Computer graphics processing and selective visual display system – Display peripheral interface input device – Cursor mark position control device
Patent
1998-07-31
2000-12-12
Mengistu, Amare
Computer graphics processing and selective visual display system
Display peripheral interface input device
Cursor mark position control device
345157, 345161, 345167, G09G 508
Patent
active
061605387
ABSTRACT:
A method of encoding manipulations of a multidimensional input device, such as a mouse, into data to be communicated to a data processing apparatus. Sensors in the input device detect manipulations of a member of the input device with respect to an X-axis and a Y-axis. From the sensor data, a direction and a magnitude of the manipulation is derived. These intermediate quantities are communicated to the data processing apparatus instead of the X- and a Y-values themselves. In the data processing apparatus, a decoder decodes the intermediate quantities into a further pair of X-and Y-values. The intermediate values more adequately represent the manipulations. Therefore, in input devices having a limited power budget, like TV remote controls and other wireless input devices, the method achieves a higher performance.
REFERENCES:
patent: 5287120 (1994-02-01), Okada et al.
patent: 5570111 (1996-10-01), Barrett et al.
Goodman Edward W.
Mengistu Amare
Nguyen Jimmy Hai
U.S. Philips Corporation
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