Electrical generator or motor structure – Dynamoelectric – Reciprocating
Reexamination Certificate
2007-07-17
2007-07-17
Mulling, Burton S. (Department: 2834)
Electrical generator or motor structure
Dynamoelectric
Reciprocating
C310S081000, C310S017000, C381S400000
Reexamination Certificate
active
10787081
ABSTRACT:
A vibrator of the present invention comprises a coreless coil (2), a driver (4) including a magnet (4a) inserted in the coreless coil (2), a yoke (4b) for pinching the coreless coil (2) and facing the magnet (4a), and a top plate (4c), suspensions (6and8) for carrying resiliently the driver (4). The driver (4) is reciprocated in an axial direction of the coreless coil (2) by applying an alternate current to the coreless coil (2) to generate vibrations. The vibrator can be miniaturized without increasing a cost and has a good rising of vibrations.
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Browdy and Neimark PLLC
Citizen Electronics Co. Ltd.
Mulling Burton S.
Preston Erik
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