Transducer apparatus responsive to external perturbation

Details Transducer apparatus responsive to external perturbation Transducer apparatus responsive to external perturbation

G - Physics

10

K

G10K 15/00 (2006.01) F21L 4/02 (2006.01) F21L 4/04 (2006.01) G01P 13/00 (2006.01) G01P 15/08 (2006.01) G01P 15/135 (2006.01) G08B 3/10 (2006.01) G10K 9/18 (2006.01) G10K 15/04 (2006.01) H01H 35/40 (2006.01) G09F 25/00 (2006.01) H01H 35/00 (2006.01) H01H 35/14 (2006.01)

Patent

CA 2152801

Transducer apparatus (10) responsive to external perturbations is dis- closed having an electrically responsive transducer circuit (12) energized when a display member (18) and an elongate member (20) move from a gravity de- termined quiescent orientation (30A) therebetween to an external perturbation driven activate orientation (30B) therebetween. In various embodiments, the members are respectively responsive to air movement and acceleration. In one embodiment, the elongate member carries a first electrical contact (21) to abut a second electrical contact (22) carried by the display member.

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