Title:
イヤホーン
Document Type and Number:
Japanese Patent JP5646694
Kind Code:
B2
Abstract:
An earphone includes a loudspeaker, a signal process, an audio signal input port, and a driving port. The loudspeaker includes a thermoacoustic device disposed in a housing. The signal processor is electrically connected to the loudspeaker to provide signal to the loudspeaker. The audio input port is electrically connected to the signal processor to provide audio signal. The driving port is electrically connected to the signal processor to provide driving signal. The thermoacoustic device includes a substrate, and the substrate defines a number of grooves, a sound wave generator is suspended on the grooves.
More Like This:
| WO/2008/076929 | ACOUSTIC SUBSTRATE |
| WO/2001/020287 | UNITARY TRANSDUCER CONTROL SYSTEM |
| JP4221792 | Speaker device and audio signal transmitter |
Inventors:
魏 洋
林 曉陽
姜 開利
▲ハン▼ 守善
林 曉陽
姜 開利
▲ハン▼ 守善
Application Number:
JP2013128385A
Publication Date:
December 24, 2014
Filing Date:
June 19, 2013
Export Citation:
Assignee:
ツィンファ ユニバーシティ
鴻海精密工業股▲ふん▼有限公司
鴻海精密工業股▲ふん▼有限公司
International Classes:
H04R23/00; H04R1/10
Attorney, Agent or Firm:
Yasuhiko Murayama
Masatake Shiga
Takashi Watanabe
Shinya Jitsuhiro
Masatake Shiga
Takashi Watanabe
Shinya Jitsuhiro