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	Pantograph - Wikipedia, the free encyclopedia
		A pantograph (from Greek roots παντ- 'all, every' and γραφ- 'to write', from their original use for copying writing) is a mechanical linkage connected in a special manner based on parallelograms so that they move in a fixed relationship to each other.
		The first pantograph was constructed in 1630 by Christoph Scheiner, who used the device to re-create diagrams.
		A type of pantograph was used in the early days of sound recording to duplicate phonograph cylinders in the late 19th century.
	en.wikipedia.org /wiki/Pantograph (413 words)

	Pantograph (rail) - Wikipedia, the free encyclopedia
		A pantograph is the name commonly given to the arms that collect current from overhead lines on electric trains or trams.
		Pantographs are the successor technology to trolley poles, which were widely used on early streetcar systems and still are used by trolleybuses, whose freedom of movement and need for a two-wire circuit makes pantographs impractical, and by some streetcar systems, although in most cases only heritage lines which use old-fashioned vehicles.
		Pantographs with overhead wires are now the dominant form of current collection for modern electric trains, because while they are more expensive and fragile than a third-rail system, they also allow for higher voltages.
	en.wikipedia.org /wiki/Pantograph_(rail) (733 words)

	PANTOGRAPH - LoveToKnow Article on PANTOGRAPH (Site not responding. Last check: 2007-10-08)
		Lines are engraved on the arms BD and PD, to indicate the positions to which the sliders must be set for the ratios 1/8, 1/8 which are commonly required.
		It is composed of three graduated,bars, one of which is held over a fulcruqs and carries the others, which are lighter, one at each extremity.
		The bars may be readily set by their graduated scales to positions in which the distances of the pencil and the pointer from the fulcrum will always be in the ratio of the given and the required map scales.
	www.1911encyclopedia.org /P/PA/PANTOGRAPH.htm (504 words)

	Document Security Systems > AuthentiGuard Pantograph 4000 Check 21 technology (Site not responding. Last check: 2007-10-08)
		However, some of the pantograph technologies still being sold today were designed in the 1970s for photocopiers, not the digital scanning copiers or desktop scanners of today.
		Other pantographs were developed in the mid-1990s and have a success rate of only about 40% on today’s digital imaging devices.
		This void pantograph should be considered as part of the growing portfolio of Homeland Security technologies now available to both public and private entities concerned about terrorist use of forged documents.
	www.documentsecurity.com /technology/technology_pantograph.aspx (635 words)

	Pantograph Dept
		Utilizing Gorton P2-3 Pantographs we are able to machine parts to extremely close tolerance.
		The pantograph is what allows us to manufacture shrouded wheels from solid forgings.
		Pantograph operators are among the most skilled of all machinist.
	www.a1contours.com /pantograph_department.htm (117 words)

	Train Pantograph Wind Noise (Site not responding. Last check: 2007-10-08)
		The general approach is to divide the problem intotwo parts: a flow calculation to determine the unsteady air flow generating the sound and an acoustics calculation to determine the sound propagation.
		The pantograph and aerodynamic cover being analyzed is shown in Figure 1.
		The caculation of the unsteady flow over the pantograph cover to predict the pressure fluctuations over the model surface was performed with the SPECTRUM solver.
	www.ara.com /arasvo/wind.htm (229 words)

	Highspeed pantograph
		The British pantograph needed to be mounted on a framework to raise it to enable the pantograph to reach the OHLE, which is approx.
		Developments in pantograph head design, which had their roots at BR's Old Dalby test track, have been adopted by train companies and can be seen on nearly all the Faiveley pantographs in the UK.
		The original 'Highreach' Brecknell Willis pantographs are also employed on the Tyne and Wear Metro and increasingly on the UK rail network and world-wide.
	www.traintesting.com /Highspeed_pan.htm (1557 words)

	3D Laser Pantograph ALPHA \| ArcTron GmbH
		The original concept was for an instrument that enabled rapid three dimensional feature documentation on archaeological excavations and for inventory recordings in buildings and historic monuments heritage.
		A digital laser pantograph is an "all-round" drawing instrument which can survey three dimensional spatial vectors and convert them into 3D vector drawings on a connected microcomputer in real time.
		The new version of our Laser pantograph ALPHA has been completely redesigned and is primarily intended for the rapid generation of three dimensional documentation on archaeological excavations and for making inventories in the heritage sector.
	www.arctron.com /3D_Surveying/3D_Laser_Pantograph/index.php (207 words)

	Craftsman.com \| Craftsman Club \| Woodworking Tips \| Pantograph
		If you are using the plastic stencil lettered style pantograph machine (as opposed to the paper pattern letters), be sure to carefully "close" the stencil letter vertical gaps on your sign.
		You are going to have to do letter spacing (or kerning) manually with the pantograph machine, as you're only tracing one letter at a time and not a proportionally spaced row of them.
		I'm sorry I don't know why the Sears pantograph machine is not working well for you at 5-1/2 inches high at 50%.
	www.craftsmantooltalk.com /BBS/Woodworking_Tips/102/102/flat-page1.html (503 words)

