发明名称 |
Very low-profile motor arrangement for radio pager silent alerting |
摘要 |
A low-profile motor arrangement for accomodation in a low-volume electronic device such as a radio pager. The motor is designed to provide a vibrating action for silent alerting that does not require any additional add-on parts, but effects the required vibrator action by a designed-in unbalance in the rotating internal parts.
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申请公布号 |
US4864276(A) |
申请公布日期 |
1989.09.05 |
申请号 |
US19880202331 |
申请日期 |
1988.06.03 |
申请人 |
MOTOROLA, INC. |
发明人 |
TRIBBEY, DAVID A.;MOONEY, CHARLES W.;ROLLINS, THOMAS J. |
分类号 |
H02K7/075;G08B6/00;H02K7/06;H02K23/54;H04Q7/14 |
主分类号 |
H02K7/075 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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