| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 700166000 | Laser | 29 |
| 20080281460 | Method for adjusting the relative position of device of laser engraver - A method for adjusting the relative position of devices of a laser engraver. The method includes an outputting device of the laser engraver to forms a marked point on a non-working piece. Let the outputting device position the center of the marked point and record it. Then an image sensing device of the laser engraver is moved to the marked point and seeks the center of the marked point. Then, the position point that the outputting device is located is recorded after the outputting device moved according to the movement of the image sensing device. Finally, calculating the distance between the center recorded by the outputting device and the position point recorded after the outputting device moved to obtain the precise distance between the image sensing device and the outputting device. | 11-13-2008 |
| 20090018693 | Apparatus for Projecting an Optical Marking on the Surface of an Article - A device for the projection of an optical marking onto the surface of an object comprises a projection mechanism for the generation of a pencil of rays directed to the surface and a manipulation mechanism for said pencil of rays. In addition, the device comprises a data storage unit for the filing of a default surface geometry of the object and a measurement mechanism for recording actual position values of the surface. The measurement mechanism and the data storage unit are connected to a comparison mechanism for comparing the actual position values with the default surface geometry. The comparison mechanism is control-connected to the manipulation mechanism for controlling said manipulation mechanism depending on the result of the comparison. | 01-15-2009 |
| 20090240368 | Method and Apparatus for Operating an Automated High Temperature Thermal Cutting System - A method for setting up a cutting table for an automated high temperature thermal cutting system can include providing a computer-readable product to, for example, a digital signal processor (e.g., CNC). The computer-readable product can include data for at least one part to be cut from a workpiece (e.g., a part program). A user can be prompted to select values from a menu of mandatory operating parameters (e.g., using a graphical user interface) for a shape of the part to be cut from the workpiece. Mandatory operating parameters can include at least one of an operating current, a gas flow, a thickness of the workpiece, or a material of the workpiece. | 09-24-2009 |
| 20090271025 | Control of a Machining Tool - The invention relates to a method for distributed control of a machining tool ( | 10-29-2009 |
| 20110010003 | APPARATUS FOR FORMING PATTERN USING LASER - An apparatus for forming a pattern using a laser is provided. The apparatus includes a pattern storing unit, a controller, a laser oscillating unit, an X-Y driver, a header unit, and a stage. The pattern storing unit stores data on light guide patterns of a discontinuous straight line shape. The controller transmits position signal of the light guide patterns to the X-Y driver and simultaneously, transmits a switching signal to the laser oscillating unit. The laser oscillating unit outputs a laser beam synchronized with a movement of the header unit. The X-Y driver moves the header unit and the stage. The header unit moves along a first guide rail. The stage moves along a fixed second guide rail in the front and rear direction of the light guide panel. | 01-13-2011 |
| 20110087362 | MACHINING HEAD, LASER MACHINING TOOL, RECEIVING METHOD, MEASURING HEAD, MEASURING METHOD - A machining head of a laser machining tool includes a mechanical connector for connecting the machining head to a component of the laser machining tool, and a light path connector ( | 04-14-2011 |
| 20110313561 | MACHINING ERROR CORRECTOR METHOD USING OPTICAL PICKUP - Disclosed herein is a machining error corrector method using optical pickup. The machining error corrector method using optical pickup according to the present invention includes: calculating absolute coordinates by identifying alignment marks formed at edges of a plate-shaped substrate that is a workpiece to be machined by laser; storing the calculated absolute coordinates as reference position information; moving a plurality of optical pickup units according to a horizontal or vertical direction patterns formed on the plate-shaped substrate; storing the coordinates of the patterns detected by the plurality of optical pickup units as error position information; and correcting actual machining position information by comparing the reference position information with the error position information, thereby making it possible to remarkably improve the substrate machining rate using laser, or the like. | 12-22-2011 |