	:: Pantograph Services - Suppliers to the Engraving & Sign Trade ::
		Pantograph Services can offer a full range of computer controlled and manual engraving machines which can all be demonstrated at our Leeds premises.
		Pantograph Services are able to offer you a comprehensive servicing and repair facility throughout the country.
		This reconditioning and repair service also applies to accessories and spares such as :- broken copy table bosses, re-machined pulleys, pulley assemblies re-built, metal spraying for broken castings, spindle and pantograph overhauls (in some cases we can offer a loans service while your equipment is being repaired).
	www.pantograph.co.uk /service.htm (281 words)

	BR/Brecknell,Willis highspeed pantograph
		During the early stages of this work it became obvious to the engineers involved that neither the Faiveley nor the GEC (AEI) cross-arm pantograph, which were the two main pantographs in use on BR at the time, could be used in their standard form for this type of experimental work.
		However, the Faiveley 'bicycle frame' pantograph was thought to be the better of the two types and accordingly various modifications were carried out to a pantograph including adding an extra arm and fitting air suspension but to no avail.
		Developments in pantograph head design, which had their roots at Old Dalby, have been adopted by train operating companies and can be seen on nearly all the existing Faiveley pantographs in the UK.
	www.old-dalby.com /Brecknell.htm (922 words)

	artnet.com: Resource Library: Pantograph (Site not responding. Last check: 2007-10-08)
		Instrument used by artists, draughtsmen and technical designers to copy an original drawing, diagram or plan on the same, or on an enlarged or reduced scale; it is sometimes erroneously referred to in commercial and technical use as a pentagraph.
		The pantograph is made of rods and pins in the form of a parallelogram (the name by which it was first known in the 17th century) and uses the same principle as that found in the geometric figure: that it can easily change its configuration but will always remain a parallelogram.
		The pantograph is supported on castors, and the joints of the rods are very loose, so it moves extremely easily but can be difficult to control.
	www.artnet.com /library/06/0651/T065106.asp (268 words)

	Cognoscenti pantograph @ Ted Harris Custom Cues
		Here's the Scripta pantograph with a Haas digital indexer with a cue stick mounted in it for inlaying mounted right behind the template table.
		There is also a vacuum table that is used to hold down the inlay material for cutting into parts.
		In the bottom right hand corner is a little piece of the vacuum table, sitting on top of one of the dehumidifiers.
	www.tedharris.com /shoptour_08_pantograph.htm (241 words)

	Railway Age: Germany tests "actively-controlled" pantograph - World Update - Brief Article
		The pantograph automatically adjusts its pressure on the catenary, enabling operation at higher speeds on sections of line that have not been specially equipped.
		The test train, consisting of a locomotive at each end, a test coach, and seven conventional coaches, carried out trial runs between Donauworth and Augsburg, where the maximum speed is normally 125 mph.
		DR's expectations are high: increasing the capacity of the line without any extra construction, less wear and tear, and a 10 decibel reduction in noise at high speed.
	www.findarticles.com /p/articles/mi_m1215/is_9_204/ai_108788428 (264 words)

	Pantograph (Site not responding. Last check: 2007-10-08)
		Travtec manufacture a wide range of Pantograph Systems suitable for mounting Continuous and Drop on Demand Inkjet Printers.
		Pantograph Systems are specially designed to suit the individual application, and can be used for applying print to Bulk Bags (IBC's), Oil Drums and Large Containers.
		The pantograph comes complete with a shaft encoder and wheel for following the contour of the container, a rigid mounting for the printhead and an adjustable floor stand.
	www.travtec.uk.com /pantograph.htm (104 words)

	Adjusting pantograph height
		Unfortunately, the MSTS models are unable (and will never be able) to detect this to set the pantograph height accordingly.
		Adjusting the height is not a simple matter of scaling (though you could do this but the loco would look a bit odd) - the angles of the pantograph animation need to be changed.
		Now the height achieved depends on how long the pantograph arms are, so it may take a bit of trial and error to get the correct values for your wire height.
	steam4me.railpage.org.au /trainsim/tutorials/Pants_up.htm (455 words)

	APT Prototype
		As part of the development of the BR/Brecknell Willis high speed pantograph the author was involved with pantograph testing on the ill-fated 25 kV electric Class 370 prototype version (APT-P) on the WCML in England and in Scotland.
		This built upon the successful development of the pantograph at Old Dalby and the APT-P (or P-train as it was known) was the only traction unit which could test the pantograph to its limits.
		After much in-fighting between the Research Division and the DMandEE, the BR/Brecknell Willis high speed pantograph was eventually fitted to an APT power car in mid-1980 after one of the original APT pantographs had struck and damaged an OHLE registration arm at Blisworth, due to excessive pantograph uplift.
	www.traintesting.com /APT-P.htm (1245 words)

	World of Trainz - 3ds Pantograph Animatiion Tutorial
		A short description of the pantograph that will be displayed on the download station
		In this case it is a pantograph so the class is zp
		Year periods that the pantograph was used in.
	www.worldoftrainz.com /Pages/TutorialsTRS/3dsAnimPantographTutTRS.htm (1116 words)

