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7602508 Method and apparatus for measuring pitch, rake and squareness of a boat propeller  
The present invention provides a method of determining certain propeller parameters for a boat propeller that has a hub, a central axis and a plurality of propeller blades attached to the hub. The...
7590561 Method and system for online purchasing using processing sensor  
Methods and systems are disclosed which relate to online purchasing via interface surfaces printed with information and coded data. The coded data, encoded visibly or invisibly, may be queried by...
7551296 Method for determining the focal position of at least two edges of structures on a substrate  
A method for determining the focal position of at least two edges of structures ( 31 ) on a substrate ( 30 ) is disclosed. During the movement of a measurement objective ( 21 ) in the Z-coordinate...
7528966 Position detection apparatus and exposure apparatus  
The position detection apparatus includes a light projecting optical system which has an optical axis, and which cause two light beams symmetrical about the optical axis to enter a substrate, a...
7508530 Multi-point position measuring and recording system for anthropomorphic test devices  
The motion of an Anthropomorphic Test Device (ATD) member is measured. For example, the motion of ribs and other components of an ATD or Crash-Test Dummy are tracked during crash testing and dummy...
7495779 Level detection apparatus  
A level detection apparatus includes an illumination slit in which a rectangular first opening which causes illumination light to pass is formed, an optical system configured to illuminate a target...
7486409 Displacement sensor  
In a sensor head, parallel rays or approximately parallel rays are generated by a pair of condenser lenses that reciprocate according to vibrations of a collimate lens and a tuning fork, and go out...
7477400 Range and speed finder  
A range/speed finder can be incorporated into a personal electronic device. In one example, a personal electronic device includes an automatic focus system adapted to focus an image of an object...
7428062 Measuring apparatus for work held by chuck table, and laser beam machining apparatus  
An apparatus for measuring the height of a work held by a chuck table provided in a machining apparatus, including: a white light source for emitting a white beam of light; a chromatic aberration...
7421195 Apparatus for acquiring focussing information and method of acquiring focusing information  
A storage unit is configured to store beforehand a table that shows a relation between spread parameters and command values supplied to a control unit to acquire a focused image of an object, and...
7355729 Apparatus and method for measuring a thickness of a substrate  
An apparatus and method of measuring the thickness of a substrate. A first light is reflected from a standard sample having a known thickness. The light is concentrated through the light-focusing...
7345772 Optical triangulation device and method of measuring a variable of a web using the device  
Device and method of measuring a position of an irregular surface. The method includes projecting a spot along a first axis onto the irregular surface, focusing an image of the spot along a second...
7339684 Proximity detector  
Apparatus for detecting proximity between a first object (target object) and a second object (reference object), comprising a light source and a light detector adapted to receive resulting...
7323705 Liquid level measurement  
The present application relates to an apparatus and method for measuring liquid levels in small-volume wells.
7321108 Dynamic focusing method and apparatus  
A method and apparatus for dynamically focusing an imaging mechanism on a moving target surface having a variable geometry is herein disclosed. Apparatus for focusing an imaging mechanism may...
7277188 Systems and methods for implementing an interaction between a laser shaped as a line beam and a film deposited on a substrate  
Systems and methods are disclosed for focusing a beam for an interaction with a film deposited on a substrate wherein the focused beam defines a short axis and a long axis. In one aspect, the...
7271919 Confocal displacement sensor  
A confocal displacement sensor is created in which, through a graduated arrangement of optical outputs relative to an imaging optic in the object area of displacement sensor, real images of the...
7253384 Focusing system using light source and image sensor  
An apparatus comprising a movable optical element having an optical axis and including one or more focusing elements, an image sensor positioned along the optical axis and substantially normal...
7216065 Reflecting surface design system, reflecting surface design method, recording medium, and computer program  
A reflecting surface design system ( 50 ) has (1) first rendering means ( 54 ) for displaying a free-form surface ( 20 ) on which a plurality of segments ( 24 ), each of which is defined by a...
7202953 Scanning microscopic method having high axial resolution  
The invention relates to a method for optically detecting at least one entity which is arranged on a substrate. The at least one entity is scanned with a measuring volume using at least one...
7142315 Slit confocal autofocus system  
A technique for focusing and maintaining the focus of an inspection or review system upon a specific layer of a multi-layered specimen is described. In one embodiment, a confocal autofocus system...
7075663 Optical device and a method for aiming and visually indicating a reading area  
The invention relates to an optical device for aiming along an optical axis and visually indicating a reading area, comprising at least an illuminating assembling acting on a portion of the reading...
7053394 Recording device of master disk for information recording medium  
Two light beams are incident on the same position on a surface of an object ( 105 ) to be measured obliquely from upper sides facing each other, and positions at which the reflecting light beams...
7041951 Method and apparatus for investigating layers of tissues in living animals using a microscope  
The invention concerns a method and an apparatus for investigating layers ( 1 ) of tissues in living animals using a microscope ( 2 ). The microscope ( 2 ) is focused onto a layer ( 1 ), and images...
7038793 Sensor device for performing rapid optical measurement of distances according to the confocal optical imaging principle  
A sensor device is for performing rapid optical measurement of distances according to the confocal optical imaging principle in order to determine distance values and/or height values of a surface....
