Taku Nakamura

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This paper proposes a visuo-haptic feedback system that can provide haptic feedback to multiple users on an LCD monitor using electrostatic adhesion and built-in capacitive sensors. The prototype system consists of a 40-inch LCD monitor, an ITO electrode sheet arranged on the monitor, and multiple contact pads for electrostatic adhesion. By applying(More)
Myxoma is a common benign cardiac tumor that may rarely cause an acute myocardial infarction. A 77-year-old woman was admitted to our hospital with chest pain. Electrocardiography showed an ST elevation in leads V3-6. Transthoracic echocardiography revealed an ovoid mass with fragmentation in the left atrium and hypokinesia of the left ventricular apex.(More)
Coronary artery fistulas are rare and the feeding artery is ectatic and tortuous. It is not well-known whether coronary artery ectasia (CAE) is a risk factor of acute coronary syndrome (ACS) in the puerperal periods. A 40-year-old woman with a coronary artery fistula and an ectatic right coronary artery (RCA) had delivered twins. A month later, she had(More)
This paper presents utterance generation methods for artificial foreign language tutors and discusses some problems of more autonomous educational tools. To tackle problem of keeping learners interested, we propose a hybrid, half automatic (for semantics), half rule-based (for syntax) approach that utilizes topic expansion by retrieving the conversational(More)