	World of Trainz - Gmax Pantograph Animation Tutorial
		Now that you have exported the file into the Trainz formats you will need to set up a directory structure and create a config file for the pantograph.
		The 57000 is the recomended range for a pantograph
		This tells Trainz that it is a Pantograph and not a loco or scenery object etc
	www.worldoftrainz.com /Pages/TutorialsTRS/GmaxAnimPantographTutTRS.htm (1193 words)

	Devices, Haptics Laboratory, McGill
		The pantograph has one prominent characteristic: the surface which is being touched neither needs to be grasped not does it need to brace a finger (from an ecological view point, people very seldom use styluses or thimbles to explore objects.
		Using the pantograph resembles exploring surfaces though a small plate, which is closer to normality).
		Another feature is very high fidelity: accidents in the frequency response start at 400Hz and it has 3 orders of magnitude of dynamic range.
	www.cim.mcgill.ca /~haptic/devices/pantograph.html (1354 words)

	Sheldon Brown's Bicycle Glossary P
		A pantograph is a 4-bar/4-pivot mechanical linkage that is used to copy designs, sometimes in different sizes.
		If the 4 arms are all the same length, the copy is the same size as the stencil, but by varying the arm length you can make a pantograph enlarge or reduce graphics.
		A pantograph with an engraving tool is commonly used to engrave names in bicycle parts.
	www.sheldonbrown.com /gloss_p.html#presta (4395 words)

	Reference.com/Encyclopedia/Pantograph (rail)
		The term originates in the similar appearance they share with the earlier devices for copying writing and drawings, both being constructed of hinged interlocking arms.
		They set up standing waves in the wires which can degrade current collection.
		Most metro systems are powered by a third rail, but some use pantographs, particularly ones that involve extensive above-ground running.
	www.reference.com /browse/wiki/Pantograph_(rail) (249 words)

	ArtLex's P-Par page
		Pantographs are based on the simple principle of the parallelogram in Euclidean geometry understood 2300 years ago.
		The artist moves a pointer attached to one part of the pantograph along the
		Also see geometric, mathematics, pantograph, parallelepiped, quadrilateral, rectangle, rhombohedron, square, trapezium, and trapezoid.
	www.artlex.com /ArtLex/P.html (4677 words)

	Pantograph linkage system (US4437635)
		A pantograph linkage system for use in a manipulating tool comprises a pair of pantographs linked together in parallel.
		Each pantograph consists of a pair of arms held in a fixed relative orientation and the two arms comprise components of parallel linkages.
		A tool holder appropriately mounted on the free end of the arms can then be moved in all three dimensions without changing its spatial orientation.
	www.delphion.com /details?&pn10=US04437635 (154 words)

	Feynman's Talk
		But you can't work directly through a pantograph which makes a smaller pantograph which then makes a smaller pantograph---because of the looseness of the holes and the irregularities of construction.
		The end of the pantograph wiggles with a relatively greater irregularity than the irregularity with which you move your hands.
		In going down this scale, I would find the end of the pantograph on the end of the pantograph on the end of the pantograph shaking so badly that it wasn't doing anything sensible at all.
	www.zyvex.com /nanotech/feynman.html (6158 words)

	Pantograph,Railroad,Railway,Electrification
		Because stagger limitations are relaxed, far fewer stanchions are required, and these are lighter than those required for conventional catenary electrification, with all on-site catenary fabrication eliminated.
		Contact between the contact-wire and the collector-head is maintained by a tracking pantograph whose operation is absolutely compatible with conventional catenary electrification in all respects.
		Accordingly, no special catenary frogs or electronic switches are required at turnouts.
	www.pages.drexel.edu /~garfinkm/PantoIntro.html (212 words)

	Pantograph Fueling Systems
		Millennium Systems International is proud to supply Cla-Val Pantograph Systems for Hot Pit Refueling/Defueling of Fixed and Rotary Wing Military Aircraft, as well as Bottom Loading of Refueler Trucks.
		Meyerinck multi-axis, non-lubricated, stainless steel swivel joints are the heart of each pantograph system.
		Cla-Val Pantographs are both USAF and NATO approved.
	www.millenniumsystemsintl.com /pantograph/pantograph.htm (131 words)

	Pantograph Reach AGV (Automated Guided Vehicle)
		The Pantograph Reach type AGV (Automated Guided Vehicle) is a very flexible vehicle for handling pallets, racks, and other stable loads.
		It can interface with loads positioned on the floor, on conveyor, in racks and stands.
		The dimensions of the pantograph reach vehicle vary with the load weight and dimensions.
	www.fmcsgvs.com /content/products/pantograph_reach.htm (59 words)

	pantograph (Site not responding. Last check: 2007-10-08)
		"Pantograph" is a drawing instrument to magnify figures.
		Tracing the original figure by moving the red point, we can automatically obtain the magnified figure with the pen at the blue point.
		Drag the red point to draw the figure.
	www.ies.co.jp /math/java/geo/panta/panta.html (56 words)

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