| 20130178972 | System and Method for Calibrating Laser Cutting Machines - A system for calibrating a laser cutting machine includes a calibration plate arranged to simulate a workpiece; a first quad photodiode (QPD) and a second QPD for converting light including an image of a portion of a surface of the calibration plate into a plurality of electrical signals, wherein the first and the second QPDs are positioned to receive the light propagated from the surface of the calibration plate through the optical path of the laser beam; and a control system for calibrating the laser cutting machine based on the plurality electrical signals. | 07-11-2013 |
| 20130218321 | LASER MACHINING APPARATUS AND LASER MACHINING CONTROL DEVICE - The laser machining apparatus includes a transmission fiber that transmits laser light emitted from a laser oscillator through the fiber, a machining head that emits the laser light, which is sent from the transmission fiber, vertically to a main surface of a machining object and sends reflected light, which is reflected coaxially with the laser light by the machining object, to the transmission fiber, a reflected light monitoring unit that detects a reflected light intensity of the reflected light sent from the transmission fiber, and a control device that controls the laser oscillator and the machining head, in which the control device includes a determining unit that, at a time when laser machining is started, determines whether the machining object corresponds to a machining condition or not in laser machining on the basis of the reflected light intensity. | 08-22-2013 |
| 20130268107 | SURFACE ANALYSIS FOR DETECTING CLOSED HOLES AND METHOD FOR REOPENING - By means of laser triangulation measurements of an uncoated and a coated component having holes, the exact positions of the holes can be detected for reopening after coating. A method for the surface analysis of at least partially closed holes which are to be opened is provided. A process for reopening coated holes is also provided. | 10-10-2013 |
| 20140025191 | Numerically Controlled Workpiece Processing Apparatuses and Related Methods - A method of processing structurally identical workpieces using a numerically controlled workpiece processing apparatus includes processing a first workpiece according to a first desired tool path specified for a tool of the numerically controlled workpiece processing apparatus by closed-loop controlling a working distance between the tool and the workpiece to achieve a defined desired distance, such that when processing the first workpiece, the tool is moved along a distance-controlled actual tool path. The method further includes optimizing the first desired tool path for a second workpiece based on the distance-controlled actual tool path of the first workpiece to provide a second desired tool path and processing the second workpiece according to the second desired tool path. | 01-23-2014 |
| 20140094954 | METHOD AND SYSTEM FOR ADAPTIVELY CONTROLLING A LASER-BASED MATERIAL PROCESSING PROCESS AND METHOD AND SYSTEM FOR QUALIFYING SAME - A method and system for adaptively controlling a laser-based material processing process are provided. The system includes sensing equipment to measure a process variable or condition of at least one of a laser-based material processing system and a workpiece processed by the material processing system and to provide a corresponding measurement signal. The control system also includes a signal processor for processing the measurement signal to obtain a processed signal which initiates, at least semi-automatically, an action associated with at least one of the material processing system and the workpiece. A method and system for at least semi-automatically qualifying a laser-based material processing system which delivers laser energy to locations on or adjacent a plurality of microstructures formed on a workpiece to at least partially process the microstructures are also provided. | 04-03-2014 |
| 20140148939 | METHOD AND APPARATUS FOR LASER PROJECTION, AND MACHINING METHOD - A laser projection method including the steps of: irradiating, from a laser projection unit, a workpiece that is a measurement object, with a laser while controlling a plurality of mirror angles; imaging the workpiece with a stereo camera, extracting a contour of the workpiece, and calculating a three-dimensional coordinate; calculating a positional relationship between the laser projection unit and the workpiece by comparing the calculated three-dimensional coordinate of the workpiece contour with the minor angle; and performing coordinate transformation of CAD data information and drawing CAD data from the laser projection unit to the workpiece, based on the positional relationship between the laser projection unit and the workpiece. The machining method including the steps of: selecting a component of a tool; assembling the component; imaging the tool assembled; and determining whether or not a desired tool has been assembled. | 05-29-2014 |
