Title:
HYBRID COIL PLATE, AND FLAT PLATE-TYPE SPEAKER AND VIBRATION DRIVER USING SAME
Document Type and Number:
WIPO Patent Application WO/2024/035093
Kind Code:
A1
Abstract:
The present invention relates to a coil plate and a flat plate-type speaker. In the coil plate of the present invention, PCB coils are pattern printed in a track form on both surfaces, copper coils wound in a track form are bonded to both surfaces on which the PCB coils are pattern printed, a PCB coil via hole is formed through a location, first and second lead lines are connected to an upper end side of each of both surfaces, and thin plates for copper coils are formed inside of both surfaces, respectively, wherein the thin plates for copper coils are electrically connected to each other through a via hole for copper coils, with respect to one end of each of the PCB coils, a PCB coil on one surface is connected to a PCB coil on the other surface in series through a via hole, the other ends thereof are connected to connection ends of the first and second lead lines, one end portions of the copper coils are soldered to the thin plate for copper coils and electrically connected to each other in series, and the other end portions of the copper coils are soldered to the connection ends of the first and second lead lines and connected to the PCB coils in parallel.
Inventors:
KIM DONG-MAN (KR)
Application Number:
PCT/KR2023/011712
Publication Date:
February 15, 2024
Filing Date:
August 09, 2023
Export Citation:
Assignee:
ACTUWARD CO LTD (KR)
International Classes:
H04R9/04; H04R7/04; H04R9/06
Foreign References:
| KR102114435B1 | 2020-05-22 | |||
| KR20160128530A | 2016-11-08 | |||
| KR20050054653A | 2005-06-10 | |||
| KR20190094904A | 2019-08-14 | |||
| KR102211558B1 | 2021-02-03 |
Attorney, Agent or Firm:
PARK, Yang Ho (KR)
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