| US 7,518,275 B2 | ||
| Vibrator and portable terminal device mounted with the vibrator | ||
| Toshio Suzuki, Tokyo (Japan); Minoru Ueda, Tokyo (Japan); and Tsuyoshi Takano, Tokyo (Japan) | ||
| Assigned to Namiki Seimitsu Houseki Kabushiki Kaisha, Tokyo (Japan) | ||
| Appl. No. 10/547,672 PCT Filed Mar. 02, 2004, PCT No. PCT/JP2004/002539 § 371(c)(1), (2), (4) Date Oct. 27, 2006, PCT Pub. No. WO2004/078366, PCT Pub. Date Sep. 16, 2004. |
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| Claims priority of application No. 2003-055955 (JP), filed on Mar. 03, 2003. | ||
| Prior Publication US 2007/0085495 A1, Apr. 19, 2007 | ||
| Int. Cl. B06B 1/04 (2006.01); B06B 1/16 (2006.01); H02K 7/065 (2006.01); H02K 5/22 (2006.01) | ||
| U.S. Cl. 310—81 [310/71] | 12 Claims |
| 1. A vibrator comprising a vibration generation mechanism, a housing accommodating at least a part of said vibration generation
mechanism, and a pair of power supply terminals having positive and negative polarities protruding from said housing that
are electrically connected to a corresponding pair of electrodes of a circuit board mounted on a portable terminal device
and that supply power to said vibration generation mechanism, wherein each of said pair of power supply terminals comprises:
a torsion coil spring portion formed of a wound conductive rod-shaped member having springiness, and
a contact portion configured to be in contact with one of said pair of electrodes and circularly formed in a torsion coil
spring configuration.
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