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Class 73/1.81 - Length, width, or height


Subclass of Class 73 - Measuring and testing
Definition: Subject matter wherein the device being proven or calibrated
No. of patents: 114
Last issue date: 02/21/2012


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NumberTitleIssue Date
8117891Method for calibration of measuring equipment and measuring equipment
A method for the calibration of measuring equipment, and measuring equipment. The measuring equipment comprises at least one first sensor, at least one second sensor and at least one reference piece. When the measuring equipment is calibrated, a moving web is suppor...
02/21/2012
7913537Adjustment device for a measuring head
An adjustment arrangement for a measuring head, in particular an adjustment arrangement in order to simplify the calibration of a measurement probe (3) supported by a measuring head in a coordinate measuring machine, where the adjustment arrangement includes ...
03/29/2011
7784325Calibration standard
The invention relates to a calibration standard, especially for the calibration of devices for the non-destructive measurement of the thickness of thin layers with a carrier plate (16) of a basic material and a standard (17) applied on the carrier plat...
08/31/2010
7578165Measurement apparatus and methods for balloon catheters
Measurement devices and methods for measuring balloon catheters are provided. Embodiments enable measuring the outer dimensions and burst pressure of a balloon catheter. The measurement apparatus can measure a balloon catheter in ambient air or a balloon catheter su...
08/25/2009
7568373Method of error compensation in a coordinate measuring machine
A method of calibrating an articulating probe head comprising the steps of measuring an artefact of known dimensions with the workpiece sensing probe mounted on the articulating probe head, in which the articulating probe head is unlocked. An error functional map is...
08/04/2009
7549314Calibrating device for adapting a measuring device for measuring the thickness of thin layers on an object to be measured
The invention relates to a calibrating device for adapting a measuring device for measuring the thickness of thin layers on an object to be measured, comprising a calibrating surface (12) having a flat upper side and a flat underside, which are provided at a ...
06/23/2009
7464579Calibration block
A calibration block for use in calibrating a thickness gauge having a diameter d, wherein the block has a measurement face and a recess extending inwardly of the block from a face opposite the measurement face, the recess having a maximum transverse dimension at the...
12/16/2008
7448250Calibration standard
The invention relates to a calibration standard, especially for the calibration of devices for the non-destructive measurement of the thickness of thin layers, with a carrier layer (12) consisting of a basic material and a standard (17) applied on the ...
11/11/2008
7363697Method for manufacturing a group of head gimbal assemblies
A system and method for the production level screening of low flying magnetic heads in the manufacture of disk drive head disk assemblies (HDAs) is disclosed. A test disk is provided and has a plurality of bumps extending from at least one surface thereof. The test ...
04/29/2008
7359817Method of and device for re-calibrating three-dimensional visual sensor in robot system
A re-calibration method and device for a three-dimensional visual sensor of a robot system, whereby the work load required for re-calibration is mitigated. While the visual sensor is normal, the visual sensor and a measurement target are arranged in one or more rela...
04/15/2008
7302355Method and apparatus for calibrating circular objects using a computer tracking system
A method of calibrating a circular portion of an object, such as to determine the center point of the object, is provided. The method includes determining spatial coordinates of at least two points on a circumferential edge of the circular portion of the object, and...
11/27/2007
7275330Three axial displacement measuring apparatus
Disclosed is a three-axial displacement measuring apparatus. The three-axial displacement measuring apparatus includes: a fixation grip fixed to one surface of a hanger supporting a structure to be measured; a universal joint connected to the fixation grip which is ...
10/02/2007
7265364Level sensor for lithographic apparatus
A level sensor for a lithographic projection apparatus includes a light source configured to direct light onto a substrate to be measured, a detector configured to detect light reflected from the substrate, and a processor configured to calculate a difference betwee...
09/04/2007
7215879Defrosting heater with concentric glass tubes separated by end plugs
A defrost heater, in which the strength of an insertion force needed for inserting a second glass tube in a plug is specified to be smaller than that needed for inserting a first glass tube in a plug. Thereby, dispersion in the insertion force needed for attaching t...
05/08/2007
7187454Measuring device
While a ball 14 is inserted into a hole WA of a workpiece W and is moved in the longitudinal direction of the hole WA while automatically centripetally moved, a change of back pressure of a gas injected into the hole WA is detected by a converter 30, a...
03/06/2007
7124625Glide-height disk-tester and method of operation
A glide-height disk-tester operates with the test disk rotating at a predetermined constant rotational speed and uses a glide head with an electrically-resistive heater and a thermally-responsive protrusion pad located on its trailing end. The linear velocity of the...
10/24/2006
7124621Acoustic flowmeter calibration method
An acoustic flowmeter calibration method and sampling system address a variation in acoustic transducer delay time with increasing temperature. In one aspect, calibration of the path length between the sending and receiving transducers and calibration of the transdu...
10/24/2006
7100297Probe or stylus orientation
Re-orientation of a stylus (30) or measurement probe (12) can be accomplished by engaging a part of the stylus or probe with a fixed part (50) and moving the probe in a spherical path centred at the engagement. The engagement (50) is spac...
09/05/2006
7102528Device for determining and/or monitoring a predetermined filling level in a container
A device for establishing and/or monitoring a predetermined fill level in a container is provided, to indicate the fill level in a container and exhibiting a best possible, optimum fit for an application, which device includes: a mechanical oscillatory structure pla...
09/05/2006
7055367Calibration of a probe
A method of calibrating an analogue probe (10) having a stylus (12) with a workpiece-contacting tip (14) or a non-contact probe (26). A calibration artefact such as a calibration sphere (16) is mounted on a coordinate measuring mac...
