Decoder for 2-dimensional input devices

Details Decoder for 2-dimensional input devices Decoder for 2-dimensional input devices

1998-07-13

2000-06-27

Young, Brian

Coded data generation or conversion

Analog to or from digital conversion

Digital to analog conversion

341154, H03M 166

Patent

active

060812176

ABSTRACT:
A simplified decoder for a decoder for 2-dimensional input devices with less number of pads is disclosed. Two pads are used to represent the addresses in one dimension of the input means in the 2-dimensional input device. Two capacitors are charged through a number of resistors, which number is decided by the number of addresses of said dimension. The time difference in charging the capacitors is measured to determine the address of an actuated input means in said dimension.

REFERENCES:
patent: 5453743 (1995-09-01), Kang
patent: 5949362 (1999-09-01), Tesch et al.

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