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Topic: Goniometer

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Formula One

	Goniometer - Wikipedia, the free encyclopedia
		For audio, a goniometer is used to visualize the amount of stereo in a signal.
		The contact angle goniometer was invented by Dr. William Zisman of the United States Naval Research Laboratory in Washington, DC and the first of this type of instrument was built by ramé-hart during the 1960's.
		Goniometers are used in crystallography for measuring angles between crystal faces.
	en.wikipedia.org /wiki/Goniometer (312 words)

	#AH140 - Angular Measurements with Goniometers (Site not responding. Last check: 2007-11-03)
		The goniometer does not measure rotations about the axis Z-Z. 3.8 The unit is designed to be fitted over the joint to be measured (Figure 8) and has extremely high flexibility to ensure the instrument does not interfere with normal joint movement.
		With the elbow fully extended, move the goniometer to position 2 (maximum length) and attach the fixed endblocks to the upper arm with the center of the endblock and the center axis of the upper arm coincident.
		Extend the ankle to the maximum extension anticipated during measurement and attach the fixed endblock to the posterior of the leg with the goniometer in position 1 (maximum length) so that the axis of the leg endblock are coincident.
	www.biopac.com /AppNotes/app140goniometer/goniometer.htm (2701 words)

	Goniometer and Crystal Orientation
		The Model 250 2-Axit Goniometer is used to hold crystals in the process of determining crystallographic orientation using either Laue back reflection or optical orientation techniques.
		The Model 25010 is designed to complement the Model 250 2-Axis Goniometer and is used to lap or polish oriented crystals either by hand or on a rotating polishing wheel.
		The Model 260 3-Axis Goniometer is constructed of hard-anodized aluminum and is used to hold crystals in the process of determining crystallographic orientation using either Laue back reflection or optical orientation techniques.
	www.emsdiasum.com /microscopy/products/materials/goniometer.aspx?mm=9 (1071 words)

	The Multitechnic Goniometer
		A motorised goniometer head including a z-translation stage is available to bring the sample to the goniometer centre, parallel to the goniometer vertical axis.
		The goniometer head is then mounted horizontally.For liquids, the incident beam is deflected downwards using a mirror (surface diffraction) or a crystal (reflectivity).
		The height of the goniometer is simultaneously adjusted as a function of the deflection angle.
	www.esrf.fr /exp_facilities/BM32/gmt/gmt.htm (431 words)

	Goniometer, Goniometer Base and Head
		The whole goniometer assembly is composed of the base, the goniometer itself and the head.
		The goniometer is mounted on the base, which can be shifted horizontally in a direction perpendicular to the x-ray beam.
		The lower section of the goniometer is firmly mounted on the base and thus can only move together with the base.
	saturn.med.nyu.edu /facilities/xray/goniometer.html (169 words)

	Wearable Goniometer Project Overview (Site not responding. Last check: 2007-11-03)
		Goniometers are often used by physical therapists and sports care professionals to observe and measure a patient's joint movement and/or range.
		The traditional hand-held goniometer (a "protractor" with a moveable arm) is suitable for measuring static joint angles, while electrogoniometers use potentiometers or strain gauges in up to two planes, allowing continuous, multi-axis joint angle measurements.
		Existing goniometer technology is quite suitable for measurements performed on a patient in a carefully controlled setting.
	darbelofflab.mit.edu /Goniometry/gonio.htm (495 words)

	Methods and Instruments of Mineralogy - goniometer, petrological microscope x-ray
		In 1874 Miller constructed a two-circle goniometer by adding a vertical circle to the usual horizontal circle instrument; this arrangement was modified by Fedorov in 1889 who used an autocollimating telescope in place of the collimator and telescope.
		In 1894 Tutton exhibited his single-circle crystal-grinding goniometer which he used later in preparation of the crystal plates and prisms for his extended investigations into the isomorphous series of the orthorhombic sulphates and selenates of potassium, rubidium, and cesium, and into other isomorphous series.
		This element of uncertainty was removed in 1924 by Weissenberg by use of the x-ray goniometer in which, during rotation of the crystal as in the simple rotation method, the photographic film is moved at a definite rate of translation and without rotation.
	www.minsocam.org /msa/collectors_corner/arc/instrument.htm (3609 words)

	Core Goniometer - IM006-Revision2
		The Pajari Core Goniometer is designed to hold the core firmly and conveniently as the procedures to restore the core to its original orientation in the earth are carried out.
		The surveyed magnetic heading (magnetic azimuth) at or near the end of the hole is used to orient the core held in the Collet to its original earthbound azimuth (direction).
		The Goniometer is oriented in the photo so that the center of gravity is most central in the Case.
	www.pajari.com /core_goniometer.htm (1667 words)

	ramé-hart Contact Angle Goniometers
		Through the use of this accessory, with the ramé-hart goniometer, controlled conditions of temperature and atmosphere are easily attained.
		By mounting the optical bench of the NRL Contact Angle Goniometer on the Tilting Base, it is possible to incline not only the substrate but the entire instrument, preserving the optics-to-specimen alignment.
		Use of this accessory with the ramé-hart goniometer permits liquid/liquid or liquid/liquid/solid studies to be performed at pressures of up to 68 Atmospheres and at temperatures to 230 C. Elevated temperatures are produced by integral electrical heaters.
	www.ramehart.com /goniometers/accessories.htm (812 words)

