Method and apparatus for wireless cursor position control

Details Method and apparatus for wireless cursor position control Method and apparatus for wireless cursor position control

1983-04-20

1986-03-25

Curtis, Marshall M.

Communications: electrical

Land vehicle alarms or indicators

Internal alarm or indicator responsive to a condition of the...

340365P, 178 18, 455603, G09G 100

Patent

active

045786747

ABSTRACT:
A method and apparatus for wireless cursor position control is disclosed herein. The apparatus comprises a wireless cursor position device and a separate control base whereby the direction and velocity of motion of the position device is monitored by the control base and used said direction and velocity of motion is to calculate the relative motion of the cursor on the display system. The method and apparatus operates by transmitting and receiving ultrasonic and infrared signals between the position device and control base and thereby calculating the movement of the position device from an initial location by measurement doppler shift of the signals. An output signal to the display system is then generated to move the cursor in correspondence with the motion of the position device.

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Lyon, R. F. et al, "Designing and Testing the Optical Mouse," VLSI Design, pp. 21-26 (Jan./Feb. 1982).
Fields, S. W., "Mouse Tracks Path by Electronics Only," Electronics International, vol. 55, No. 1, (Oct. 1982).

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