Tìm hiểu về con chuột máy tính

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Trường cao đẳng kinh tế kĩ thuật
Tìm hiểu về con chuột máy tính
Tìm hiểu về con chuột máy tính


GVHD:Đỗ Cao Chinh
GVHD:Đỗ Cao Chinh
SVTH: Nông Hồng Phúc
SVTH: Nông Hồng Phúc


Trương Quang Trung
Trương Quang Trung
2
Learn about computer mouse
Learn about computer mouse


Index
Index


:
:
1. life history


2.
2.
Touch Mechanism

Touch Mechanism
3.
3.
Connector style
Connector style
4.
4.
The keys and scroll wheel
The keys and scroll wheel
5.
5.
Speed and accuracy
Speed and accuracy
6.
6.
Variants of the Mouse
Variants of the Mouse


3
1. life history:


Anyone who uses a computer knows the role
Anyone who uses a computer knows the role
and influence of the utmost importance mouse
and influence of the utmost importance mouse
(mouse) computer how! Douglas Engelbart was
(mouse) computer how! Douglas Engelbart was
invented in 1964, it is not anything new or too

invented in 1964, it is not anything new or too
much trouble, but is an indispensable component
much trouble, but is an indispensable component
in the past few decades. In many years of
in the past few decades. In many years of
development, computer mouse also has many
development, computer mouse also has many
changes and improvements, not only in design but
changes and improvements, not only in design but
also sensor technologies. Mouse sensitivity and
also sensor technologies. Mouse sensitivity and
now features much better than a few years ago.
now features much better than a few years ago.
4
5
2
2
. Touch Mechanism:
. Touch Mechanism:


a. Mechanics:
a. Mechanics:
This is the beginning of the mouse mechanism and
This is the beginning of the mouse mechanism and
extends dozens of years later and still can find all
extends dozens of years later and still can find all
kinds of mouse balls (a branch of the mechanism
kinds of mouse balls (a branch of the mechanism
of induction) in the shop. Computer mouse first

of induction) in the shop. Computer mouse first
appeared in the world of good size with two
appeared in the world of good size with two
wheels perpendicular to each other and you will be
wheels perpendicular to each other and you will be
using both hands to control it: a hand holding a
using both hands to control it: a hand holding a
mouse and holding a small keyboard
mouse and holding a small keyboard
approximately 5 buttons. By 1970, engineers at
approximately 5 buttons. By 1970, engineers at
Xerox PARC Bill Tiếng Việt wheel was replaced
Xerox PARC Bill Tiếng Việt wheel was replaced
with a classic ball-known that we all know.
with a classic ball-known that we all know.
6


This marbles can move in any direction, this
This marbles can move in any direction, this
motion will be two small wheels inside the
motion will be two small wheels inside the
mouse recognized, the wheel has small slits
mouse recognized, the wheel has small slits
allow a flash of light to the touch through the
allow a flash of light to the touch through the
other side, each interrupt will indicate the mouse
other side, each interrupt will indicate the mouse
is moved. Finally, a sensor signal will collect and
is moved. Finally, a sensor signal will collect and

review the value of the corresponding
review the value of the corresponding
coordinates of the mouse on the screen. This
coordinates of the mouse on the screen. This
design is used throughout the 80s, 90. modern
design is used throughout the 80s, 90. modern
design that you see the original design at the
design that you see the original design at the
academy EPFL (the heart of European
academy EPFL (the heart of European
technology that period), then the finished
technology that period), then the finished
product is marketed through a first branch of the
product is marketed through a first branch of the
EPFL which later became one of the pointing
EPFL which later became one of the pointing
device manufacturer (Pointing Device) names -
device manufacturer (Pointing Device) names -
Logitech
Logitech
7
b
b
. Optical:
. Optical:




