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Patent Searching and Data

Document Type and Number:
WIPO Patent Application WO/2018/026231
Kind Code:
A vibration generation apparatus according to the present invention comprises: a bracket coupled to a rectangular case to form an inner space; a stator provided with a circuit board attached to the top surface of the bracket, and a coil connected to the circuit board; a vibrator provided with a permanent magnet arranged on the exterior of the coil, and a weighted body attached to the outer circumferential surface of the permanent magnet; and an elastic member connecting the stator and vibrator, and elastically supporting the vibrator, wherein the weighted body is polyhedral, and the vibrator moves vertically.

CHOI, Nam Jin (smartvill 203, 37-14 Chojung 2-gil, Jeungpyeong-eup,,Jeungpyeong-gun, Chungcheongbuk-do, 27940, KR)
JO, Kyung Hoon (102-606, 189 Wolpyeong-ro,,Sangdang-gu, Cheongju-si, Chungcheongbuk-do, 28774, KR)
SHIM, Soon Koo (210-1005, 28 Ochangjungang-ro, Ochang-eup,,Cheongwon-gu, Cheongju-si, Chungcheongbuk-do, 28124, KR)
CHONG, Young Bin (106-1406, 134 Gagyeong-ro,,Heungdeok-gu, Cheongju-si, Chungcheongbuk-do, 28400, KR)
CHOI, Chun (16-46, Wolli 1-gil Ochang-eup,,Cheongwon-gu, Cheongju-si, Chungcheongbuk-do, 28127, KR)
LEE, Won Gook (17 Mudo-gil, Songhak-myeon,Jecheon-si, Chungcheongbuk-do, 27126, KR)
LEE, Min Goo (101-1103, 72 Munongjeong-ro,,Sangdang-gu, Cheongju-si, Chungcheongbuk-do, 28780, KR)
Application Number:
Publication Date:
February 08, 2018
Filing Date:
August 04, 2017
Export Citation:
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JAHWA ELECTRONICS CO., LTD. (1217, Chungcheong-daero Bugi-myeon,,Cheongwon-gu, Cheongju-si, Chungcheongbuk-do, 28139, KR)
International Classes:
H02K33/02; H04M1/725
Attorney, Agent or Firm:
JEONG, Young Chan (HAERAM Patent Law FirmTAEJI Bldg. 402ho, 6-1 Beobwon-ro 3-gil,Seocho-gu, Seoul, 06595, KR)
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