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Match Document Document Title
7295292 Methods and systems for measuring an aberated wave front  
Methods and systems are described for a system for measuring aberrations in a wave front. In the improved system multiple closely-spaced, small-aperture laser beams traverse an aberrating flow that...
6920249 Method and measuring instrument for determining the position of an edge of a pattern element on a substrate  
A method and a measuring instrument for determining the position of an edge to be measured on a pattern on a substrate are described. A complete, nonlinear model intensity profile, which identifies...
6815702 Method and apparatus for detection of an edge of a printing plate mounted on a drum imaging system  
A method and apparatus is disclosed to precisely locate an edge of an imageable plate mounted on a drum or other support surface. A light source and light sensor are used to measure the difference...
6596987 Methods and systems for monitoring combustion condition  
A method and a system for monitoring combustion condition are provided for monitoring the state of combustion in a garbage incinerator, an internal combustion engine, or the like. Combustion...
6591155 Methods and apparatus for calculating alignment of layers during semiconductor processing  
Methods and apparatus for calculating alignment of layers during semiconductor processing are described. In one embodiment, first and second alignment targets are formed over a substrate and...
6543972 Device to help determine key cut attributes  
The invention relates to a key decode apparatus for helping to automatically extracting and measurement depths and spacings of cuts an object key and decodes when duplicating an original key. A key...
6338015 Steering control system for vehicle  
A system for controlling steering of a vehicle, including a steering means such as a steering wheel with an electric motor which assists steering of the driven wheels of the vehicle, first steering...
6338013 Multifunctional mobile appliance  
The invention is a multifunctional, mobile appliance capable of performing a variety of tasks safely, quietly, without pollution, and out of sight of its owner. Such tasks might include lawn...
6220158 Rotation-angle measurement for printing presses  
A rotation-angle measurement for printing presses with at least one marking (2) arranged on a rotating element (1) and at least one sensor (3,4) which detects marking (2). The at least one marking...
6065911 Method and apparatus for automatically making keys  
The invention relates to an improved key making machine that automatically extracts characteristics of an object key without human intervention. The position and alignment of the object key is...
5974347 Automated lawn mower  
An improved automated, self propelled lawn mower (14) utilizing a rotating directional loop antenna (36) that determines its position within the cutting area by measuring the angle between...
5908273 Key duplication apparatus and method  
In a method and apparatus for duplicating an original key, the keyway and keycode of the original key are measured and duplicated in a preform. The preform used in the duplication process need not...
5869945 Infrared scanner  
A scanner which includes a motor for driving a load and circuitry for providing a position error signal responsive to the difference between a predicted position of the load and the actual position...
5864145 Optical tracing system for measuring elevation of a reference body above a reference surface  
The invention provides an optical tracing system for measuring elevation of a reference body above a reference surface, comprising a laser transmitter radiating a light beam in a downward...
5807042 Method and apparatus for automatically making keys  
The invention relates to a key making machine that automatically extracts characteristics of an object key without human intervention. An object key is automatically aligned, key characteristics...
5646723 Combined earth sensor  
An earth sensor for use in orbiting satellites over an altitude range between low earth orbit (LEO) and geosynchronous orbit (GEO) and beyond employs a combination of both visible wavelength senor...
5373150 Line tracing method and apparatus therefor  
A FIG. 1 is taken by a camera having optical/electrical elements arrayed in matrix, signals of pixels of the picture taken by the camera 2 are converted into binary data in a binary circuit 11, and...
5357096 Line tracing method and line tracing apparatus  
A FIG. 1 is taken by a camera having optical/electrical elements arrayed in matrix, signals of pixels of the picture taken by the camera 2 are converted into binary data in a binary circuit 11, and...
5351309 Image edge sensor  
An image sensor comprised of an array of photo-sensing devices is devised to generate digital images of objects. Each photo-sensing device consists of four identically shaped photo-sensitive...
5350912 System for controlling movement of a mobile body along a target path  
A mobile body such as an automobile is controlled to move substantially along a target path by a control system. The control system determines a target point on the target path, a control quantity...
5319186 Apparatus for controlling the movement of a tool along the edge of glass panes  
The apparatus comprises a horizontal conveyor (1), on which the glass panes (4) are conveyed while they are supported by backing means (2), which by their supporting forward surface define a plane...
5262797 Monitoring and controlling quality of pen markings on plotting media  
A method of monitoring and controlling the quality of pen markings on a plotting medium by qualifying each pen based on optically sensing across a sample line drawn on an actual medium. During each...
5243265 Non-contact tracing control apparatus  
A non-contact tracing control apparatus is disclosed which traces the surface of a model by using at least two optical distance detectors for detecting the distances therefrom to the model. When a...
5225827 Warning device in a motor vehicle for detection of unintentional change of course  
The invention relates to a warning device in a motor vehicle for detection of unintentional change of course. The invention utilizes existing white road lines being scanned by two detectors (A)...
5210399 Optical probe head with mounting means providing a free recalibration of the sensing head after a collision  
An optical probe head has a front optic and an annular enclosure surrounding the front optic. The enclosure contains the illuminating device of the probe head. The front optic is rigidly attached...
5173598 Optical scanning beam position control system which is free of modulation by tracking error  
Apparatus for scanning tracks in an information plane of a record carrier by means of three beams. The radiation from each one of the three beam spots is push-pull detected by one of three split...
