Computer graphics processing and selective visual display system – Display peripheral interface input device – Cursor mark position control device
Patent
1997-04-29
1999-10-05
Zimmerman, Mark K.
Computer graphics processing and selective visual display system
Display peripheral interface input device
Cursor mark position control device
G09G 508
Patent
active
059631961
DESCRIPTION:
BRIEF SUMMARY
FIELD OF ARTS
The present invention relates to an image processing system utilizing analog joystick. More specifically, the present invention relates to an image processing system in which an analog joystick which outputs an operation signal according to an inclined direction and an inclined amount of a lever is connected to an image processor which generates on the basis of a program image data of an image displayed on a monitor such as a CRT and etc., and the image data, i.e. the image is modified in accordance with an operation of the lever by an operator.
PRIOR ARTS
A conventional game machine controller 1 shown in FIG. 1 includes a rectangular housing 1a, and a select switch 3 for selecting a game content, a start switch 2 for designating a start of the game, a cross direction switch 4 for designating a moving direction of a game character during the game, and two action switches 5a and 5b for selecting or designating an action of the character, all the switches being provided on an upper surface of the housing 1a.
In a game machine controller 1 shown in FIG. 2, in addition to the select switch 3, the start switch 2 and the cross direction switch 4, four action switches 5a, 5b, 5c and 5d are provided on the surface of the housing 1a', and two switches 6a and 6b are provided on a rear surface of the housing 1a' at positions that index fingers or middle fingers of both hands can reach while palms of the both hands are brought into contact with left and right side surfaces of the housing 1a'.
Furthermore, in a controller 1 shown in FIG. 3, a cross direction switch 4a and action switches 5a and 5b, and a cross direction switch 4b and action switches 5c and 5d are arranged on left and right housings 1a and 1b, respectively.
In the prior art controllers shown in FIG. 1 to FIG. 3, a direction signal for designating a direction that an image on the monitor is to be moved is outputted with utilizing the cross direction switch 4 or 4a (and 4b). However, in the conventional cross direction switch, switch contacts are provided at four directions of upper (North), lower (South), left (West) and right (East) on the monitor screen, that is, at four directions of front, rear, left and right in a case where the controller is viewed in plain, and according to a switch contact being turned-on, the direction signal which designates one of the four directions can be outputted. That is, the cross switches provided in the conventional controllers is a kind of digital joysticks. Therefore, there is an advantage that an upper direction signal and a right direction signal can be simultaneously obtained if the operator simultaneously depresses an upper direction designation button and a right direction designation button. However, there was a problem that the operator can not designate an arbitrary direction other than determined directions.
On the other hand, in Japanese Publication No. 5-19925 published on May 25, 1993, for example, an analog joystick which comprises a lever and outputs a direction signal determined by a direction that the lever is inclined has been proposed. The analog joystick utilizes rotatable variable resistors, and is capable of outputting a signal of the direction that the lever is inclined as well as a signal according to an inclined amount of the lever. However, in such a conventional analog joystick, in different from the digital joystick, it is impossible to simultaneously designate two directions, and therefore, there occurs an inconvenience according to the game content.
Specifically, it is considered that the analog joystick shown in the Japanese Patent Publication No. 5-19925 is applied to a racing game. At this time, it is assumed that if the lever is inclined toward upper (front), "stepping on an accelerator" is set, and if the lever is inclined toward lower (rear), "stepping on a brake" is set, and if the lever is inclined toward right, "wheel right" is set, and if the lever is inclined toward left "wheel left" is set. In such a case, if the conventional analog joystick is utilized, when
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Koshima Kazuo
Nishida Yasunari
Nishiumi Satoshi
Laneau Ronald
Nintendo Co. Ltd.
Zimmerman Mark K.
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