Class 33/1D - Indexing and verniers

Subclass of Class 33 - Geometrical instruments
No. of patents: 23
Last issue date: 06/26/2007

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Number	Title	Issue Date
7236245	Overlay key with a plurality of crossings and method of measuring overlay accuracy using the same An overlay key includes a main scale and a vernier scale, which traverse each other forming a plurality of crossings. The main scale includes a first main sub-scale and a second main sub-scale, which are separated from each other or at least partially overlap each o...	06/26/2007
7178479	Peripheral view speedometer A speedometer face plate assembly that incorporates a border of light transmitting segments above the speed indicating numerals is disclosed. Each of the segments is a different color. The colored segments are lighted from behind as the speed changes so that colored...	02/20/2007
6925411	Method and apparatus for aligning semiconductor chips using an actively driven vernier One embodiment of the present invention provides a system that facilitates measuring an alignment between a first semiconductor die and a second semiconductor die. The system provides a plurality of conductive elements on the first semiconductor die and a plurality ...	08/02/2005
5832422	Measuring device A measuring device capable of being used by physicians, veterinarians, and surgeons either pre-operatively, intraoperatively, or post-operatively to determine the actual size of objects shown in images made by x-rays (and other imaging techniques). The me...	11/03/1998
5778542	Relative position indicator Apparatus is provided for giving a visual indication of increments of position over a predetermined range of positions to either side of and including a predetermined zero reference point. The apparatus includes a plurality of pattern generating units, ea...	07/14/1998
5305531	Stamp indexing tool A portable tool for use by locksmiths and the like with an indexable slide having a positioning hole for nicely receiving a conventional chisel-type stamp. The tool has an adjustable clamp for releasably gripping and retaining a thin object, such as a key...	04/26/1994
5185936	Probe head with indexing mechanism A probe head (10) includes a support (12) by which the probe head is retained on the quill of a coordinate positioning machine, and a rotor (14) which is magnetically retained on the support (12). The rotor (14) is rotatable between a plurality of indexed...	02/16/1993
5084981	Probe head A probe head for orientating a probe relative to a head of a coordinate measuring machine, has a support a rotor rotatable relative to the support, and a swivel rotatable relative to the rotor. The rotor and swivel are mounted for rotation through a serie...	02/04/1992
5083378	Two dimensional vernier A two-dimension vernier scale utilizing a cartesian grid on one plate member with a polar grid on an overlying transparent plate member. The polar grid has multiple concentric circles at a fractional spacing of the spacing of the cartesian grid lines. By ...	01/28/1992
4845496	Electro-optical displacement sensor An electro-optical displacement sensor comprises an optical source including a plurality of optical grating lines for producing from an incident optical signal a transmitted optical signal having a spatially periodic intensity pattern. Optical sensing mea...	07/04/1989
4836315	Weighing scale The balance beam of a scale is provided with a series of notches. A poise, preferably a metal ball, is movable along the balance beam to be set in one of the notches and retained there without clamping. A secondary counterpoise on the other side of the pi...	06/06/1989
4777728	Mounting to establish a basic reference for measuring machines and machine tools For the mounting of measuring scales or straight-edges, they are clamped on balls (2, 6) rollably retained within small regions, which form a lengthwise guide and are fixed relative to their mounting (3) at a single point (5)....	10/18/1988
4720699	Optical encoder using line array detectors Absolute optical encoder device using a line array detector in conjunction with a single strip of encoding bars. The bars are orthogonal to the detector array line and may be long enough to allow motion parallel to the bars without loss of measurement con...	01/19/1988
4647850	Integrated circuit for measuring mask misalignment An integrated circuit for measuring conductor misalignment comprises: a set of 2n+1 conductor pairs where n is a predetermined positive integer; each conductor pair includes a U-shaped conductor having a central axis; each conductor pair also includes a r...	03/03/1987
4607436	Automotive vehicles tire-spanning beam outside calipers A beam has a slide carrying one arm of calipers to be applied diametrically to an automotive vehicle tire. Indicating means for the calipers includes a beam scale of buttress configuration and an index carried by the slide cooperating with inclined portio...	08/26/1986
4566193	Use of an electronic vernier for evaluation of alignment in semiconductor processing An electronic vernier is presented which detects and quantifies misalignment between layers of material deposited upon a semiconducting wafer. Verniers may be constructed which evaluate alignment between two conducting layers, between two conducting layer...	01/28/1986
4486958	Drawing head A drawing head has a base plate which has a central bore and which is rotbly mounted on a drawing machine. A straightedge support assembly includes a straightedge support mounted on a rotatable pin in the central bore. A cover plate is nonrotatably mount...	12/11/1984
4459702	Electronic vernier An electronic vernier measuring apparatus utilizes groups of stationary electrically conductive plates and a movable electrically conductive wide bar carried on a movable substrate. The wide bar is capacitively coupled to a group of stationary commutator-...	07/10/1984
4218822	Visual-display device with error correction In order to correct errors in the reading of a graduated scale, especially on a compass card driven by a damped gyroscopic system, the scale is juxtaposed with a block having slits simultaneously alignable with different scale graduations and illuminable ...	08/26/1980
4196522	Alignment fixture A part alignment fixture is provided which may be used for precise variable lateral and tilt alignment relative to the fixture base of various shaped parts. The fixture may be used as a part holder for machining or inspection of parts or alignment of part...	04/08/1980
4137643	Gauging assembly A gauging assembly adapted for use in positioning stock material with respect to fixed equipment. The assembly includes an elongated retainer having a predetermined arrangement of stop positions thereon. An elongated holder is provided for slidable coupli...	02/06/1979
3959888	Precise indexing detent A precise indexing detent comprises a pair of grooved members the plane groove faces of which define a polyhedron within which there may be positioned a sphere in surface contact with all such faces. A detent member comprising a spherical section is situa...	06/01/1976
3951532	Microfiche reader employing dual incremental advancing means A microfiche reader includes first and second plates, with a plurality of light sources disposed with the first plate in an array of rows and columns, and a plurality of lens disposed with the second plate in a row-column array, each lens corresponding to...	04/20/1976

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Class 33/1D - Indexing and verniers