06/06/2006
7043846Reference gauge for calibrating a measuring machine and method for calibrating a measuring machine
Reference gauge for calibrating measuring machines whose reference dimension can be measured both on its inner size and by its outer size, thus making it possible to keep the reference dimension less than 15 millimeters, even for calibrating measuring machines equip...
05/16/2006
7044680Method and apparatus for calculating and using the profile of a surface
Knowledge of the profile of a road surface—most importantly its defects—is a must to construct an acceptable road surface in this day of high speed traffic. Measurement and calculation of the surface during the process of forming the road—when the road materia...
05/16/2006
7043961Tool calibrator and tracker system
A standard medical or surgical tool's axis is located by attaching to the tool a plurality of a location indicating elements or markers having a known geometric or spatial relationship, and placing the tool in a tool calibrator that supports the tool in a manner tha...
05/16/2006
7032508Printing press
An apparatus and method is described wherein a printing press is profiled during production press runs and wherein ink color is controlled. ...
04/25/2006
7009391High throughput missing pattern detector for servo printed recording media
The present invention provides a method for detecting missing servo patterns on printed recording media. In general, the method first comprises the step of generating a map of anticipated servo burst patterns for a magnetic medium. The magnetic medium is typically a...
03/07/2006
6996487Automatic calibration system for computer-aided surgical instruments
A system for automatic calibration of instruments (S) having varying cross-sectional dimensions within a predetermined range and having detectable elements (110, 112, 113, 114) thereon for computer-aided surgery, comprising a calibration base (C) having detec...
02/07/2006
6978609Electrohydraulic servo door drive for operating a door, a window, etc.
The invention pertains to an electrohydraulic servo door drive for operating a door, a window, or the like, with a hold-open function, where a valve is installed in the hydraulic circuit to implement the hold-open function. To create an electrohydraulic servo door d...
12/27/2005
6961648System and method for desensitizing the activation criteria of a rollover control system
A method of densensitizing includes determining a relative roll angle, determining when the vehicle is in a transitional maneuver, and when the vehicle is in a transitional maneuver, setting a roll signal for control to the relative roll angle, reducing control effo...
11/01/2005
6955074Lithographic apparatus, method of calibration, calibration plate, device manufacturing method, and device manufactured thereby
A method according to one embodiment of the invention may be performed using a calibration plate having at least one alignment marker and at least one height profile. First, the calibration plate is positioned using an alignment sensor. Then the height profile is me...
10/18/2005
6923453Suspension leveling system
In the operation of work machines of the type required to carry heavy loads over uneven ground conditions, it is oftentimes desirable to provide the work machine with a way to automatically maintain the chassis in a substantially horizontal condition. The present in...
08/02/2005
6912891Characterization of fluids using ultrasound
A method of using ultrasonic reflectance to characterize physical properties of fluids, particularly food solutions. In general, the method comprises the steps of: (a) generating longitudinal ultrasonic waves, (b) coupling the transducer to the fluid being investiga...
07/05/2005
6909983Calibration of an analogue probe
A method of calibrating a probe mounted on a machine in which the probe has a probe calibration matrix which relates the probe outputs in three orthogonal axes to the machine's X, Y and Z coordinate system. A datum ball mounted on the machine is bi-directionally sca...
06/21/2005
6823713Scanning tip orientation adjustment method for atomic force microscopy
A method of calibrating an AFM scanner head of an AFM machine to determine the arc functions of the scanner head are provided. A method of measuring the actual orientation of an AFM tip in conjunction with the arc functions provides a way to know and control the act...
11/30/2004
6776023Method for determining the deformation amplitude of a touch probe
The invention concerns a method for calibrating a tool, of the touch probe type, used on a contact type measuring machine, in order to take account of its dynamic geometrical features. Said method enables, in particular, the uncertainties associated with the ...
08/17/2004
6772620Method of generating calibration data for relative height measurement
A metrology process, in accordance with the present invention, measures the dishing of a first feature made of a first material by determining the relative height of the first feature with respect to a second feature, where the first and second features have differe...
08/10/2004
6772078Linear scale reader
A length measuring apparatus is provided that combines upper data with lower data and then outputs the composite data. The apparatus monitors taking down or up a digit of upper data or lower data and synchronization of lower data, thus preventing an occurrence of re...
08/03/2004
6742380Technique for measuring small distances between, and for measuring the flatness of, electrically conductive surfaces
A method and apparatus for measuring the distance between first and second proximately disposed electrically conductive surfaces is provided in which the force exerted between the first and second surfaces is measured to obtain an exerted force value. A separation d...
06/01/2004
6739591Sheet double feeding detector, method and program of such a device
An ultrasonic wave receiver receives an ultrasonic wave outputted by an ultrasonic wave oscillator, and outputs a receiving signal. A level determining unit makes a determination as to the presence or absence of a sheet of paper based upon a level of the receiving s...
05/25/2004
6715342Pneumatic length measurement apparatus
The present invention relates to an apparatus for pneumatic length measurement comprising a pre-nozzle and a measurement nozzle through which the medium used for the measurement is directed onto an impact plate, a first pressure sensor arranged in front of the pre-n...
04/06/2004
6698753Device for and method of detecting an overlap in paper being transported
An unintentionally overlapped condition in a paper sheet being transported is detected by making ultrasonic waves incident on its path and detecting a phase difference between the received ultrasonic waves and a predetermined standard phase. For detecting...
03/02/2004
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