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3638019 LIGHTING DEVICE COMPRISING TWO OPTICAL SYSTEMS AND A RADIATION SENSITIVE DETECTOR  
A sighting device equipped with two optical systems which each comprise an optical modulator and a lens and the optical axes of which intersect at an acute angle and with a radiation-sensitive...
3638021 INFRARED HORIZON SENSOR FOR MEASURING SATELLITE PITCH AND ROLL  
An infrared sensor carried aboard a satellite is driven to conically scan e horizon of the celestial body, such as the earth, about which the satellite is orbiting. The output of the sensor is a...
3634689 AUTOMATIC POSITION OR CONDITION CONTROL DEVICES USING RELATIVE ROTATION, LINEAR POSITIONING, AND MAGNIFICATION  
An automatic condition control device comprising detecting means including at least a pair of detecting elements, such as photocells, spaced from each other and having a boundary spaced...
3624283 METHOD AND MEANS FOR BACKSPACING A LINE FOLLOWER IN A DIGITIZING SYSTEM  
In a digitizing system, a line follower automatically follows a line or edge to be digitized and intermittently outputs data representing the coordinates of points spaced along the line. This...
3621222 DATA PROCESSING SYSTEM FOR CURVES RECORDING ON CHARTS WHOSE TRACE VARIES IN WIDTH  
A data processing system for curves recorded on charts wherein a straight line y=a (constant) and a curve y=f 1 (κ) are recorded, the curves having a certain width. Variations in reflected light...
3619617 PROJECTED IMAGE GRINDING MACHINE  
The tool of a grinding machine is guided by a color-sensitive photoelectric sensor which scans an image of the actual shape of a workpiece in one color superimposed on an image of the desired shape...
3617629 PATTERN DETECTION APPARATUS  
In apparatus for detecting cervical smears on microscope slides, an image of the field is scanned with a television-type scan and a detector detects any light changes caused when the scan crosses...
3617751 METHOD AND APPARATUS FOR ARTICLE POSITIONING UTILIZING AN INCREMENTAL ARTICLE DRIVE SYSTEM AND NULL TRANSIT COUNTER  
A system for positioning an article in a preselected translational and rotary orientation with respect to two coordinate axes. The system produces X, Y and θ electrical signals each having a...
3614448 SCANNING SYSTEM FOR FOLLOWING AN OUTLINE  
Method and apparatus for scanning an outline on a substrate in which a beam of light is passed through a semireflecting surface and thence through a rotating prism having an odd number of...
3610935 INCREMENTAL OPTICAL CURVE TRACER WITH SEQUENTIAL LOGIC COMPRISING PLURAL COMPARATORS AND MEANS FOR LIMITING LENGTH OF STEPWISE MOVEMENT  
An incremental optical curve tracer with sequential logic is disposed to guide a precision machining operation and/or produce a drawing in which any of one-, two- or three-dimensional curves, lines...
3609237 LINE OR EDGE DIGITIZING SYSTEM WITH MEANS FOR AUTOMATICALLY OUTPUTTING ONLY DATA TRULY REPRESENTATIVE OF THE LINE OR EDGE BEING DIGITIZED  
A digitizer for providing digital information defining the coordinates of points located along a line or edge of a map, drawing, template or other similar artwork includes a reticle manually...
3609373 PHOTOELECTRIC SENSORS AND CIRCUITRY FOR EDGE-GUIDING SYSTEMS FOR SEWING MACHINES  
A photoelectric sensor system is described for generating information signals related to the actual edge position, transparency and edge curvature of the material to be sewn by a sewing machine in...
3604937 DEVICE FOR DETECTING EDGES OR A PATTERN BY PHOTOELECTRIC MEANS  
In an apparatus for photoelectrically following up an edge portion or a pattern for controlling a processing machine such as a cutting apparatus, a bridge circuit comprising at least four branches...
3602638 GRAPHIC DATA SYSTEM FOR SCANNING AND RECORDING TWO-DIMENSIONAL CONTOURS  
This specification describes a coordinatograph system in which point data on a two-dimensional contour drawing may be located and registered in a data recording medium where the data may be used,...
3598978 OBJECT-POSITIONING SYSTEM AND METHOD  
The object which is to be positioned has light and dark areas and edges which define transitions between these areas. This object is placed beneath a light-sensing element such as an optical fiber....
3597619 AUTOMATIC DRAFTING-DIGITIZING APPARATUS  
There is disclosed hereinafter a drafting-digitizing machine for automatically scribing information on sheetlike articles and for digitizing lines, curves, and the like that are scribed on or in...