The mechanism of optical mice is remarkable

The mechanism of optical mice is remarkable
progress in fabrication of the mouse. It removes
progress in fabrication of the mouse. It removes
all mechanical components (bearings and
all mechanical components (bearings and
wheels), replaced by a micro-capture device. This
wheels), replaced by a micro-capture device. This
device will continuously capture the surface that
device will continuously capture the surface that
the user moves the mouse and through the
the user moves the mouse and through the
comparison between these photos, the processor
comparison between these photos, the processor
inside the mouse coordinates will be calculated.
inside the mouse coordinates will be calculated.
Roughly speaking, the mouse ball using optical
Roughly speaking, the mouse ball using optical
sensors to capture the motion of the ball, then
sensors to capture the motion of the ball, then
use the mouse optical recording device to
use the mouse optical recording device to
capture the motion of the surface.
capture the motion of the surface.
8


In fact, to calculate exactly the right shots well.
In fact, to calculate exactly the right shots well.
So the first important task is to have the device
So the first important task is to have the device

illuminates the surface and a device called a red
illuminates the surface and a device called a red
LED is used for this. When illuminated surface,
LED is used for this. When illuminated surface,
light rays will be reflected and focused through a
light rays will be reflected and focused through a
lens before touching the sensor. Thus the image
lens before touching the sensor. Thus the image
will be very detailed. The advantage of next
will be very detailed. The advantage of next
generation optical mice are not organs should be
generation optical mice are not organs should be
absolutely no fear of failure due to corrosion or
absolutely no fear of failure due to corrosion or
dirt. The maintenance is very simple (just wipe
dirt. The maintenance is very simple (just wipe
the eye to read is finished). Addition of detail
the eye to read is finished). Addition of detail
and sensitivity of optical sensor mechanism is a
and sensitivity of optical sensor mechanism is a
lot better.
lot better.
9


However, no optical mouse can work on
However, no optical mouse can work on
transparent or glossy surface, and the showy
transparent or glossy surface, and the showy
surface, the mouse does not operate correctly. This

surface, the mouse does not operate correctly. This
is true with the first generation rats. In addition,
is true with the first generation rats. In addition,
some mice are inexpensive image processing
some mice are inexpensive image processing
system less will not be able to calculate when the
system less will not be able to calculate when the
user moves with high speed (high mouse speed can
user moves with high speed (high mouse speed can
be moved by up to 1 m / s .) and weaknesses of
be moved by up to 1 m / s .) and weaknesses of
the optical mouse is the ultimate crash more
the optical mouse is the ultimate crash more
electricity than mechanical mice.
electricity than mechanical mice.
10
c
c
. Laser:
. Laser:


Laser sensor technology is the latest and most
advanced today. Not only inherits all the
advantages of optical laser mouse that has
many characteristics of other Vietnamese
priority. First introduced in 2004 under the
cooperation of Logitech and Agilent
Technologies, Logitech MX1000 is the first
representative of the generation laser mouse

appeared on the market. This mouse uses a
small laser replacement for small conventional
LEDs. Laser technology allows light rays have a
higher concentration and stability in particular.


11


Thus mice can increase the detail of the
Thus mice can increase the detail of the
image capture up to 20 times on the
image capture up to 20 times on the
theory. However MX1000 not respond
theory. However MX1000 not respond
immediately when you pick it up and let
immediately when you pick it up and let
down, this is due to energy-saving
down, this is due to energy-saving
features of it (later versions do not fall
features of it (later versions do not fall
into that).
into that).
12
13
3. CONNECTOR STYLE:
3. CONNECTOR STYLE:


a. Wired:

a. Wired:




Serial:
Serial:
serial mouse uses a serial port (also
serial mouse uses a serial port (also
called a COM port) are very common in 90th
called a COM port) are very common in 90th
decade but is now very rare, partly because
decade but is now very rare, partly because
the COM port and slow aging gradually
the COM port and slow aging gradually
eliminated from the next generation computer
eliminated from the next generation computer
new. In addition, the dominance of USB also
new. In addition, the dominance of USB also
contributed "off" it is history.
contributed "off" it is history.
PS2: used in a long time and now still, every
PS2: used in a long time and now still, every
motherboard has two PS2 ports for mouse and
motherboard has two PS2 ports for mouse and
keyboard. However, also affected the PS2's
keyboard. However, also affected the PS2's
USB gradually being pushed to the brink of
USB gradually being pushed to the brink of
extinction.

extinction.