Title:
SOUND FIELD CONVERTIBLE TYPE EARPHONE SET
Document Type and Number:
WIPO Patent Application WO/2006/010322
Kind Code:
A1
Abstract:
A sound field convertible type earphone set includes earphone and sound signal input terminal, and they are connected with wire. A switch is arranged in the earphone set and can implement polarity exchange of the sound channel. Said sound field convertible type earphone set has scientific design, reasonable and simple structure. It can apply expertly the switch to existing earphone set, and realize polarity exchange of two trumpets or speakers by using the switch arranged on earphone connecting wire, therefore output synchronistically sound signals in the same direction in two trumpets or speakers. Thereby, it is possible to relieve the paincaused by the inward strike or the outward pull, which usually results form the conventional earphone set due to sound signals not being sent out in the same direction, and enhance the listening comfortability. Meanwhile, the earphone set can provide clearness of trumpets by changing sound field.
Inventors:
MA HSI KUANG (CN)
CHI KUO CHIANG (CN)
CHI KUO CHIANG (CN)
Application Number:
PCT/CN2005/001098
Publication Date:
February 02, 2006
Filing Date:
July 22, 2005
Export Citation:
Assignee:
MA HSI KUANG (CN)
CHI KUO CHIANG (CN)
CHI KUO CHIANG (CN)
International Classes:
H04R1/10; H04R5/033; H04R5/04; (IPC1-7): H04R1/10
Foreign References:
| CN2519572Y | 2002-10-30 | |||
| CN1248880A | 2000-03-29 | |||
| JPH1094100A | 1998-04-10 | |||
| JP2002078074A | 2002-03-15 |
Attorney, Agent or Firm:
SHENZHEN ZHONGZHI PATENT & TRADEMARK AGENT CO., LTD. (1001 Shangbu Zhong Road Shenzhen, Guangdong 1, CN)
Download PDF: