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Презентация на тему Printer and scanner

The printer - a device designed to print information from a computer onto paper, or, as they say in the "computer" language to a solid support. At the same time he called the information transfer process
Printer and scannerПодготовила студентка группы ИНК-11:Якимова Валерия The printer - a device designed to print information from a computer The mechanism of dot-matrix printer (the oldest of the types of printers Dot matrix printers, although it was forced out of office and the The principle of an inkjet printer is similar to the action of The ink may be:water (used in most household and office equipment);oil (used Laser technology (to be precise - electro photographic technology) appeared in 1938. LED printAn offshoot of laser technology is the LED printer. Their Drum printers also have fallen into disuse, although the speed of their Flap (or chamomile) ScannersScanners are primarily designed to convert information that is on paper into electronic format. flatbed scannersFlatbed scanners are the most common and user-friendly. Flatbed scanners Hand-held scannersThe hand-held scanner is no engine. The object that you Book scannersDesigned to stitch up the scanning of documents. In contrast to Planetary scannersIn such scanners, there is no contact with the object of Drum scannersThey provide a very high quality scanning. They are used in the printing industry. Barcode scannersDesigned for use in stores to scan the bar code of the product. Slide scannersDesigned for film scanning slides. 3D scannersDesigned to scan real physical objects. During this scan the Ultrasound scannersDesigned exclusively for use in medicine for the study of internal organs. Thank you for 	attention!
Слайды презентации

Слайд 2 The printer - a device designed to print

The printer - a device designed to print information from a

information from a computer onto paper, or, as they

say in the "computer" language to a solid support. At the same time he called the information transfer process printing, and the resulting document - printing.

PRINTER


Слайд 3 The mechanism of dot-matrix printer (the oldest of

The mechanism of dot-matrix printer (the oldest of the types of

the types of printers used today) was invented by

the Japanese in 1964.
It works, in general, is simple. The image on the sheet is created by the print head, consisting of a set of needles (matrix), which are driven by electromagnets.

Matrix printer


Слайд 4 Dot matrix printers, although it was forced out

Dot matrix printers, although it was forced out of office and

of office and the scope of more modern devices

are still used in some areas. Thus, printing sales receipts based on such a principle.
Low quality, similar to the typewriter, no longer allows the use of matrix devices in other areas. Furthermore, among the disadvantages of data printers - low-speed printing and noisy work.

Слайд 5 The principle of an inkjet printer is similar

The principle of an inkjet printer is similar to the action

to the action of the matrix: the image is

created from points. Only heads with needles instead of matrix used in these (head), which prints the liquid dyes.

Jet printer


Слайд 6 The ink may be:
water (used in most household

The ink may be:water (used in most household and office equipment);oil

and office equipment);
oil (used for industrial marking);
pigment (the best

option for high-quality images - photos, for example);
Solvent (used for printing outdoor advertising, posters, stands as resistant to water);
thermal transfer (with the help of their image is put on the clothes).

Слайд 7 Laser technology (to be precise - electro photographic

Laser technology (to be precise - electro photographic technology) appeared in

technology) appeared in 1938. This printing method, called electrography

first, then - xerography and today more commonly known as laser printing, designed for speed, efficiency and high quality print.

Print speed is significantly higher than that in the ink jet printer (even personal laser printer - 10-20 ppm).

The advantage of the laser printer is also its ability to print on virtually any paper, without losing as a fingerprint.

Laser printer


Слайд 8 LED print

An offshoot of laser technology is the

LED printAn offshoot of laser technology is the LED printer.

LED printer. Their difference - in the source of

light. Instead of a single laser beam - a whole line of LEDs. Each point corresponds to a line in the LED, so the light source does not move, unlike the laser technology.

This - the first advantage: less mechanics - the higher the level of reliability. The second advantage - High Speed ​​(40 ppm). In addition, the print quality is higher than that of the laser printer, since there are no jitter distortion.
However, there is an LED printer is one significant drawback - the high cost.

Слайд 9 Drum printers also have fallen into disuse, although

Drum printers also have fallen into disuse, although the speed of

the speed of their work has been and remains

the highest among all existing printers.
It got its name due to the main element - the drum equal to the width of the sheet, with relief image of letters and numbers.

Drum printers


Слайд 10 Flap (or chamomile)

Flap (or chamomile)     		 PrintersFlap (or

Printers

Flap (or chamomile) printers on

the principle of operation is similar to the drum, only a set of letters located on the floppy disk petals, which rotated.
The desired tab pressed against the ink ribbon and paper, leaving an imprint. Get color imprint could be putting a tape of another color.

Слайд 11 Scanners
Scanners are primarily designed to convert information that

ScannersScanners are primarily designed to convert information that is on paper into electronic format.

is on paper into electronic format.


Слайд 12 flatbed scanners
Flatbed scanners are the most common and

flatbed scannersFlatbed scanners are the most common and user-friendly. Flatbed

user-friendly. Flatbed scanners are capable of providing high quality

and reasonably good scanning speed. In appearance reminiscent of the tablet.
If you open the scanner cover, the inside is transparent glass and underneath the scanning mechanism. The object to be scanned lies down on the glass scanning surface. The lid must be closed.

Слайд 13 Hand-held scanners
The hand-held scanner is no engine. The

Hand-held scannersThe hand-held scanner is no engine. The object that

object that you want to scan the user must

be moved manually. The only advantage of these scanners is low cost. But handheld scanners have a lot of shortcomings:
Low resolution;
Low scan quality (image may be skewed because the scanner manually moved at a constant speed rather problematic);
Low speed;

Слайд 14 Book scanners

Designed to stitch up the scanning of

Book scannersDesigned to stitch up the scanning of documents. In contrast

documents. In contrast to the flatbed scanner scans it

is carried out face up. Book scanners provide excellent scan quality, and even able to smooth out distortions, which are inevitable in the excesses of the book.

Слайд 15 Planetary scanners
In such scanners, there is no contact

Planetary scannersIn such scanners, there is no contact with the object

with the object of being scanned, so they are

designed primarily for documents that are easily damaged. It may also be used for scanning books.

Слайд 16 Drum scanners
They provide a very high quality scanning.

Drum scannersThey provide a very high quality scanning. They are used in the printing industry.

They are used in the printing industry.


Слайд 17 Barcode scanners

Designed for use in stores to scan

Barcode scannersDesigned for use in stores to scan the bar code of the product.

the bar code of the product.


Слайд 18 Slide scanners

Designed for film scanning slides.

Slide scannersDesigned for film scanning slides.

Слайд 19 3D scanners

Designed to scan real physical objects. During

3D scannersDesigned to scan real physical objects. During this scan

this scan the real object is digitized and obtained

three-dimensional computer model of the object.

Слайд 20 Ultrasound scanners

Designed exclusively for use in medicine for

Ultrasound scannersDesigned exclusively for use in medicine for the study of internal organs.

the study of internal organs.


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