Printer and scanner презентация

Содержание

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A printer is the device intended for the conclusion of data

A printer is the device intended for the conclusion of data on a paper.
on a paper.

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Major descriptions of printers it is been: -width of carriage of

Major descriptions of printers it is been: -width of carriage of printer -speeds
printer -speeds of printing -discriminability of printer

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On the method of receipt of image on a paper, printers

On the method of receipt of image on a paper, printers are the
are the method of causing of dyeing material :

-matrix - stream -laser -light-emitting- diode - thermal

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Matrix printer. computer printer, creating an image on a paper from

Matrix printer. computer printer, creating an image on a paper from separate little
separate little points by a shock method. Matrix printers - the eldest from the printers applied to this day. Their mechanism was invented in 1964 by a corporation

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Stream printer

On principle of action ink-jet printers differ from matrix unstressed

Stream printer On principle of action ink-jet printers differ from matrix unstressed office
office hours due to that their plotting head is a set of not needles, and thin nozzles the diameters of that make the tenths of millimeter. The first firm making an ink-jet printer is "Hewlett-Packard". The era of domestic printers was begun with 1985

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Laser printer

Laser printers have more vast possibilities as compared to any

Laser printer Laser printers have more vast possibilities as compared to any other
other types of printers. They differ in high-rate enough of printing, but cost expensive.

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Light-emitting-diode printer

one of types of printers, showing by itself the parallel

Light-emitting-diode printer one of types of printers, showing by itself the parallel branch
branch of development of technology of the laser printing. Light-emitting-diode technology of printing was invented by a firm Casio. The first light-emitting-diode printer was produced in a sale by a company OKI in 1987, and in 1988 by the same company the first cultured light-emitting-diode printer was produced.

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Light-emitting-diode printer

Light-emitting-diode printer

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On a matrix printer even today subzero enough discriminability and he

On a matrix printer even today subzero enough discriminability and he is not
is not quite intended for adequate ­work to the photo and other high-quality images.

Thermal printer

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scanner - a device analyzing that some object (an image, text,

scanner - a device analyzing that some object (an image, text, is ordinary)
is ordinary) creates the digital copy of image of object.

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In 1857 the Florentine abbot Giovanni Caselli invented a device for

In 1857 the Florentine abbot Giovanni Caselli invented a device for an image transfer on distance
an image transfer on distance

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principle of action. The scanned object is laid on glass of

principle of action. The scanned object is laid on glass of plane-table by
plane-table by the scanned surface downward. Under glass a movable lamp motion of that is regulated by a foot-pace engine is situated. principle of action. The scanned object is laid on glass of plane-table by the scanned surface downward. Under glass a movable lamp motion of that is regulated by a foot-pace engine is situated.

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principle of action.

principle of action.

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Plane-table scanner high quality and acceptable speed of scan-out.

Plane-table scanner high quality and acceptable speed of scan-out.

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Hand scanner subzero permission, small speed of work, narrow stripe of

Hand scanner subzero permission, small speed of work, narrow stripe of scan-out, the
scan-out, the defects of image are possible, as to the user will difficult move a scanner with permanent speed

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the sheet of paper is inserted in a crack and stretched

the sheet of paper is inserted in a crack and stretched out on
out on directing rollers into a scanner by a lamp.

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book scanner allow considerably to promote safety of documents in archives,

book scanner allow considerably to promote safety of documents in archives, due to
due to the very delicate handling originals.

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planetary scanner are used for the scan-out of books or easily

planetary scanner are used for the scan-out of books or easily damaged documents.
damaged documents. At a scan-out there is not a contact with the scanned object

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Drum scanner are used in a polygraphy, have a large license

Drum scanner are used in a polygraphy, have a large license
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