14-01-2016 дата публикации
Номер: US20160013806A1
Принадлежит:
The invention relates in an aspect A to a method for determining active input elements (S, S) of an input arrangement (), comprising 11210aa. A method for determining active input elements (S , S) of an input arrangement () , comprising:{'b': 1', '2, 'i': a', 'b, 'providing input elements (Sto S) that are connected according to a matrix arrangement (Ma),'}{'b': 1', '2', '2', '4, 'providing within the matrix arrangement (Ma) at least two drive lines (L, L) that are each connected to a respective driving circuit (, ),'}{'b': 1', '2, 'i': a', 'a, 'providing within the matrix arrangement (Ma) at least two sense lines (Ca, Cb) that may be used to detect active input elements (S, S),'}{'b': 1', '4', '1', '2', '1', '2', '1', '4', '1', '2, 'i': a', 'b', 'a', 'b, 'providing within the matrix arrangement (Ma) serial connections (SC to SC) each comprising an input element (Sto S) and a resistor (Rto R) and each serial connections (SC to SC) being connected to a respective one of the drive lines (L, L) and to a respective one of the sense lines (Ca, Cb),'}providing pull resistors (Ra, Rb) that connect the sense lines (Ca, Cb) to a first potential, and{'b': 2', '4', '1', '2, 'using a control device for the driving circuits (, ) that is able to drive an active drive line (L) to a second potential that is different from the first potential and that is able to drive a non active drive line (L) or non active drive lines to the first potential or to a potential having an absolute offset value from the first potential that is at most 50 percent or at most 10 percent of the absolute value of the difference of the first potential and of the second potential.'}2. The method according to claim 1 , comprising:{'b': 1', '1', '2', '1', '1', '2, 'activating a first drive line (L) of the drive lines (L, L), wherein only one drive line (L) of the drive lines (L, L) is active at one time,'}{'b': '1', 'detecting a first value of an electrical signal on a first sense line (Ca) of the sense lines ( ...
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