Capacitance-sensitive switch and switch array

作者: Mitchell Gordon Burton , Thomas Michael Taylor

DOI:

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摘要: A capacitance-sensitive switch unit (10) including a capacitive element (18) operable to produce an effective capacitance dependent upon the physical proximity of objects relative thereto, first selector signal input (14) connected enable charge capacitance, threshold producing circuit (35) for which is rendered active when charges pre-defined potential, switching (33) selectively connecting treshold in response and discharge control (11) (18), discharging independently signal, signal. Also disclosed array (100) employing structure similar above.

参考文章(21)
Jerrell P. Hollaway, Touch sensitive control panel ,(1989)
Ronald D. Ingraham, Capacity responsive control circuit ,(1988)
Hisashi C O Fujitsu Yamaguchi, Toru C O Fujitsu Limited Asano, Kazuo C O Fujitsu Li Yoshikawa, Touch sensing device ,(1983)
Charles W. Eichelberger, Scott E. Cutler, Touch pad and display tube circuitry ,(1979)
Brian Kent, Touch switch device ,(1980)
Charles W. Eichelberger, Walter J. Butler, Self-optimizing touch pad sensor circuit ,(1977)