Computer graphics processing and selective visual display system – Display peripheral interface input device – Cursor mark position control device
Reexamination Certificate
1999-03-19
2001-09-04
Saras, Steven (Department: 2675)
Computer graphics processing and selective visual display system
Display peripheral interface input device
Cursor mark position control device
Reexamination Certificate
active
06285352
ABSTRACT:
BACKGROUND OF THE INVENTION
1. Field of the invention
The present invention is related to a move-in-company style joy stick, and especially to a move-in-company style joy stick of which internal elements move in company therewith and thereby amount of displacement in operation can be detected. In this way, the whole joy stick can get rid of limitation of the bottom receiving-seat.
2. Description of the Prior Art
A conventional joy stick used for a computer or a television game device mostly is provided at the central position of a bottom receiving-seat. By shaking of the joy stick, internal gratings in the bottom receiving-seat move relatively, in this way, the required amount of displacement in operation can be obtained. However, the joy stick must be combined in operation with the bottom receiving-seat, this makes much inconvenience. In order to make clear of the structure and functions of the conventional joy stick,
FIG. 1
is taken as a reference for explanation:
A conventional joy stick has a control rod
10
with a suitable length for holding by a user, the control rod
10
is provided near the central position of a bottom receiving-seat
11
. The bottom receiving-seat
11
is provided internally thereof with a horizontal grating
12
and a vertical grating
13
connected operationally with the control rod
10
. The horizontal grating
12
and the vertical grating
13
are mounted respectively in a detecting device
14
and a detecting device
15
. When the user moves the control rod
10
, the end
16
of the control rod
10
moves synchronically the gratings
12
and
13
, the detecting devices
14
,
15
can thereby detect the required amount of displacement in operation. And the joy stick can get the control function.
The main defect of such a conventional joy stick is that the control rod
10
for moving must be connected to the bottom receiving-seat
11
with a specified size. In order to prevent from instability induced by shaking and moving of the whole joy stick when force is applied in using, the bottom receiving-seat
11
must have quite a large bottom area. This makes the necessity of a larger volume of the bottom receiving-seat
11
. And if the user wants to control the joy stick at a farther distance or in a more comfortable posture, the control rod
10
shall be moved together with the bottom receiving-seat
11
as a whole, inconvenience results in such operation.
SUMMARY OF THE INVENTION
The main object of the present invention is to provide a move-in-company style joy stick, wherein, the knob of the move-in-company style joy stick is provided internally with a ball with a suitable size. The ball is added with a weight at the lower portion thereof. A horizontal grating and a vertical grating are provided therein and are provided respectively with a coaxial roller; these rollers contact the ball at the levels slightly lower than the horizontal central line of the ball. The ball with the added weight rubs the rollers in rotation when the joy stick is moved, thereby, the required amount of displacement in operation can be obtained. In this way, the whole joy stick itself is able of detect the required amount of displacement thereof. It can therefore operate independently and is out of limitation of requiring a bottom receiving-seat of large volume.
The present invention will be apparent in the novelty and other features thereof after reading the detailed description of the preferred embodiment thereof in reference to the accompanying drawings.
REFERENCES:
patent: 4587510 (1986-05-01), Kim
patent: 5528265 (1996-06-01), Harrison
patent: 5984785 (1999-11-01), Takeda et al.
patent: 6101893 (2000-08-01), Wergen
patent: 6121955 (2000-09-01), Liu
Bell Paul A.
Dougherty & Troxell
Saras Steven
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