Title:
VOICE FILM HAVING MULTI-LAYER STRUCTURE FOR PLATE-TYPE SPEAKER
Document Type and Number:
WIPO Patent Application WO/2011/155750
Kind Code:
A2
Abstract:
The present invention relates to a plate-type speaker, more specifically, a voice film for a plate-type speaker, the film having a multi-layer structure. A voice film for plate-type speaker having a multi-layer structure of one embodiment of the present invention has a print circuit board (PCB) structure having a multi-layer structure, and forms Nth layer, N being a positive integer, by having formed a continuous spiral track-shape coil pattern on the surfaces of an uppermost PCB substrate, one or more middle-layer PCB substrates, and a lowermost PCB substrate, wherein the coil pattern is shorted through a via hole of the pattern starting point by N/2th layer of the neighboring PCB substrate, and is bonded with each of the pattern end points formed on the other neighboring PCB N/2th layer at the pattern end points.
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Inventors:
KIM, Dong-man (Jangan Hyundai Home Town, Jangan-dong 336, Dongdaemun-gu, Seoul 130-100, 130-100, KR)
Application Number:
KR2011/004145
Publication Date:
December 15, 2011
Filing Date:
June 07, 2011
Export Citation:
Assignee:
EXELWAY INC. (Acehighend Tower 5Cha, 1204Gasan-dong, 505-18, Geumcheon-gu, Seoul 153-023, 153-023, KR)
주식회사 엑셀웨이 (서울시 금천구 가산동 505-18 에이스하이엔드타워 5차 1204호, 153-023 Seoul, 153-023, KR)
주식회사 엑셀웨이 (서울시 금천구 가산동 505-18 에이스하이엔드타워 5차 1204호, 153-023 Seoul, 153-023, KR)
International Classes:
B32B15/08; H04R17/00
Attorney, Agent or Firm:
PARK, Yang-ho et al. (With Patent Law Office, Hansol-3cha 205,1597-1 Gwanyang-dong, Dongan-g, Anyang-si Gyeonggi-do 431-815, 431-815, KR)
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Claims: