The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 29, 2002
Filed:
Jul. 26, 2000
Jong-Kyu Kim, Seoul, KR;
Won-II Communics Co., Ltd., Seoul, KR;
Abstract
Disclosed is a vibrator including: a rotary member having a center plate and a unipolar magnet of an arc shape eccentrically disposed on the outer surface of the center plate, the center plate having a through hole formed in the center; a shaft inserted into the through hole of the center plate; a pair of bobbins divided into upper and lower bobbins, each bobbin having a confined space and a support hole, wherein the rotary member is rotated within the confined space and the shaft is inserted into the support holes to thereby rotate the rotary member; and a coil wound on the bobbins connected with each other, the coil generating a magnetic force with the polarity opposite to that of the magnet. The vibrator, which is embedded in communication equipments, such as mobile phones and radio pagers, generates a strong power of vibration using a low electric power.