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한 손을 이용한 내비게이션의 한글 문자 입력 인터페이스에 대한 사용자 실험
이명구(Myeong-Goo Lee),천정은(Jung-Eun Chun),정의태(Eui-Tay Jung),연명흠(Myeong-Heum Yeoun) 한국디자인학회 2010 한국디자인학회 학술발표대회 논문집 Vol.2010 No.10
Drivers normally operate an in-vehicle navigation system with their one hand or even one fingertip. When they type a korean word, they should use a korean virtual keyboard. There're several virtual korean keyboard systems, such as Qwerty, Alphabetic, Narat-gul and Chun-ji-in-systems. An in-vehicle navigation should offer one of these system 0; sometimes several systems. In this study drivers were tested with 4 different types of korean input systems and through this test, the question, "Which virtual keyboard is the most effective and reliable to the drivers?", will be answered.
디지털정보기기의 메뉴 설계 방법에 관한 연구 : Navigation Media menu를 중심으로
천정은(Jeong-Eun Cheon),이명구(Myeong-Goo Lee),정의태(Eui-Tay Jung),연명흠(Myeong-Heum Yeoun) 한국디자인학회 2010 한국디자인학회 학술발표대회 논문집 Vol.2010 No.10
Lately, digital devices are widely used and the functions of digital devices are becoming more various and intelligent for human's convenient life due to advancing technology. Therefore, users still have trouble using digital devices even though technology is developed. One of the solutions for this problem is to structuralize the contents of digital devices based on user experiences and mental models. The purpose of this study is to understand structuralized car navigation media menu that has Hierarchical structure among the contents classification method through Card Sorting Test method. Structuralizing was possible through Open card sorting test and Close card sorting test on 17 subjects, and found how users classify the contents when there's more than two categories overlap. Also, we found that Card sorting test is appropriate for classifying categories or structuralizing menus. Therefore, in further studies, we will study about appropriate test method including Card sorting test when structuralizing menu through case study for each devices that has various structures.
한만석(Man-Seok Han),이승열(Seung-Youl Lee),이명구(Myeong-Goo Lee),전민철(Min-Cheol Jeon),조재환(Jae-Hwan Cho),김태형(Tae-Hyung Kim) 대한방사선과학회(구 대한방사선기술학회) 2012 방사선기술과학 Vol.35 No.1
국내병원 대부분의 CT검사실은 One Stop Services를 목표로 운영하여 예약환자는 물론이고 전처치가 준비된 외래환자의 경우 당일 CT검사를 수행하고 있다. 하지만 One Stop Service라는 목표에는 양적인 접근은 가능할지언정 지루한 대기시간, 직원의 불친절도 등에 의한 질적인 저하를 야기 시키게 되었고 환자와 보호자들의 민원을 발생시키는 등 검사에 대한 불만족으로 이어지기도 한다. 따라서 본 연구는 직원의 친절도 향상, CT검사에 대한 이해도 향상, CT검사실의 환경개선, 당일 CT검사 대기시간의 단축 등, CT검사를 받는 환자의 불편사항을 찾아 만족도 향상을 위한 방안을 도출하고자 한다. CT검사 외래환자 중 조영제를 투여하는 복부 CT검사 환자를 대상으로 하고 CT검사 외래환자의 만족도를 확인하기 위해 설문지를 사용하였으며 개선 활동 전인 48명, 개선 활동 후 41명, 총 89명의 설문지를 2011.4.1- 2011.9.30까지 조사 하였다. 조사 방법은 직원의 친절도, CT검사 이해도, 환경 만족도는 설문을 통해서 조사하고 당일 CT검사 대기시간은 의료정보 통계로 조사하였으며 SPSS V. 15.0 을 이용하여 분석하였다. 개선 전과 개선 후의 전반적인 만족도를 비교한 결과 CT검사실 이용절차의 편리성은 Mean(SD) 5.83±2.06에서 Mean(SD) 8.88±1.87로 52.32%, 직원의 친절도는 Mean(SD) 7.15±1.72에서 Mean(SD) 9.44±1.24로 32%, 환경만족도는 Mean(SD) 5.90±1.89에서 Mean(SD) 9.00±1.59로 52.54%, CT검사의 이해도는 Mean(SD) 5.94±1.83에서 Mean(SD) 9.05±1.70로 52.36%가 각각 상승하였다. 또한 대기시간은 평균 25.33분에서 21.04분으로 약 16.93% 단축시키는 큰 효과를 얻을 수 있었고 병원의 경쟁력 강화와 수익 증대에도 기여할 것으로 사료 된다. Nowadays, most of the hospital serves "one stop service" for CT scan. The patients could be taken the CT scan in the day they register for scan. On the contrary to the time convenience, patients are not satisfied with long waiting time and unkindness of staff. The objective of this study is to improve the patient's satisfaction for the CT scan, by analyzing inconvenience factors and improving the service qualities. From April 1 to August 30 in 2011, we investigated the satisfaction of patients who did examined abdomen CT scan with contrast media. We analyzed the 89 questionnaires before and after the service improvements from them. The worker's kindness, the environment of CT room and understanding about CT scan were answered by questionnaire and the waiting time of a day CT scan was drawn by medical information statistics. Also, the period before improvement was from April to June and the period after improvement was from July to September. And these questionnaire was analyzed through SPSS V. 15.0. In this study, kindness of staff, environment of CT room, intelligibility for CT scan and waiting time was explored and analyzed by SPSS V.15.0. The score of kindness was improved by 32%, satisfaction level of the environment was improved by 52.54%. The understanding level about CT scan was improved by 52.36% and the wating time of a day CT was shortened by 21% through our service enhancement programs. Consequentially, it is considered that these efforts would contribute to increase the revenue of hospital.