US 6,982,616 B2
Switch with current potential control
Yoshito Nakanishi, Tokyo (Japan); Norisato Shimizu, Kanagawa (Japan); Kunihiko Nakamura, Kanagawa (Japan); and Yasuyuki Naito, Tokyo (Japan)
Assigned to Matsushita Electric Industrial Co., Ltd., Osaka (Japan)
Filed on Jul. 22, 2003, as Appl. No. 10/624,381.
Claims priority of application No. 2002-217872 (JP), filed on Jul. 26, 2002; application No. 2002-217873 (JP), filed on Jul. 26, 2002; and application No. 2003-184204 (JP), filed on Jun. 27, 2003.
Prior Publication US 2004/0124945 A1, Jul. 01, 2004
Int. Cl. H01H 51/22 (2006.01)
U.S. Cl. 335—78 23 Claims
OG exemplary drawing
 
1. A switch comprising:
first, second and third beams movable relative to each other and arranged with constant spacing one from another, wherein the first, second and third beams are arranged horizontally, any of the first, second and third beams are to move horizantally; and
voltage applying means for providing a direct current potential to the first, second and third beams and applying a driving force to move the first, second and third beams, respectively.