	Technical Report 99-010: Improving the Positional Accuracy of the Goniometer on the Philips CM SERIES TEM: Results
		Our hypothesis was that the source of inaccuracies in the goniometer arises from the variations in the slew rate as a function of the absolute position along a goniometer axis.
		The periodic variation is the same over the entire range of the goniometer movements although we have only plotted a small portion of the curve in the figure in order to emphasize the structure of the periodic variations.
		It is clear that the dependence of the Y axis heading as a function of the position of the goniometer should be incorporated into the model to further improve the accuracy of targeting.
	www.itg.uiuc.edu /publications/techreports/99-010/results.htm (1269 words)

	American RR Goniometer
		The lower telescope of instruments with vertically aligned coaxial telescopes, such as Roach's transit and Young's railroad goniometer, could be used for backsight alignment, setting of chords, as well as verification of the setup.
		The third railroad goniometer in extant is signed, "William Ewin, Baltimore Md." It stands 12 1/4" tall and is fit with a single silvered vernier.
		It appears from the few examples extant that the railroad goniometer was not the instrument of choice by most railroad engineers; The transit instrument being recognized as the preferred instrument.
	www.surveyhistory.org /american_rr_goniometer1.htm (795 words)

	The Original MIE Clinical Goniometer
		The clinical goniometer uses gravity as its reference rather than magnetic north and consequently is used vertically, whereas the compass is used horizontally.
		This is true irrespective of the shape of the subject, or where on the limb the goniometer is placed.
		Ensuring the goniometer does not move with respect to the limb which is being tested.
	www.mie-uk.com /Gonio (342 words)

	Lighting Research Group: Facilities: Goniometer (Site not responding. Last check: 2007-11-03)
		The gonio-photometer (or goniometer for short) is able to measure the illuminance from each portion of a lamp or fixture.
		There are three main components to the goniometer: (1) the rotating table that the fixture or lamp is placed on, (2) the long arm with a mirror on the end that rotates around the fixture and (3) a light sensor that measures the light reflected by the mirror.
		The light source (whether it is in a fixture or not) is placed in the middle of the goniometer, sitting on the rotating table.
	lighting.lbl.gov /l_facilities_gonio.html (457 words)

	CrystalStructures.com - Goniometer Heads
		This Goniometer Head is designed to fit on all standard types of optical and X-ray goniometer and diffractometer.
		This Goniometer Head can be used on all standard types of optical and X-ray goniometer and diffractometer.
		Total reproducibility of position, both angular and radial, is thus obtained when the goniometer head is replaced on the spindle.
	www.crystalstructures.com /Gonio.htm (824 words)

	[No title] (Site not responding. Last check: 2007-11-03)
		Goniometers rotate an object about a point located over the center of the top platform and the rotation point is unobstructed by the goniometer itself.
		The GON65-U upper goniometer has ±10° of rotational motion when used with a 25 mm travel actuator, and ±5° of motion when used with a 13 mm travel actuator.
		The motion on both goniometers can be securely locked using a hex screw on the side of the goniometer.
	www.newport.com /GON-Series-Goniometers/144554/1033/catalog.aspx (262 words)

	Goniometer - Wikipedia
		Ein Goniometer wird zur Messung von Winkeln benutzt.
		In der einfachsten Ausführung ist ein Goniometer ein Winkelmesser.
		Bei der Tonaufnahmetechnik in der Stereofonie hat das Goniometer, das auch Stereosichtgerät genannt wird, seine Bedeutung als Anzeige der Phasenlage der Tonsignale beziehungsweise der Ähnlichkeit zwischen beiden Kanälen L und R. Damit kann ein Überhandnehmen von teilweise gegenphasigen und auch verpolten Signalen vermieden werden, die sonst beim Mono-Anhören ausgelöscht werden.
	de.wikipedia.org /wiki/Goniometer (258 words)

	EPR: Goniometer
		The ER 218PG1 Programmable Goniometer has been designed to simplify and speed-up the previously tedious task of measuring EPR spectra of single crystals as a function of their angular position in the magnetic field.
		The goniometer uses a computer controlled stepper motor to position the sample with an angular resolution of 0.125 degree and a reproducibility of 0.5 degrees, independent of the direction of rotation.
		The goniometer ER 218G1 is a standard manual control goniometer with a nonius to accurately set the rotation angle.
	www.bruker-biospin.de /EPR/elexsys/accessory/pg1.html (183 words)

	Crystal Radiator Studies: The Goniometer (Site not responding. Last check: 2007-11-03)
		In practice the angle was adequately monitored using the stepping motor counts provided the motor was driven in one direction only since there was a significant backlash associated with direction changes.
		The goniometer was aligned to the beam such that the crystal would be centered on the beam with its
		The initial orientation of the crystal with respect to the beam was made possible by using the polished and optically flat surface of the crystal (visible in the photograph) as a mirror in conjuction with a commercial laser interferometer to measure the orientation.
	home.fnal.gov /~kasper/crystal/goniometer (619 words)

