E-field detector and annunciator

Details E-field detector and annunciator E-field detector and annunciator

G - Physics

01

R

324/58.3

G01R 31/02 (2006.01) G01R 29/08 (2006.01)

Patent

CA 2032491

2032491 9014600 PCTABS00002 The voltage potential and E-field occurring at the site of a circuit discontinuity (98) is detected in a string of light bulbs (1--R, R+1--N). A signal Vac is applied across the string. Capacitive pickups (90, 92) are connected in series to an LCD annunciator (100). The pickups (90, 92) are coupled to the string so as to bridge the discontinuity (98). When the E-field, generated by the discontinuity (98), is above the threshold energy level required by the LCD annunciator (100) the fault condition is indicated to the user.

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