发明名称 |
Impact matrix print head solenoid assembly |
摘要 |
A dot matrix impact print head uses a combination of cooperating forces produced by a deflected spring and dual electromagnetic fields to increase the striking force of a printing wire or needle element without adversely affecting operating frequency capabilities.
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申请公布号 |
US4046244(A) |
申请公布日期 |
1977.09.06 |
申请号 |
US19750602202 |
申请日期 |
1975.08.06 |
申请人 |
SYCOR, INC. |
发明人 |
VELAZQUEZ, JUAN F. |
分类号 |
B41J2/285;(IPC1-7):B41J3/04 |
主分类号 |
B41J2/285 |
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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