Title:
ELECTROACOUSTIC CONVERTER AND IMAGE DISPLAY DEVICE WHICH CAN BE ROLLED UP
Document Type and Number:
WIPO Patent Application WO/2022/064953
Kind Code:
A1
Abstract:
The present invention addresses the problem of providing an electroacoustic converter and an image display device which can be rolled up and which do not need a mechanical mechanism or driving source. Said problem is solved by comprising: a vibration plate or a display element which can be rolled up; and a convex leaf spring having an arc-shaped cross section in a short direction and having a recessed side disposed opposite to one surface of the vibration plate or a non-image-displaying surface of the display element.
Inventors:
MIYOSHI TETSU (JP)
Application Number:
PCT/JP2021/031432
Publication Date:
March 31, 2022
Filing Date:
August 27, 2021
Export Citation:
Assignee:
FUJIFILM CORP (JP)
International Classes:
H04R1/02; G09F9/00; G09F9/30; H01L41/053; H01L41/09; H01L41/18; H04R1/06; H04R7/04; H04R17/00
Domestic Patent References:
| WO2007015518A1 | 2007-02-08 | |||
| WO2019111775A1 | 2019-06-13 |
Attorney, Agent or Firm:
ITOH Hideaki et al. (JP)
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