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- 검색키워드
- 저자 : Minamikata, Yusuke (검색결과 3 건)
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남방 ( Satoshi Minamikata ) 아세아여성법학연구소 2007 아세아여성법학 Vol.10 No.-
The Japanese family law makes clear that the welfare of children must be firstly considered in resoving a family dispute such as divorce where the parents are to decide which of them should continue to hold parental rights and duties over their children after divorce. The welfare of children as general principles is established by a series of precedents but not by the provisions of the statutes, and criteria and factors in making a decision on the matter of chidren have been developed to improve further protection of children in volved in their parents` conflict. Indeed, the welfare of children is regarded as unquestionable principle in interpreting the substantial law. In practice, if parents show deep difference in recognizing and understanding on how to resolve the matters of chidren, a family court investigation officer can intervene in the case to investigate relevant facts and submit a report to a family court judge who shall finally issue an order over children. In this respect, a specialist such as family court investigation officer can take part in a dispute in order to protect the interests of children from the professional point of view. However, form the viewpoint of procedural protection, there are some issues to remain. For instance, while the parents are eligible to express their intention and wishes as an independent party to their dispute, children have neither their own representatives apart form their parents nor opportunities to state their interests and wishes at any stage throughout process of the dispute under the current family law, provided they can be interviewed if they are over fifteen years of age. The result of their parents` dispute are likely to bring about serious affects on the children directly or indirectly so that the children should be treated unfairly unless they are given an opportunity to voice their own interests in the process of dispute resolution. In the modern law, it may be a widespread principle that a party to case should be treated as an independent person whether or not s/he attains the age of majority. If s/he is a minor, s/he should be represented by a person whose interests are not in conflict with him/her. In fact, it may happen that parents can make arrangements over the children`s matter at the expense of the interests of children which leads to infringe upon the welfare of children. Such result can be avoided if s/he is represented by a person assuring the interests of childrenindependently The current family law is not equipped with adequate procedural protection so that it would be worth to review the family law relating to legal status of children, in particular focusing on the procedural protection of children caught up in their parents` dispute.
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Wireless Communication at 310 GHz using GaAs High-Electron-Mobility Transistors for Detection
Blin, Stephane,Tohme, Lucie,Coquillat, Dominique,Horiguchi, Shogo,Minamikata, Yusuke,Hisatake, Shintaro,Nouvel, Philippe,Cohen, Thomas,Penarier, Annick,Cano, Fabrice,Varani, Luca,Knap, Wojciech,Nagats The Korea Institute of Information and Commucation 2013 Journal of communications and networks Vol.15 No.6
We report on the first error-free terahertz (THz) wireless communication at 0.310 THz for data rates up to 8.2 Gbps using a 18-GHz-bandwidth GaAs/AlGaAs field-effect transistor as a detector. This result demonstrates that low-cost commercially-available plasma-wave transistors whose cut-off frequency is far below THz frequencies can be employed in THz communication. Wireless communication over 50 cm is presented at 1.4 Gbps using a uni-travelling-carrier photodiode as a source. Transistor integration is detailed, as it is essential to avoid any deleterious signals that would prevent successful communication. We observed an improvement of the bit error rate with increasing input THz power, followed by a degradation at high input power. Such a degradation appears at lower powers if the photodiode bias is smaller. Higher-data-rate communication is demonstrated using a frequency-multiplied source thanks to higher output power. Bit-error-rate measurements at data rates up to 10 Gbps are performed for different input THz powers. As expected, bit error rates degrade as data rate increases. However, degraded communication is observed at some specific data rates. This effect is probably due to deleterious cavity effects and/or impedance mismatches. Using such a system, realtime uncompressed high-definition video signal is successfully and robustly transmitted.
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Wireless Communication at 310 GHz Using GaAs High-Electron-Mobility Transistors for Detection
Stéphane Blin,Lucie Tohme,Dominique Coquillat,Shogo Horiguchi,Yusuke Minamikata,Shintaro Hisatake,Philippe Nouvel,Thomas Cohen,Annick Pénarier,Fabrice Cano,Luca Varani,Wojciech Knap,Tadao Nagatsuma 한국통신학회 2013 Journal of communications and networks Vol.15 No.6
We report on the first error-free terahertz (THz) wirelesscommunication at 0.310 THz for data rates up to 8.2 Gbps using a18-GHz-bandwidth GaAs/AlGaAs field-effect transistor as a detector. This result demonstrates that low-cost commercially-availableplasma-wave transistors whose cut-off frequency is far below THzfrequencies can be employed in THz communication. Wirelesscommunication over 50 cm is presented at 1.4 Gbps using a unitravelling-carrier photodiode as a source. Transistor integration isdetailed, as it is essential to avoid any deleterious signals that wouldprevent successful communication. We observed an improvementof the bit error rate with increasing input THz power, followed bya degradation at high input power. Such a degradation appearsat lower powers if the photodiode bias is smaller. Higher-dataratecommunication is demonstrated using a frequency-multipliedsource thanks to higher output power. Bit-error-ratemeasurementsat data rates up to 10 Gbps are performed for different inputTHz powers. As expected, bit error rates degrade as data rate increases. However, degraded communication is observed at somespecific data rates. This effect is probably due to deleterious cavityeffects and/or impedance mismatches. Using such a system, realtimeuncompressed high-definition video signal is successfully androbustly transmitted.
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