes a probe pivotably supported on the welding head assembly for motion through an arc extending ahead of the path of motion of the welding head. A sensor supported on the probe connects to a control system whic... | 07/29/1980 |
| 4206391 | Apparatus for tracking a seam Apparatus for tracking a seam between two work members comprising a sensor including a housing with an insulating mounting board therein carrying two first ferrite cores and two second ferrite cores on the upper surface thereof, the two first ferrite core... | 06/03/1980 |
| 4192986 | Method and apparatus for automatic weld line tracing A method and apparatus for automatic weld line tracing using a non-contact sensor for detection of a weld line, which sensor is continuously reciprocated across the groove. Signals produced from the sensor during the reciprocation are compared at the ends... | 03/11/1980 |
| 4125943 | Method and apparatus for detecting the shapes of weld beads A mechanism for driving a sensor for detecting the shapes of weld beads is completely separated from a mechanism for driving a welding torch with the sensor being operative independently of the welding torch. Prior to or during a welding operation, the se... | 11/21/1978 |
| 4104684 | Rotary head type magnetic video recording and reproducing system A recorded signal reproducing system includes a signal generator circuit which produces a tracking control signal in response to an output from a detection circuit which detects that a difference between an output of a peak hold circuit which holds a maxi... | 08/01/1978 |
| 4088939 | Guiding an untracked vehicle along a predetermined guide path Three sensing coils are located on a vehicle, staggered longitudinally in known distances from each other along the vehicle. The sensing coils pick up the field of a conductor buried in the surface over which the vehicle is to operate and energized with a... | 05/09/1978 |
