DATA INPUT USING KNOCKS
First Claim
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1. A method of identifying a user, comprising the steps of:
- tapping by a known user having a user identification, a sequence of knocks having a plurality of spacings or a plurality of strengths, onto an electronic device having an accelerometer contained therein, said accelerometer having an electronic output;
sampling and digitizing said electronic output, and storing the digitized output in association with said user identification;
thereafter, receiving a second sequence of knocks on said electronic device resulting in a second electronic output;
sampling and digitizing said second electronic output;
matching the digitized second electronic output to the stored digitized output; and
if a match exists, providing said user identification.
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Abstract
Data is entered into an electronic device using a unique pattern of knock sequences applied to the surface of the device. One or more accelerometers within the device provide an electronic output which is sampled and digitized. Matching software compares the sequences to previously recorded sequences for user identification. The user may also use a prespecified code for entering knock data.
39 Citations
15 Claims
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1. A method of identifying a user, comprising the steps of:
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tapping by a known user having a user identification, a sequence of knocks having a plurality of spacings or a plurality of strengths, onto an electronic device having an accelerometer contained therein, said accelerometer having an electronic output; sampling and digitizing said electronic output, and storing the digitized output in association with said user identification; thereafter, receiving a second sequence of knocks on said electronic device resulting in a second electronic output; sampling and digitizing said second electronic output; matching the digitized second electronic output to the stored digitized output; and if a match exists, providing said user identification. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A method of entering data into an electronic device, comprising the steps of:
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tapping a sequence of knocks having a plurality of spacings or a plurality of strengths, using a preselected code, onto an electronic device having an accelerometer contained therein, said accelerometer having an electronic output; sampling and digitizing said electronic output; and analyzing the digitized output using software and said preselected code to convert said digitized output to a sequence of data characters. - View Dependent Claims (9, 10, 11, 12, 13, 14, 15)
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Specification