Electromagnetic resonant vibrator

Details Electromagnetic resonant vibrator Electromagnetic resonant vibrator

H - Electricity

02

K

H02K 33/18 (2006.01) B06B 1/04 (2006.01) G08B 6/00 (2006.01) H02K 33/02 (2006.01) H04R 1/46 (2006.01) H04R 11/06 (2006.01) H04R 25/00 (2006.01)

Patent

CA 2056990

ELECTROMAGNETIC RESONANT VIBRATOR Abstract of the Disclosure An apparatus (58) for effecting a vibrating motion comprises a resonant planar armature (2), a housing, an electromagnetic device attached to the housing for effecting an alternating electromagnetic field, a magnetic device coupled to the armature (2) and to the electromagnetic field for alternatively moving the armature (2) in a first and a second direction in response to the electromagnetic field. The resonant planar armature (2) comprises a plurality of planar spring members (50, 52, 52, and 56) arranged regularly about a central planar region within a planar perimeter region of the armature (2), and the spring members provide a restoring force normal to a movement of the central region of the armature (2) caused by the alternating electromagnetic field.

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