Matches 1 - 50 out of 106 1 2 3 >
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7334628 Flow control device for gas stream  
A control device for gas is provided with a pivotable flap mounted between side walls of a guide duct. A receiving pocket for the insertion of a drive element (motor) is provided on one of the side...
EP1047922B1 BARRIER MATERIALS AND PRODUCTS PRODUCED THEREWITH  
6887916 Materials having controlled shrinkage and patterns and methods of making same  
A latent material having various controlled shrinkage tensions and patterns and a method of making the same. The materials include polymer materials that are capable of absorbing microwave energy....
6765661 Lens inspection  
The invention enables more objective defect evaluation of ophthalmic lenses, especially contact lenses, to take place through the combination of the schlieren method with the transmitted light...
6739201 Micromechanical apparatus for measurement of forces  
A new class of micromechanical dynamometers has been disclosed which are particularly suited to fabrication in parallel with other microelectromechanical apparatus. Forces in the microNewton regime...
EP1398278A1 Food container with easy open seal  
Abstract not available for EP1398278
6587211 Interferometric torque and power sensor  
An interferometric optical torque sensor senses the torque transmitted by a rotating shaft without requiring physical contact with the shaft. A diffraction grating is provided on the shaft with its...
6392224 Scanning unit for an optical position measuring device  
A scanning unit for an optical position measuring device that includes a detector system that has a first reference pulse signal detector region disposed along a measuring direction and a second...
6299122 Spherically mounted retroreflector edge adapter  
In accordance with the present invention, there is provided an edge adapter for use with a spherically mounted retroreflector device for measuring the location of a measurement point on a first...
6137578 Segmented bar-in-bar target  
A target for measurement of critical dimension bias on a substrate formed by a lithographic process comprises three sets of contrasting arrays of elements on the substrate. Each of the arrays has a...
6128089 Combined segmented and nonsegmented bar-in-bar targets  
A target for measurement of critical dimension bias on a substrate formed by a lithographic process comprises six contrasting arrays of elements on first and second layers of the substrate. Each of...
5976740 Process for controlling exposure dose or focus parameters using tone reversing pattern  
Focus and exposure parameters may be controlled in a lithographic process for manufacturing microelectronics by creating a complementary tone pattern of shapes and spaces in a resist film on a...
5965309 Focus or exposure dose parameter control system using tone reversing patterns  
Focus and exposure parameters may be controlled in a lithographic process for manufacturing microelectronics by creating a complementary tone pattern of shapes and spaces in a resist film on a...
5959295 Timing device and method for positioning non-linear machine parts  
A method and device for positioning non-linear machine parts using a timing element, particularly for machine parts that are in non-linear motion. The invention has a pair of sensors spaced apart...
5953128 Optically measurable serpentine edge tone reversed targets  
Focus and exposure parameters may be controlled in a lithographic process for manufacturing microelectronics by creating a complementary tone pattern of shapes and spaces in a resist film on a...
5909013 Dimensional weighing utilizing a following arm mechanism  
A dimensional weighing apparatus is disclosed which has a weighing scale for determining the actual weight of a carton, and a conveyor means along which cartons are moved after being weighed to...
5827430 Coreless and spirally wound non-woven filter element  
A homogeneous mixture of a base and a binder material or fiber that is compressed to form a mat or sheet of selected porosity. The binder material has at least a surface with a melting temperature...
5757497 Twin beam displacement transducer  
A twin beam displacement transducer. The transducer utilizes two thin, flexible beams. The two beams either lay intimately on top of one another or both lay intimately on opposite sides of a common...
5613013 Glass patterns in image alignment and analysis  
A system and method is provided for aligning and analyzing multiple images using Glass patterns. A Glass pattern is a Moire-like pattern obtained by superimposing an image on a transformed version...
EP0504264B1 SURFACE HEATING FOOD WRAP WITH VARIABLE MICROWAVE TRANSMISSION  
Abstract not available for EP0504264 Abstract of corresponding document: US4972058 The present invention provides a composite material for generation of heat by absorption of microwave energy...
5430537 Light beam distance encoder  
A light beam encoder for measuring absolute distance over a linear path with an accuracy of at least that provided by incremental optical encoders, but over longer ranges than can readily be...
EP0629490A2 Process for manufacturing a thermofusible or thermohardenable product comprising zones sensitive to electromagnetic radiation in the microwave region and the product made.  
Process for manufacturing a product made of a thermoplastic (thermofusible) or thermosetting polymer, comprising zones sensitive to electromagnetic radiation in the microwave region, characterised...
EP0504264A1 SURFACE HEATING FOOD WRAP WITH VARIABLE MICROWAVE TRANSMISSION.  
Abstract not available for EP0504264 Abstract of corresponding document: US4972058 The present invention provides a composite material for generation of heat by absorption of microwave energy...
5067816 Optical encoder  
In an optical encoder of a three grating system, a pitch P2 of a second grating for illuminating a first grating is set at a value larger than a pitch P1 of the first grating and a length of a...
5052807 Three dimensional moire pattern alignment  
An apparatus for determining three dimensional positioning relative to a predetermined point utilizing moire interference patterns such that the patterns are complementary when viewed on axis from...
