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1. 发明授权

US07852728B2 Digital signal reproducing apparatus 有权
标题翻译：数字信号再现装置
公开(公告)号：US07852728B2
公开(公告)日：2010-12-14
申请号：US11995634
申请日：2006-07-20
申请人： Youichi Ogura , Tatsushi Hiraki , Yorikazu Takao
发明人： Youichi Ogura , Tatsushi Hiraki , Yorikazu Takao
IPC分类号： G11B7/00
CPC分类号： G11B20/10009 , G11B20/10046 , G11B20/10055 , G11B20/10083 , G11B20/10101 , G11B20/10111 , G11B20/10222 , G11B20/1403 , G11B2020/1287 , G11B2220/2562 , G11B2220/2575
摘要： A digital signal reproducing apparatus includes an analog to digital converter for sampling and quantizing a signal read from an optical recording medium in accordance with a reproduced clock having a frequency which is one-half of a channel bit frequency and outputting an obtained digital RF signal, an offset compensation circuit for reducing an offset component in an amplitude direction from the digital RF signal, and a simplified interpolation filter for reconstructing a signal indicating a predetermined pattern recorded in the optical recording medium from the output signal of the offset compensation circuit and outputting the reconstructed signal. A control operation is performed to reduce the magnitudes of respective values shown by first phase error information on a section with the predetermined pattern and by second phase error information on a section other than the section with the predetermined pattern.
摘要翻译：一种数字信号再生装置，具有模拟数字转换器，用于根据具有频率为通道位频率的二分之一的频率的再生时钟对从光记录介质读取的信号进行采样和量化，并输出所获得的数字RF信号，偏移补偿电路，用于减少来自数字RF信号的振幅方向上的偏移分量;以及简化内插滤波器，用于根据偏移补偿电路的输出信号重建指示记录在光学记录介质中的预定模式的信号，并输出重建信号。执行控制操作以减小具有预定模式的部分上的第一相位误差信息所示的各个值的大小以及除了具有预定模式的部分之外的部分的第二相位误差信息。

2. 发明申请

US20090257334A1 DIGITAL SIGNAL REPRODUCING APPARATUS 有权
标题翻译：数字信号再现设备
公开(公告)号：US20090257334A1
公开(公告)日：2009-10-15
申请号：US11995634
申请日：2006-07-20
申请人： Youichi Ogura , Tatsushi Hiraki , Yorikazu Takao
发明人： Youichi Ogura , Tatsushi Hiraki , Yorikazu Takao
IPC分类号： G11B27/30 , H03M1/12
CPC分类号： G11B20/10009 , G11B20/10046 , G11B20/10055 , G11B20/10083 , G11B20/10101 , G11B20/10111 , G11B20/10222 , G11B20/1403 , G11B2020/1287 , G11B2220/2562 , G11B2220/2575
摘要： A digital signal reproducing apparatus includes an analog to digital converter for sampling and quantizing a signal read from an optical recording medium in accordance with a reproduced clock having a frequency which is one-half of a channel bit frequency and outputting an obtained digital RF signal, an offset compensation circuit for reducing an offset component in an amplitude direction from the digital RF signal, and a simplified interpolation filter for reconstructing a signal indicating a predetermined pattern recorded in the optical recording medium from the output signal of the offset compensation circuit and outputting the reconstructed signal. A control operation is performed to reduce the magnitudes of respective values shown by first phase error information on a section with the predetermined pattern and by second phase error information on a section other than the section with the predetermined pattern.
摘要翻译：一种数字信号再生装置，具有模拟数字转换器，用于根据具有频率为通道位频率的二分之一的频率的再生时钟对从光记录介质读取的信号进行采样和量化，并输出所获得的数字RF信号，偏移补偿电路，用于减少来自数字RF信号的振幅方向上的偏移分量;以及简化内插滤波器，用于根据偏移补偿电路的输出信号重建指示记录在光学记录介质中的预定模式的信号，并输出重建信号。执行控制操作以减小具有预定模式的部分上的第一相位误差信息所示的各个值的大小以及除了具有预定模式的部分之外的部分的第二相位误差信息。

