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Japanese researchers have developed head gear that uses infrared sensors and a microcomputer to let people operate music players by clenching their teeth.
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Japanese train commuters who don't want to reach conspicuously into their bags or pockets to start their iPods will soon be able to do it more subtly -- by simply clenching their teeth.
Japanese researchers have developed head gear that uses infrared sensors and a microcomputer to let people operate music players by clenching their teeth.
The computer receives a command when the user clenches his or her teeth for about one second -- which differentiates the action from other activities such as chewing gum and talking.
The research team at state-run Osaka University hopes to put the device to commercial use for music players and believes it can eventually be adapted to run cellphones, wheelchairs and other products.
"You are able to operate the devices without using your hands," said Fumio Miyazaki, an engineering science professor who heads the laboratory working on the project.
"You would be able to listen to music hands-free or operate your cellphone in a crowded train. Handicapped people would also be able to move wheelchairs," he told reporters.
Kazuhiro Taniguchi, who is playing a leading role in the research, said the system can be used by anybody who can chew food with their teeth -- real or artificial.
"I just thought it's inconvenient" to have to use your hands to switch on iPods or phones, especially on packed trains, Taniguchi said.
In the laboratory, grinding right teeth can play and halt music on an iPod while clenching left teeth makes it skip to the next track, he said.
The system could also allow users to flip through pages of a PowerPoint demonstration, allowing the presenter to gesture freely by clenching teeth instead of pressing buttons.
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乘火車通勤的日本人如果覺(jué)得把手伸進(jìn)包里或口袋里開(kāi)iPod太費(fèi)勁，那么這一問(wèn)題很快就能解決了——你只需咬咬牙就能啟動(dòng)iPod。
日本研究人員近日開(kāi)發(fā)出一種內(nèi)置紅外線傳感器和微型計(jì)算機(jī)的頭套，通過(guò)這種裝置，人們只需咬緊牙就能啟動(dòng)音樂(lè)播放器。
當(dāng)人們咬緊牙約一秒鐘時(shí)，微型計(jì)算機(jī)就能接收到一個(gè)指令。而這里所說(shuō)的咬緊牙與嚼口香糖和說(shuō)話等活動(dòng)是不同的。
大阪國(guó)立大學(xué)的研究小組希望能將這一裝置投入商用，用于音樂(lè)播放器，并相信這一裝置經(jīng)“改造”后，最終還能用于手機(jī)、輪椅和其它產(chǎn)品。
工程學(xué)教授、該項(xiàng)目的實(shí)驗(yàn)室工作負(fù)責(zé)人宮崎文雄說(shuō)：“你不用手就能啟動(dòng)播放器。”
“以后在擁擠的火車上聽(tīng)音樂(lè)、擺弄手機(jī)，就不用手了。殘疾人也能自己移動(dòng)輪椅了。”
該研究的主要負(fù)責(zé)人谷口一浩說(shuō)，只要能用牙（真牙假牙都可以）咀嚼食物的人就可以使用這一系統(tǒng)。
他說(shuō)：“我只是覺(jué)得用手操作iPod或手機(jī)不方便，尤其是在擁擠的火車上。”
據(jù)他介紹，在實(shí)驗(yàn)室所做的實(shí)驗(yàn)中，咬緊右邊的牙齒能夠啟動(dòng)和停止iPod，咬左邊的牙則能使播放器跳至下一個(gè)節(jié)目。
人們還能通過(guò)這一系統(tǒng)翻動(dòng)PowerPoint演示頁(yè)，這樣演示者就可以騰出雙手自由地做手勢(shì)了，因?yàn)樗麄冎恍枰ба溃挥迷侔存I了。
（英語(yǔ)點(diǎn)津姍姍編輯）
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