| 20140195035 | LASER OUTPUT CONTROL DEVICE, LASER OSCILLATOR, AND LASER OUTPUT CONTROL METHOD - A laser output control device controlling a laser oscillator includes: a switching section that switches, based on the basis of the size of a pulse width of a laser output command, a current command value used for controlling output of the laser light to either one of peak value control and average value control; a peak value command generating section generating a current command value for performing peak value control; and an average value command generating section generating a current command value for performing average value control; wherein an output value of the laser light measured by one measuring section is input to the peak value command generating section and the average value command generating section, and the current command value is generated such that the output value of the laser light becomes a value that corresponds to the laser output command. | 07-10-2014 |
| 20140288693 | IMAGE RECOGNITION BASE ABLATION PATTERN POSITION RECALL - Embodiments of the present invention exemplarily described herein relate generally to saving XYZ stage coordinates for intended laser locations as well as a kernel image of an ablation pattern placed during a scan placement process, and comparing the kernel image to a current image of the current field of view of a camera/microscope that includes the location a laser would be fired at. This comparision is used during an experiemental run to correct for any built up error. More particularly, embodiments of the present invention relate to apparatuses and methods for software based image recognition to correct errors in open looped systems for positioning a sample relative to a laser in analysis systems for zircon crystal grain dating. | 09-25-2014 |
| 20140330424 | Method for Controlling Redundantly Actuated Machines for Cutting a Pattern of Disconnected Contours - A method controls a machine with redundant actuators according to pattern of disconnected contours, wherein the machine includes redundant actuators by first generating a set of initial trajectories from the pattern. Each initial trajectory corresponds to one of the disconnected contours, or a path from an exit point of one contour and an entry point of a next contour. A set of costs for the set of initial trajectories is determined. A sequence of final trajectories is determined based on the set of costs. Then, a set of commands is generated for controlling the machine according to the sequence of final trajectories. | 11-06-2014 |
| 20150057787 | MICROCHIP-TYPE OPTICAL MEASURING APPARATUS AND OPTICAL POSITION ADJUSTING METHOD THEREOF - To provide a microchip-type optical measuring apparatus which is able to automatically perform position adjustment of a microchip with respect to an optical axis of laser with high accuracy. | 02-26-2015 |
| 20150066193 | COMPUTING DEVICE AND METHOD FOR COMPENSATING STEP VALUES OF MACHINING DEVICE - In a method for compensating step value of a processing product placed on a machining device using a computing device, a machining tool of the machining device is controlled to be moved to each benchmark point in sequence. Actual coordinate values of each benchmark point is calculated by a laser detection device of the machining device. The acquired actual coordinate values are fitted to be a benchmark plane. New coordinate values of each machining point in a machining program is acquired by rotating each of the machining points to the benchmark plane. The machining tool is controlled to move to each machining point according to the calculated new coordinate values and an actual z coordinate value of each machining point is acquired using the laser detection device. The step compensation value in Z-axis of the each machining point is calculated and transmitted to the machining device. | 03-05-2015 |
| 20150105899 | LASER ASSISTED MACHINING SYSTEM FOR CERAMICS AND HARD MATERIALS - An improved apparatus and method for laser assisted machining are provided, by utilizing a computer to develop interrelated heating and machining plans, from a variety of input data describing the material to be machined, the properties of lasers and pyrometers used for heating the material, and computer models of the machining arrangement, workpiece and final part to be produced. An iterative process continues until the machining and heating plans result in the cutting zone of the workpiece being maintained at a desired temperature with no obstruction in the line-of-sight of at least one laser and pyrometer throughout the machining process, while also maintaining the cutting tool at or below a desired maximum temperature. | 04-16-2015 |