3. 发明申请

US20070109933A1 Recording position deviation correction apparatus, recording position deviation correction method, and recording position correction program 审中-公开
标题翻译：记录位置偏差校正装置，记录位置偏差校正方法和记录位置校正程序
公开(公告)号：US20070109933A1
公开(公告)日：2007-05-17
申请号：US10583372
申请日：2004-12-10
申请人： Yorikazu Takao , Tatsushi Hiraki
发明人： Yorikazu Takao , Tatsushi Hiraki
IPC分类号： G11B19/00
CPC分类号： G11B20/10 , G11B20/10009 , G11B27/24 , G11B2220/216
摘要： In the prior art recording position deviation correction apparatus, it was difficult to obtain the physical address position during performing an additional recording processing. So, a high reliability recording position deviation amount cannot be calculated, and the recording position deviation correction cannot be carried out correctly. The present invention adopts, as a calculating method for calculating the recording position deviation amount in the additional recording processing, one among (1) to perform an interpolation processing on the basis of the physical address position before performing an additional recording processing thereby to detect the physical address during performing the additional recording processing, and calculates the positional deviation amount using the detected physical address position, (2) to calculate the recording position deviation amount on the basis of the position deviation amount before performing the additional recording processing, and (3) to obtain the physical address position in a stationary state by making the laser power to be irradiated constant when obtaining the physical address in the recording processing, and calculate the recording position deviation amount using the obtained physical address position, and thereby realizes a high reliability recording position deviation correction.
摘要翻译：在现有技术的记录位置偏差校正装置中，在执行附加记录处理期间难以获得物理地址位置。因此，不能计算高可靠性记录位置偏差量，并且不能正确地执行记录位置偏差校正。本发明作为用于计算附加记录处理中的记录位置偏差量的计算方法，在（1）中，在执行附加记录处理之前，根据物理地址位置执行插值处理之一，从而检测在执行附加记录处理期间的物理地址，并且使用检测到的物理地址位置来计算位置偏差量，（2）基于在执行附加记录处理之前的位置偏差量来计算记录位置偏差量，以及（3 ）通过在获取记录处理中的物理地址时使激光功率恒定来获得静止状态的物理地址位置，并且使用获得的物理地址位置计算记录位置偏差量，从而实现高可靠性记录位置偏差修正。

4. 发明申请

US20090265455A1 METHOD OF RESOLVING DUPLICATE MAC ADDRESSES, NETWORK DEVICE MANAGEMENT SYSTEM, SERVER, AND INFORMATION DEVICE 有权
标题翻译：解决双重MAC地址的方法，网络设备管理系统，服务器和信息设备
公开(公告)号：US20090265455A1
公开(公告)日：2009-10-22
申请号：US12375123
申请日：2008-06-12
申请人： Tatsushi Hiraki
发明人： Tatsushi Hiraki
IPC分类号： G06F15/16
CPC分类号： H04L61/2046 , H04L41/0213 , H04L61/2038 , H04L61/6022
摘要： MAC addresses of information devices on a network are collected using a broadcast frame or multicast frame of Ethernet®. If duplicate MAC addresses are detected, an Ethernet® frame, including a device identifier of information device and a MAC address to be set, is sent by broadcast transmission or multicast transmission. The information devices receiving this Ethernet® frame compare the above device identifier with their own device identifiers. If they match, the MAC address is changed to that designated. Duplicate MAC addresses are thus resolved, enabling correct Ethernet® communications.
摘要翻译：使用以太网（R）的广播帧或多播帧来收集网络上的信息设备的MAC地址。如果检测到重复的MAC地址，则通过广播传输或组播传输来发送包括信息设备的设备标识符和待设置的MAC地址的以太网（R）帧。接收该以太网（R）帧的信息设备将上述设备标识符与其自己的设备标识符进行比较。如果匹配，则MAC地址被更改为指定的MAC地址。因此解决了重复的MAC地址，从而实现了正确的以太网（R）通信。

5. 发明授权

US09054703B2 Device for detecting drive current of PWM load device, drive current detection method, fault detection device, and fault detection method 有权
标题翻译：用于检测PWM负载装置的驱动电流的装置，驱动电流检测方法，故障检测装置和故障检测方法
公开(公告)号：US09054703B2
公开(公告)日：2015-06-09
申请号：US13319595
申请日：2010-05-27
申请人： Tatsushi Hiraki
发明人： Tatsushi Hiraki
IPC分类号： H01H31/02 , G01R31/00 , H02H3/00 , H03K17/18 , H03K7/08
CPC分类号： H03K17/18 , H03K7/08
摘要： It is an object of the invention to, in fault detection of a PWM load device, provide a fault detection device and a fault detection method, which are capable of appropriately detecting fault of the load device in the case where such load device is connected the duty ratio of the PWM waveform of which is different, or where such load device is connected the magnitude of current of which is different. The fault detection device samples a current flowing through the load device on a predetermined cycle, decides, based on sampled values, a current-driven period and decides, by using sampled values in the current-driven period, a drive current value for determining whether or not there is a fault.
摘要翻译：本发明的目的是在PWM负载装置的故障检测中提供故障检测装置和故障检测方法，其能够在连接这种负载装置的情况下适当地检测负载装置的故障 PWM波形的占空比不同，或者这种负载装置的电流大小不同的情况下。故障检测装置以预定的周期对流过负载装置的电流进行取样，基于取样值，决定电流驱动期间，并通过使用电流驱动期间的采样值，决定驱动电流值，判定是否还是没有错。