7033708 Image focus monitor for alternating phase shift masks  
A focus monitor on an alternating phase shift mask may include sub-wavelength features which have a depth corresponding to an etch depth of primary features on the mask (e.g., a 180° etch depth),...
7027141 Static attitude determination and adjust of head suspension components  
An apparatus and method for determining and adjusting the static attitude of a head suspension or a head suspension assembly for use in a dynamic storage device. An apparatus in accordance with the...
7019849 Depth measuring apparatus  
A depth measuring apparatus is disclosed that comprises a mover for moving in an optical axis direction an objective lens for condensing a parallel light beam from a light emitter onto a...
6995849 Displacement sensor  
A displacement sensor is provided with: a light-projection unit; a light-receiving unit having a light-shielding mask and a light-receiving element; a first light-converging element which converges...
6917421 Systems and methods for multi-dimensional inspection and/or metrology of a specimen  
Systems and methods for assessing a dimension of a feature on a specimen are provided. A system may include an illumination system configured to scan the specimen with light at multiple focal...
6894586 Radial bulk annular resonator using MEMS technology  
A MEMS resonator includes an annular resonator body defined by an inner radius and an outer radius, a first electrode positioned within the inner radius and spaced from the resonator body, and a...
6891141 Surveying instrument having an optical distance meter and an autofocus system, and a surveying instrument having a detachable autofocus system  
A surveying instrument includes a sighting telescope optical system, a distance measuring system which outputs first data, a phase detection autofocus system which and outputs second data, and an...
6882436 Non-contact hole depth gage  
Disclosed is a method that utilizes optics to measure a hole depth in a workpiece. The method involves placing a light recording apparatus and a light source apparatus proximate a hole. Light is...
6819437 Apparatus for handling liquids and a process for operating the device  
An apparatus for handling liquids and including a lighting installation for lighting an approximately punctiform illumination point in the room, an approximately punctiform light-receiving device...
6819436 Image capturing apparatus and distance measuring method  
An image capturing apparatus for obtaining information regarding a depth of a subject includes: an illumination unit operable to cast a first illumination light beam that mainly contains a first...
6781103 Method of automatically focusing an optical beam on transparent or reflective thin film wafers or disks  
A method is provided for automatically focusing a light signal on a surface of a substrate. The method is independent of the substrate material and is effective for both opaque and transparent...
6763140 Method and apparatus for focusing a micro-imaging system onto a tilted or uneven sample to acquire images of the sample  
A mesh is created from selected focus points having locations on a surface of interest of a sample being micro-imaged. The mesh and associated focus settings of the focus points are used to define...
6762825 Focal point position detecting method in semiconductor exposure apparatus  
A method of detecting a focal point position of a projection optical system. The method includes moving an object having a first mark in a direction of an optical axis of the projection optical...
6757060 Optical probe focusing apparatus and method  
Disclosed is a method of positioning a focused image within a sampled medium in an optical measurement probe of the type wherein a focused sampling image is transmitted through a window having a...
6688743 Method and apparatus to determine fly height of a recording head  
The invention features a fly height measurement system for measuring fly height of a slider over a storage disc. The fly height measuring system includes a source of light, a slider, a detector...
6633390 Focus measurement in projection exposure apparatus  
A method of detecting focus information about an image projecting optical system includes performing mark projection through the optical system, and, based on illumination lights having different...
6628390 Wafer alignment sensor using a phase-shifted microlens array  
A wafer alignment sensor uses a microlens array for sensing the position of an alignment pattern on a semiconductor wafer. Phase interactions between adjacent microlenses are suppressed—or...
6486964 Measuring apparatus  
The laser beam emitted from a laser diode is applied to a sample, thereby measuring the height of the sample in accordance with the principle of trigonometrical measurement. A line-sensor camera...
6389153 Distance information generator and display device using generated distance information  
A distance information generator comprises an image sensor which senses an object, a distance detector which detects a first distance between a predetermined position and the object, a memory which...
6330066 Height measuring apparatus and method and testing apparatus using the height measuring apparatus  
An imaging means, which is provided so as to be movable in a Z direction that is perpendicular to an object, images the object. A moving means moves the imaging means in the Z direction with...
6323954 Process and device for the detection or determination of the position of edges  
For the detection of--or for the determination of the position of edges (K) of objects (G), a light source/sensor device arrangement in the manner of a light barrier is utilized, in which the light...
6307636 Method for telemeasuring and telemeter  
The invention relates to enhanced telemeasuring involving the use of laser beams which are initially directed onto a lens (18) in a parallel beam path and which are bundled by the lens (18) into...
6243164 Method and system for determining lead coplanarity  
The coplanarity of leads (14) of an integrated circuit (IC) in a surface-mount technology package (SMT) (10) can be determined by means of a plurality of views without the use of a conventional...
6166810 Method and apparatus for determining distance  
A method and apparatus for precision distance measurement are provided to perform accurate measurement of distance to an object according to light spots formed on the light receiving surface of a...
6144451 Multiple points distance measuring apparatus  
A focusing state detecting or distance measuring apparatus or camera which measures a focusing state or distance of an object for a plurality of different areas in a scene. The apparatus or camera...
Matches 1 - 50 out of 118 1 2 3 >