	NexGen Ergonomics - Products - Thought Ergonomics Suite Version 2.0
		In addition, the suite includes screens for the placement of a twin-axis goniometer at the wrist to measure extension/flexion and abduction/adduction, a single-axis goniometer at the elbow to measure flexion, and the use of a torsiometer to measure pronation/ supination.
		The 7 channel sets are as follows: 6 SEMG and 2 goniometers for legs, 4 goniometers for legs, 5 force and 3 goniometers or 5 force or 4 SEMG, 2 Goniometers and 2 force or 8 channels of force calibration and a channel set for 8 channels of goniometer calibration.
		There are 3 other channel sets: one for 5 channels of force, another for 5 channels of force with 3 goniometers, and a general channel set for 4 SEMG RMS channels, with 2 force sensors and 2 goniometers.
	www.nexgenergo.com /ergonomics/thoughtergo.html (972 words)

	NexGen Medical Systems - Products - Baseline Goniometers
		Stainless steel goniometer has two opposing 180° scales and one 360° scale, all marked in 1° increments.
		Robinson stainless steel pocket-sized goniometer has a 180° scale in 5° increments and a 5-inch/12½ cm linear scale.
		Clear plastic finger goniometer measures a range of 30° hyperextension and 120° flexion.
	www.nexgenergo.com /medical/baseline5.html (393 words)

	A Speech Synthesized Goniometer
		Computerized Goniometers and dual inclinometers are also available, in the thousands of dollar range and requiring IBM computers for data storage.
		As the goniometers arm is rotated, the resistance increases from zero to 50,000 ohms in an approximately linear fashion.
		The resistor is connected in a configuration known as a 'voltage divider' with a 10,000 ohm resistor and a.1 microfarad capacitor.
	home.pacifier.com /~mcginty/goni1.htm (1695 words)

	Patented Wrist Goniometer, Flexible Zero/Span Controls
		The results indicate that the differences between angular displacement calculated using the goniometer were not signicantly different from the calibration stand, with errors of 0.70 ±0.64° in the flexion/ extension plane and 0.667 ±0.68° in the radial/ulnar deviation plane.
		In a wrist-mounted evaluation of the goniometer with the electromagnetic tracking system, errors of 0.59 ±0.51°and 0.89 ±0.95°, respectively, were found.
		Linear regression was used to determine the slope and intercept of the relationship between the goniometer and the electromagnetic tracking system for the nine subjects who repeated the evaluation.
	www.spaceagecontrol.com /s050v.htm (914 words)

	Xcalibur 2 Goniometer, Oxford Diffraction
		This photograph shows much of the business end of the instrument, namely the X-ray source, the goniometer, the CCD camera, the digital video camera, and the Cryojet.
		The goniometer is in the crystal mounting position in this photograph.
		Water vapor condensing in the cold nitrogen stream is visible above the omega block of the instrument.
	chemweb.unp.ac.za /xraylab/Xcalibur_goniometer.htm (69 words)

	Goniometer WT-100
		The Goniometer Stages WT-100 and WT-85 are designed for all tasks where conventional rotation stages cannot be employed due to limited space conditions.
		The Goniometer Stages WT-100 and WT-85 are well-suited to each other.
		The Goniometer WT-100 is standardly equipped with two limit switches.
	www.micos-online.com /WT_100.html (194 words)

	Lighting Laboratory - Goniometer
		With the goniometer it is possible to measure the luminous intensity distributions of all kind of narrow beam lights such as car headlights, stoplights and other signal lights.
		The goniometer can be used in defining the photometric characteristics of the retro-reflectors.
		The measuring distance is from 1 m up to 50 m.
	www.lightinglab.fi /facilities/Goniometer/index.html (61 words)

	Lafayette Gollehon Extendable Goniometer - 01135
		Unlike standard goniometers that require the examiner to estimate alignment, the length of the extendable arms allows it to lie over anatomical bony landmarks.
		The dual scale of 0 - 180 degrees and 180 - 0 degrees is magnified four times, improving the accuracy of the reading, thus, reducing the chance for error.
		The Extendable Goniometer is affordable, costing little more than standard goniometers.
	www.wisdomking.com /product233306c85084.html (311 words)

	Mildex: Test Equipment: PC Auto-collimator: Comparison Goniometer
		Measurements are made in reflection for outer prism angles and in transmission for internal deviation angles.
		The autocollimator and collimator are interchangeable so that the required focal length or aperture can be selected according to the requirements (accuracy, field of view, eta) of the measurement.
		On request the goniometer can be equipped with other autocollimators/collimators depending on specific applications.
	www.mildex.com /testequip/goniometer.htm (577 words)

	Goniometers for Range of Motion Measurement
		Professional-quality Goniometers feature clearly marked degree increments and easy-to-read inch and centimeter linear measurements.
		A hyperextension finger Goniometer that can be held and operated with one hand.
		Measures extension/hyperextension and flexion of the digits from the dorsal surface of the hand for increased accuracy.
	www.rehaboutlet.com /goniometers.htm (1040 words)

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