Keyboard With Programmable Threshold Setting
Original Publication Date: 1981-Sep-01
Included in the Prior Art Database: 2005-Feb-12
Electronic keyboards utilizing capacitive sensing are susceptible to signal degradation caused by dust resulting in intermittent failures which are difficult to isolate by service personnel. By building in a programmable key sensing threshold, service personnel may readily check for marginal operation causing intermittent errors to become continuous errors.