3582210 ILLUMINATION PLOTTER MOUNTED ON A MOBILE VEHICLE  
An illumination plotter for plotting illumination characteristics of thoroughfare lighting systems including a vehicle, an adjustable length, horizontally extending, supporting bar mounted on the...
3567944 METHOD AND APPARATUS FOR SIMULTANEOUSLY FOLLOWING A PLURALITY OF OUTLINES  
Method and apparatus for simultaneously following a plurality of separate outlines by means of separate photoelectric line followers mounted for simultaneous longitudinal movement and independent...
3567855 SCANNING APPARATUS WITH AUTOMATIC BEAM CENTERING  
An elongated focal light spot whose intensity gradually varies along its length, crosses a track of a record carrier having light permeable recordings and scans the same. When the record carrier is...
3566129 PATTERN CATCHING IN A PHOTOELECTRIC PATTERN CONTOUR TRACING SYSTEM  
A pattern contour-tracing system which is capable of intercepting and locking on the pattern contour from a position removed from the contour without the use of a leadin contour. The pattern...
3553456 READING OF PROJECTED TRACE ERRORS  
A method and apparatus are disclosed in which a trace is optically projected on photocells incorporated in electrical circuitry providing a signal indicating the nearest photocell to a reference...
3551681 NON-SCANNING HORIZON POSITION INDICATOR INDEPENDENT OF PLANET RADIANCE VARIATIONS UTILIZING INVERTED OVERLAPPING FIELDS OF VIEW  
3548210 AUTOMATIC STEREOPLOTTER  
3535527 DIGITAL CORRELATION PATTERN TRACKER WITH SINGLE AXIS SCANNING  
3534162 FOLLOWER CONTROL DEVICE FOR TRACING PROCESSING MACHINES  
3528337 TRACING MACHINE  
3529084 LINE FOLLOWER  
3527953 PHOTOELECTRIC LINE DETECTOR  
3519827 SERVOMOTOR CONTROLLED POSITIONING MEANS FOR THE OPTICAL PICKUP IN STEREO VIEWERS USING FIBER OPTICS  
3518514 OUTLINE FOLLOWING APPARATUS  
3515877 ELECTRO-OPTICAL POSITIONER  
3514862 SUPER-FLEVATION AND GRADIENT MEASURING DEVICES FOR TRACK  
3513931 VEHICLE AUTOMATIC GUIDANCE MEANS  
3511965 POSITIONING AND TRACKING APPARATUS FOR WORK TOOLS  
3510658 LIGHT BEAM SERVOING SYSTEM WITH MEMORY ELEMENT HAVING WAVELENGTH-DISCRIMI-NATING GUIDE AND DATA TRACKS  
3502880 AUTOMATIC CURVE SCANNING SYSTEM  
3502881 TORCH CUTTING FOLLOWER CONTROL DEVICE  
3502882 OPTO-GRAPHICAL MEMORY AND DIGITALIZED CONTROL SYSTEM FOR PRECISION MACHINING  
3499155 PHOTOELECTRIC KERF AND LEAD COMPENSATOR HAVING TWO CONCENTRIC PIVOTABLY MOUNTED HOUSINGS FOR COMPENSATION IN TWO DIRECTIONS  
3497694 OPTICAL SCANNING HEAD WITH FOUR OPTICAL TRANSMISSION LINES AND PHOTOSENSORS  
3496437 VARIABLE LEAD DEVICE FOR INDICIUM TRACERS  
3495089 ALIGNMENT SENSING DEVICES UTILIZING LIGHT-EMITTING SEMI-CONDUCTORS  
3495090 CAMBER ANALYZER USING PHOTOCELL SCANNING A PLURALITY OF SUCCESSIVE LIGHT SOURCES  
3493763 LINE TRACES WITH THE LIGHT FROM A GAS DISCHARGE LAMP DEFLECTED ACROSS THE LINE  
3493762 TRACING MACHINE HAVING TOOL OFFSET INDEPENDENT OF THE SCANNING HEAD  
3490002 COMPLETE SCANNING CYCLE DETECTOR FOR CHARACTER RECOGNITION SYSTEMS  
3488500 INFRARED DETECTION METHOD AND APPARATUS FOR CONVERTING A THERMAL CHARACTERISTIC TO A VISIBLE IMAGE  
3486828 TRACK STRUCTURE FOR SENSING HEADS OF WEB WIDTH MONITOR APPARATUS  
3483385 APPARATUS FOR COMPARING THE SURFACE REFLECTIVITY OF MATERIALS  
3480919 PHOTOGRAPHIC INFORMATION STORAGE OPTICAL TRACKING AND SWITCHING SYSTEM