5036597 Securing device for measuring apparatus  
A securing device composed of a plurality of components for a measuring apparatus used for determining the positions of two structural members which are movable relative to each other. The...
5026164 Optical encoder  
In an optical encoder of a three grating system, a pitch P2 of a second grating for illuminating a first grating is set at a value larger than a pitch P1 of the first grating and a length of a...
5012080 Directional particle filter  
The invention features a directional particle filter for selectively blocking specific particles whose projected paths intersect a predetermined point relative to the filter. This filter includes a...
4984287 Method for orienting a dual mouse optical scanner  
A method for orienting a dual mouse optical scanner on an orthogonal grid pattern comprising the steps of (a) placing a dual mouse scanner on a grid pattern at a small angle to the vertical lines...
4967071 Fiber optic position sensor  
An optical fiber position sensor utilizes a passive gray code encoded sensor head gray code for improved reliability. Optical energy is propagated to the sensor head over a plurality of optical...
4942621 Method for mapping scanned pixel data  
A method for using a scanner to scan pixel data from an image on a page and map the scanned pixel data in a computer's memory is disclosed comprising the steps of (a) placing a scanner having an...
RE33254 Bridge type coordinate measuring machine  
A bridge type coordinate measuring machine characterized by a bridge (20) that has a closed loop configuration encircling the measuring machine base (10). The bridge (20) includes two uprights (21,...
4892416 Precision carriage and housing for relative position sensing device  
A carriage and housing for a position sensing device of the type having a carriage for carrying a reader for reading the position of the carriage with respect to the housing along a position line...
4794237 Multidirectional holographic scanner  
A holographic scanning system for scanning a bar coded label is disclosed in which the light beams of a laser are directed at a set of holograms located on a rotating disk in which each hologram...
4731744 Position sensor and system  
A position sensor for a moving member of a mechanical device is disclosed. The sensor includes an optical sensing means such as solid-state image sensor and illuminating means such as a plurality...
4631403 Length measuring instrument comprising a scale member and a signal-generating scanning unit which is movable along the scale member  
The scanning unit which is movable along the scale member comprises signal-generating means, which are accommodated in one or more covering hoods. Each covering hood has an annular boundary surface...
4630374 Bridge type coordinate measuring machine  
A bridge type coordinate measuring machine (CMM) characterized by a bridge (20) that has a closed loop configuration encircling the upper surface (11) of the measuring machine base (10). The bridge...
4594791 Bridge type coordinate measuring machine  
A bridge type coordinate measuring machine characterized by a bridge (20) that has a closed loop configuration encircling the measuring machine base (10). The bridge (20) includes two uprights (21,...
4584472 Linear position encoder  
Information related to the position of a control member of a vehicle is required for control of power delivered to the vehicle motors. Available linear position encoders are expensive and prone to...
4529964 Encoder for length or angle measuring device with high accuracy  
An encoder for measuring devices having a code plate including binary grating patterns arranged in a given regular fashion and forming a first scale, a linear sensor including photodiode elements...
4270173 Electronic scaler  
A keyboard having numerical and function keys, function lights to indicate the function being performed, and a digital display, is coupled to a microcomputer. A copy-layout frame has a pair of...
4240745 Imagery with constant range lines  
Method and apparatus for showing the relative range from an active line scan sensor to a target, the changes in range being shown on a recording medium as an alternate series of bright and dark...
4239388 Time domain laser reconnaissance technique  
Method and apparatus for producing imagery of an object having distinct vertical geometry characteristics located at a reference plane remote from a scanning laser. In particular, a laser beam is...
4236819 Imagery with constant range lines  
Method and apparatus for showing the relative range from an active line scan sensor to a target, the changes in range being shown on a recording medium as an alternate series of bright and dark...
4215480 Distance measuring gauge  
A hand held digital read-out measuring instrument in which interference fringes are generated by the transmission of radiations through gratings which move relative to one another according to a...
4203666 Lensmeter  
An improved lensmeter comprising a conventional optical system and a novel displaying system. The displaying system includes a linear encoder producing two sets of pulse signals equivalent to the...
4200395 Alignment of diffraction gratings  
First and second plates are formed with like periodic patterns. A laser beam illuminates the second plate through the alignment marks of the first plate to provide a pair of diffracted beams that...
4198164 Proximity sensor and method and apparatus for continuously measuring rail gauge  
A method and apparatus for railroad track surveying for accurately determining track gauge includes a pair of electro-optical sensors which are situated completely above the rail head level. A...
4195909 Scanning grating for a focus detector  
An improved scanning grating useful as an image scanner and spatial frequency filter, for a focusing detector to ascertain the focus of an optical system on deflecting the light incident from the...
4172994 Electro-optic apparatus for measuring the speed of angular rotation of one body relative another using moire patterns  
Apparatus for measuring the speed of rotation of a wheel or the angular orientation thereof relative to a fixed point. A first portion of a transmitter unit is positioned along the periphery of the...
Matches 1 - 50 out of 106 1 2 3 >