5170047 Optical sensor for plotter pen verification  
An optical sensor for monitoring plotter pen performance by sensing the quality of lines drawn on a medium. An LED emitting green light beam is angularly directed toward an underlying line so as to...
5144131 Device for optically scanning an information plane detecting border portions of light beam  
An optical scanning device for scanning an information plane (2) having tracks is described, which device comprises a radiation source (4) supplying a scanning beam (3) and an objective system (5)...
5144130 Method for the electrical adjustment of an optical row of sensors  
There is disclosed a method for the adjustment of an optical row of sensors which, for guiding a driverless vehicle along an optical guideway, is secured at the vehicle transversly with respect to...
5130523 Coordinate measuring machine with improved flexure and clamp for fiber optic connection  
A coordinate measuring machine (10) having laser interferometers (80, 176, 196) arranged to measure "X" and "Y" carriage (52, 16) and probe shaft (56) motions, in which fiber optic cables (66, 72)...
5128531 Optical profile reader, particularly for key duplicating machine  
A optical profile reader, particularly for key duplicating machines, incorporationg a photoemitter (16) positioned on one side of the profile (11) to be read, and a photodetector (21) facing the...
5079543 Monitoring device for at least one current pickup of a conveyor truck in a conveyor system running on tracks  
A monitoring device is provided for at least one current pickup of a conveyor truck in a conveyor system running on tracks, whereby when viewed in a direction of travel the current pickup has a...
5066854 Method of and apparatus for guiding a self-steering vehicle along an optical guideway  
There are provided a method of and an apparatus for guiding a self-steering or driverless vehicle along an optical guideway. The hitherto known systems, which relate to optical scanning of an...
5041722 Method of guiding movement of unmanned vehicle by following a number of luminous points  
An improved method of guiding the movement of an unmanned vehicle. A number of luminous points are arranged on a movement passage for the unmanned vehicle in the form of an arrangement pattern...
5013901 Tracking control method for eliminating a tracking error due to a movement of an objective lens  
A tracking control method in which at least an objective lens within an optical pick-up is so controlled as to be driven in a radius direction of an optical disk having grooves (in a direction...
4988200 Apparatus for automatic tracking and contour measurement  
Apparatus for automatic tracking and contour measurement comprising electro-optical sensing apparatus mounted on a CNC machining head for providing an output indication of contours of an object in...
4985847 Visual sensor system  
A visual sensor system includes a moving object movable along a two-dimensional plane, and a one-dimensional array of photosensitive means fixedly mounted on the moving object. The photosensitive...
4944826 Method and apparatus for preparing a screen printing screen  
A method of patterning a perforated screen printing screen (9) having a lacquer coating filling its perforations (10), using a laser engraving device, includes the steps of locating the position of...
4937593 Print head position control system  
A print head position control system for a printer in which a print head moves along a track and in which a light source illuminates along the track and a photodetector receives the light to...
4933541 Method and apparatus for active vision image enhancement with wavelength matching  
A method and apparatus for optically inspecting the geometry of a surface in an environment which is subject to the presence of external light noise perturbations. A beam of monochromatic light...
4924455 Apparatus for generating tracking error signals in a differential phase detection system  
A tracking servo signal is generated for use in an optical disc pick-up system, being particularly advantageous for use when the depth of the pits is greater or less than one-fourth the wavelength...
4888478 Line tracer improved corner circuit with speed varying sampling  
In an optical pattern tracer which uses sample and hold circuits for signal processing filtering of the signal to reduce undershoot can be attained by manipulation of the sample and hold processing...
4884224 Method for generating image contour data and apparatus therefor  
An image contour data generating apparatus comprises a digitizer for holding an original film having a section which is bounded by a particular contour. The digitizer serves for inputting...
4872105 Curve following apparatus  
Curve following apparatus for providing digital output signals indicative of the mathematical shape and/or location of a curve comprising a scanning means having a large number of individual...
4866687 Optical disc access method and optical disk storage using coarse and fine actuators  
An optical disk storage access method using a fine and coarse actuators for positioning a light spot to an intended track on the disk, wherein a pulse is generated each time the light spot has...
4864118 Optical scanning unit with tracking error detection  
A scanning unit for an optical disc record carrier includes a radiation-sensitive detection system having a plurality of detection elements on which is formed a reflected image of the scanning spot...
4855981 Method and device for reading out optically recorded data and compensating for a drastic change in the position of a line to be read  
Method and a device for reading out optically recorded data from an optical recording medium having data recording regions defined by reference lines in stripe and plural data tracks arranged in...
4811061 Polychromatic mutual alignment device for an aiming apparatus  
A polychromatic mutual alignment device for an aiming apparatus includes an optical mixer having at least two holes each receiving light emitted in one of different spectral ranges for which...
4807211 Apparatus for inscribing and/or reading a record carrier  
An apparatus for recording and/or reproducing information on an optically inscribable and readable disc-shaped record carrier with a previously formed track pattern containing a first track...
4805163 Tracking control unit in information reproducing apparatus  
In reproducing recorded information from a track on an optical disc by the use of a light beam, a tracking servo is employed for enabling the light beam to follow up the track. When there occurs...
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