Coded data generation or conversion – Analog to or from digital conversion – Analog to digital conversion
Patent
1997-11-19
1999-11-30
Mengistu, Amare
Coded data generation or conversion
Analog to or from digital conversion
Analog to digital conversion
463 38, G09G 508
Patent
active
059950340
ABSTRACT:
The present invention discloses a computer joystick having a removable joystick handle so that users can select a favorite joystick handle when using the computer joystick. The computer joystick comprises a chassis, a joystick mechanism having two shafts and a control handle rotatably installed in the opening of the chassis for interacting with the two shafts, two sensors installed in the chassis for detecting rotations of the two shafts separately and generating corresponding rotation signals, a joystick handle having a locking means installed on its bottom end for removably mounting the joystick handle to the top end of the control handle, and a control circuit wired to the two sensors for receiving rotation signals generated by the two sensors. The joystick handle further comprises at least one control button and an electrical wire having a first end connected to the button and a second end connected with an electric plug. And the control circuit further comprises a socket for removably connecting the plug of the joystick handle so that control signals generated by the button can be received by the control circuit.
REFERENCES:
patent: 4769517 (1988-09-01), Swinney
patent: 5532529 (1996-07-01), Codina et al.
patent: 5607158 (1997-03-01), Chan
patent: 5691898 (1997-11-01), Rosenberg et al.
Mengistu Amare
Primax Electronics Ltd.
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