Title:
EARPHONE WITHOUT BLOCKING EARS
Document Type and Number:
WIPO Patent Application WO/2020/220733
Kind Code:
A1
Abstract:
The present application provides an earphone without blocking ears. The earphone without blocking ears comprises a housing; the housing is provided on the head or ear of a user but does not block an ear canal of the user; at least one low-frequency loudspeaker unit and at least one high-frequency loudspeaker unit are provided in the housing; the at least one low-frequency loudspeaker unit outputs a sound within a corresponding first frequency range from at least two first sound guide holes by means of at least two first sound guide tubes; the at least one high-frequency loudspeaker unit outputs a sound within a corresponding second frequency range from at least two second sound guide holes by means of at least two second sound guide tubes, wherein the second frequency range comprises a frequency higher than the first frequency range.
Inventors:
ZHANG LEI (CN)
FU JUNJIANG (CN)
YAN BINGYAN (CN)
LIAO FENGYUN (CN)
QI XIN (CN)
FU JUNJIANG (CN)
YAN BINGYAN (CN)
LIAO FENGYUN (CN)
QI XIN (CN)
Application Number:
PCT/CN2020/070539
Publication Date:
November 05, 2020
Filing Date:
January 06, 2020
Export Citation:
Assignee:
SHENZHEN VOXTECH CO LTD (CN)
International Classes:
H04R1/10; H04R1/26; H04R5/033
Foreign References:
| CN108702561A | 2018-10-23 | |||
| CN206865707U | 2018-01-09 | |||
| CN108886645A | 2018-11-23 | |||
| CN108370465A | 2018-08-03 | |||
| CN106303779A | 2017-01-04 |
Attorney, Agent or Firm:
METIS IP (CHENGDU) LLC (CN)
Download PDF:
Previous Patent: NEGATIVE CURRENT COLLECTOR, NEGATIVE POLE PIECE, ELECTROCHEMICAL APPARATUS, AND APPARATUS
Next Patent: AUDIO SPECTACLES
Next Patent: AUDIO SPECTACLES