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    • 4. 发明申请
    • CONTINUOUS CASTING METHOD OF MOLTEN METAL
    • 金属连续铸造方法
    • US20100059197A1
    • 2010-03-11
    • US12516061
    • 2007-12-03
    • Takehiko TohMasahiro TaniKazuhisa TanakaShinichi Fukunaga
    • Takehiko TohMasahiro TaniKazuhisa TanakaShinichi Fukunaga
    • B22D27/02
    • B22D11/115
    • The present invention provides a continuous casting method of molten metal using electromagnetic force to improve the cast slab surface properties and reduce the nonmetallic inclusions and bubbles trapped inside the cast slab. An alternating current is run through an electromagnetic coil 4 arranged around a casting mold 1 so as to surround a casting space 8 to control the meniscus shape to improve the cast slab surface properties, the discharge ports 6 of a submerged entry nozzle 5 are made upward oriented, and the direction of the discharge flow 14 from the discharge ports 6 is made one to above the intersection A of the casting mold short side and meniscus. Due to this, the nonmetallic inclusions and bubbles in the discharge flow are absorbed by the continuous casting mold flux of the meniscus 11 at the part of the meniscus reached. Further, the discharge flow 14 receives electromagnetic force due to the electromagnetic coil 4 whereby the spread of the discharge flow in the cast slab thickness direction is suppressed and the discharge flow 14 does not contact the long side shell 12, so it is possible to keep nonmetallic inclusions and bubbles from being trapped from the discharge flow 14 at the long side shell 12.
    • 本发明提供一种使用电磁力的熔融金属的连续铸造方法,以改善铸坯表面性能并减少非铸造板坯内的非金属夹杂物和气泡。 交流电流穿过围绕铸模1布置的电磁线圈4,以围绕铸造空间8以控制弯月面形状以改善铸坯表面性能,使浸入式喷嘴5的排出口6向上 并且将排出口6的排出流路14的方向设置在铸模短边和弯液面的交点A之上。 由此,排出流中的非金属夹杂物和气泡被半月板部分的弯液面11的连续铸模熔剂吸收。 此外,排出流14受到电磁线圈4的电磁力的影响,能够抑制铸坯厚度方向的排出流的扩散,排出流14不与长边壳12接触,因此能够保持 非金属夹杂物和气泡被从长侧壳12的排出流14捕获。
    • 6. 发明申请
    • Arbitration circuit and function processing circuit provided therein
    • 其中提供仲裁电路和功能处理电路
    • US20050097281A1
    • 2005-05-05
    • US10979223
    • 2004-11-03
    • Kazuhisa Tanaka
    • Kazuhisa Tanaka
    • G06F12/00G06F13/16
    • G06F13/1605
    • In an arbitration circuit in which a shared circuit such as a memory is used exclusively by one of a plurality of functional blocks at a time, an access reservation request is issued from one of the functional blocks, and the access request associated with the access reservation request is reserved. Thereafter, when an access request is issued from another functional block, it is determined which one of the access reservation request and the access request from these functional blocks takes precedence. For example, if the access request from the latter functional block has a low priority level, the access reservation request is selected and the circuit waits for an access request from the functional block which has issued this access reservation request. In this manner, it is possible to avoid cancellation of a once-accepted access request and waiting for a high-priority access request.
    • 在其中诸如存储器的共享电路一次由多个功能块中的一个单独使用的仲裁电路中,从功能块之一发出访问预约请求,并且与访问预约相关联的访问请求 请求保留。 此后,当从另一功能块发出访问请求时,确定来自这些功能块的访问预约请求和访问请求中哪一个优先。 例如,如果来自后一功能块的访问请求具有低优先级,则选择访问预约请求,并且该电路等待来自发出该访问预约请求的功能块的访问请求。 以这种方式,可以避免一次接受的访问请求的取消并等待高优先级的访问请求。
    • 9. 发明授权
    • Personal station authentication system and authentication method
    • 个人站认证系统和认证方式
    • US6134431A
    • 2000-10-17
    • US943221
    • 1997-10-06
    • Norihisa MatsumotoMasato HayashiSusumu MatsuiKazuhisa Tanaka
    • Norihisa MatsumotoMasato HayashiSusumu MatsuiKazuhisa Tanaka
    • H04L9/08H04L9/30H04L9/32H04W84/16H04Q7/20
    • H04W84/16H04L9/083H04L9/3271H04L2209/80
    • A public key cryptosystem is used for the authentication of a personal station (PS) which subscribes for a plurality of radio communication exchange systems. A public key of PS is registered into a public key DB of a public key management device. A private key is registered into PS. When PS moves into a service area of a certain radio communication exchange system, an exchange in that radio communication exchange system requests the public key management device for a public key of PS and makes a check for authentication of PS based on the public key cryptosystem by use of the received public key. Thereafter, when PS moves into a service area of another radio communication exchange system, an exchange in the other radio communication exchange system similarly requests the public key management device for a public key of PS and receives the same public key. The exchange in the other radio communication exchange system makes a check for authentication of PS based on the public key cryptosystem by use of the received public key. In the case where the authentication between each radio communication exchange system and PS results in success, each radio communication exchange system can determine a peculiar authentication key to inform PS of the peculiar authentication key so that the authentication of PS from that time onward is performed using the peculiar authentication key.
    • 公共密钥密码系统用于订阅多个无线电通信交换系统的个人站(PS)的认证。 PS的公钥被登记到公钥管理装置的公开密钥DB中。 私钥在PS中注册。 当PS移动到某个无线电通信交换系统的服务区域时,该无线电通信交换系统中的交换机向公钥管理装置请求公共密钥,并且基于公钥密码系统对PS的认证进行检查, 使用收到的公钥。 此后,当PS移动到另一无线电通信交换系统的服务区域时,另一无线电通信交换系统中的交换类似地向公钥管理装置请求PS的公开密钥并接收相同的公钥。 其他无线通信交换系统中的交换通过使用所接收的公开密钥来检查基于公钥密码系统的PS的认证。 在每个无线电通信交换系统和PS之间的认证成功的情况下,每个无线电通信交换系统可以确定特定的认证密钥以通知PS特有的认证密钥,使得从那时开始的PS的认证是使用 特有的认证密钥。