6. 发明申请

US20120049858A1 DEVICE FOR DETECTING DRIVE CURRENT OF PWM LOAD DEVICE, DRIVE CURRENT DETECTION METHOD, FAULT DETECTION DEVICE, AND FAULT DETECTION METHOD 有权
标题翻译：用于检测PWM负载装置的驱动电流的装置，驱动电流检测方法，故障检测装置和故障检测方法
公开(公告)号：US20120049858A1
公开(公告)日：2012-03-01
申请号：US13319595
申请日：2010-05-27
申请人： Tatsushi Hiraki
发明人： Tatsushi Hiraki
IPC分类号： G01R31/02
CPC分类号： H03K17/18 , H03K7/08
摘要： It is an object of the invention to, in fault detection of a PWM load device, provide a fault detection device and a fault detection method, which are capable of appropriately detecting fault of the load device in the case where such load device is connected the duty ratio of the PWM waveform of which is different, or where such load device is connected the magnitude of current of which is different. The fault detection device samples a current flowing through the load device on a predetermined cycle, decides, based on sampled values, a current-driven period and decides, by using sampled values in the current-driven period, a drive current value for determining whether or not there is a fault.
摘要翻译：本发明的目的是在PWM负载装置的故障检测中提供故障检测装置和故障检测方法，其能够在连接这种负载装置的情况下适当地检测负载装置的故障 PWM波形的占空比不同，或者这种负载装置的电流大小不同的情况下。故障检测装置以预定的周期对流过负载装置的电流进行取样，基于取样值，决定电流驱动期间，并通过使用电流驱动期间的采样值，决定驱动电流值，判定是否还是没有错。

7. 发明授权

US08903100B2 Loudspeaker control apparatus and method for inspecting loudspeaker 有权
标题翻译：用于检查扬声器的扬声器控制装置和方法
公开(公告)号：US08903100B2
公开(公告)日：2014-12-02
申请号：US13327720
申请日：2011-12-15
申请人： Tatsushi Hiraki
发明人： Tatsushi Hiraki
IPC分类号： H04R29/00 , H04R27/00
CPC分类号： H04R29/001 , H04R27/00
摘要： A loudspeaker control apparatus of the present invention includes: an operation reception section that receives a user operation; a mode selection section that selects between two operation modes, based on the user operation, either a normal mode in which operations of a plurality of loudspeakers and lights are controlled independently or an inspection mode in which each of the plurality of loudspeakers is inspected to see whether it is operating normally; and a control section that controls the operations of the plurality of loudspeakers and lights based on the operation mode, and the control section, in the inspection mode, sequentially causes the plurality of loudspeakers to output an inspection tone and sequentially causes lights which correspond to the loudspeakers from which the inspection tone is being outputted to be turned on or to blink.
摘要翻译：本发明的扬声器控制装置包括：接收用户操作的操作接收部分; 模式选择部，其基于用户操作在两个操作模式之间选择其中独立地控制多个扬声器和灯的操作的正常模式或者检查多个扬声器中的每一个的检查模式以查看是否正常运行？以及基于操作模式控制多个扬声器和灯的操作的控制部分，并且在检查模式下，控制部分依次使多个扬声器输出检查音，并且依次使与检测音被输出的扬声器被接通或闪烁。

8. 发明授权

US08089981B2 Method of resolving duplicate MAC addresses, network device management system, server, and information device 有权
标题翻译：解决重复MAC地址的方法，网络设备管理系统，服务器和信息设备
公开(公告)号：US08089981B2
公开(公告)日：2012-01-03
申请号：US12375123
申请日：2008-06-12
申请人： Tatsushi Hiraki
发明人： Tatsushi Hiraki
IPC分类号： H04L12/28 , H04L12/413
CPC分类号： H04L61/2046 , H04L41/0213 , H04L61/2038 , H04L61/6022
摘要： MAC addresses of information devices on a network are collected using a broadcast frame or multicast frame of Ethernet®. If duplicate MAC addresses are detected, an Ethernet® frame, including a device identifier of information device and a MAC address to be set, is sent by broadcast transmission or multicast transmission. The information devices receiving this Ethernet® frame compare the above device identifier with their own device identifiers. If they match, the MAC address is changed to that designated. Duplicate MAC addresses are thus resolved, enabling correct Ethernet® communications.
摘要翻译：使用Ethernet®的广播帧或多播帧来收集网络上信息设备的MAC地址。如果检测到重复的MAC地址，则通过广播传输或组播传输发送包括信息设备的设备标识符和要设置的MAC地址的以太网帧。接收此Ethernet®帧的信息设备将上述设备标识符与其自己的设备标识符进行比较。如果匹配，则MAC地址被更改为指定的MAC地址。因此可以解决重复的MAC地址，从而实现正确的Ethernet®通信。

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