Electricity: magnetically operated switches – magnets – and electr – Electromagnetically actuated switches – With arc-suppression or extinguishing means
Reexamination Certificate
2006-05-30
2006-05-30
Barrera, Ramon M. (Department: 2832)
Electricity: magnetically operated switches, magnets, and electr
Electromagnetically actuated switches
With arc-suppression or extinguishing means
C335S133000, C335S156000, C335S196000, C200S010000
Reexamination Certificate
active
07053739
ABSTRACT:
An electrical contacting device includes a plurality of current paths connected in parallel to each other, and a plurality of electrical contact points each having a first contact and a second contact that are mechanically opened and closed. Each current path is provided with a corresponding one of the contact points. For prevention of the occurrence of arc discharge at the contact points, each current path has its electrical characteristics adjusted in order not to allow the passage of the minimum discharge current.
REFERENCES:
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patent: 2001/0024895 (2001-09-01), Sakiyama et al.
patent: 5-054786 (1993-03-01), None
patent: 10-012117 (1998-01-01), None
Yonezawa, Yu, et al., “Measurement of Electric Contact Phenomenon Using LiNbO3Piezoelectric Actuator”, Jpn. J. Appl. Phys. vol. 41, pp. 4760-4765, Jul. 2002.
Miyashita Tsutomu
Nakatani Tadashi
Satoh Yoshio
Wakatsuki Noboru
Yonezawa Yu
Barrera Ramon M.
Fujitsu Limited
Staas & Halsey , LLP
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