| 20150127137 | Identifying Components in a Material Processing System - An automated material processing system is provided for processing a workpiece using a processing table. The system includes a replaceable component comprising at least one cutting head consumable, one or more radio frequency identification (RFID) signal devices disposed in or on the replaceable component, and at least one reader communicatively connected to the one or more signal devices. The one or more signal devices are encoded with information about the replaceable component and the reader is configured to sense the information encoded on the one or more signal devices. In addition, the system includes a computing device communicatively connected to the reader for (i) processing the information transmitted by the reader and (ii) configuring a set of operating parameters of the material processing system based on the sensed information. | 05-07-2015 |
| 20150290735 | METHODS AND SYSTEMS FOR WELD CONTROL - A welding location progresses along a weld path by arranging relative motion between a welding head and workpieces. A controller controls the actuator to correct transverse deviation of said weld location relative to a target position on said workpieces. A monitoring apparatus comprises a workpiece tracking sensor configured to observe a shape profile of the workpieces in the vicinity of the welding location and a weld tracking sensor for obtaining a thermal profile of the workpieces, at a location downstream of the welding location. The apparatus compares observations made by the two sensors in a common reference frame, to detect and correct transverse deviation of the welding location relative to a target position on the workpieces. The apparatus may be applied in a spiral pipe mill. | 10-15-2015 |
| 20150298252 | LASER MACHINING METHOD AND LASER MACHINING DEVICE - Laser light L is converged at an object to be processed | 10-22-2015 |
| 20150343566 | REMOTE FEATURE MEASUREMENT - A system includes a machining subsystem to machine features and an laser-line imaging subsystem to measure said features. | 12-03-2015 |
| 20160008981 | Metrology-Based System for Operating a Flexible Manufacturing System | 01-14-2016 |
| 20160018810 | LASER PROCESSSING SYSTEM FOR PROCESSING WORKPIECE WITH LASER - A laser processing system that processes a workpiece with a laser includes a processing interruption unit that interrupts laser processing of the workpiece in accordance with an interruption signal, a processing resumption unit that resumes the laser processing of the workpiece after the interruption signal is cancelled, and an interruption point visualizer providing unit that provides the workpiece with an interruption point visualizer that allows an interruption point on the workpiece where the laser processing is interrupted by the processing interruption unit to be visually recognized. | 01-21-2016 |
| 20160082545 | NC PROGRAM GENERATING DEVICE AND NC PROGRAM GENERATING METHOD - Provided is an NC program generating device that generates an NC program used in laser machining, using a rapid traverse command that moves a relative position between a machining head and a workpiece at a first movement speed, and a linear interpolation movement command that moves the relative position at a second speed, while causing the relative position to trace the workpiece, the device comprising: a movement time calculation unit that calculates a first movement time of the relative position when using the rapid traverse command and a second movement time of the relative position when using the linear interpolation command, a movement method selection unit that selects the movement command corresponding to the shorter time of the first movement time and the second movement time, and an NC program generating unit that generates an NC program by setting the selected movement command between the machining points. | 03-24-2016 |
| 20160147214 | THREE-DIMENSIONAL LASER PROCESSING APPARATUS AND POSITIONING ERROR CORRECTION METHOD - A three-dimension laser processing apparatus including a laser source, a zoom lens set, a scanning mirror module, a visual module unit and a control unit is provided. The laser source provides a laser beam. The zoom lens set and the scanning mirror module are both located on the transmitting path of the laser beam. The visual module unit has a visible area. The control unit is electrically connected with and adjusts the zoom lens set and the scanning mirror module to make the laser beam focused on a plurality of reference surfaces in a three-dimension working space and make a plurality of positions of an image in the three-dimension working space focused on a center of the visible area correspondingly through the zoom lens set and an image lens set of the visual module unit. Besides, a positioning error correction method is provided. | 05-26-2016 |
| 20170235293 | MOVING MATERIAL DURING LASER FABRICATION | 08-17-2017 |
| 20190146460 | LASER MACHINING METHOD, CONTROLLER, AND ROBOT SYSTEM | 05-16-2019 |
