公开(公告)号：US5748594A

公开(公告)日：1998-05-05

申请号：US693440

申请日：1996-08-07

申请人： Ayataka Nishio ,  Yasuhiro Ogura

发明人： Ayataka Nishio ,  Yasuhiro Ogura

IPC分类号： G11B7/0037 ,  G11B19/12 ,  G11B19/26 ,  G11B20/10 ,  G11B20/24 ,  G11B5/76

CPC分类号： G11B20/10037 ,  G11B19/12 ,  G11B19/26 ,  G11B20/10009 ,  G11B20/10527 ,  G11B20/24 ,  G11B7/0037

摘要： A second generation CD provides improved sound quality over that provided by a first generation CD while remaining compatible with it has a higher sampling rate and has a data format of 1-bit .DELTA..SIGMA. modulation. The higher sampling frequency is an integer multiple of the standard sampling frequency of 44.1 kHz used in the first generation CD to thereby simplify the clock signal generation circuitry. The recording system uses decimation filters to lower the sampling frequency of the 1-bit .DELTA..SIGMA. modulation signal so that the same signal can be used to manufacture both a first generation CD and a second generation CD. The playback apparatus is compatible and the kind of disk is determined based on the table of contents information, so that the appropriate clock signals can be provided to the decoders. In the case of the first generation CD being played back, the data is converted by an oversampling filter and a .DELTA..SIGMA. modulator before being digital to analog converted.

摘要翻译： 第二代CD提供比第一代CD提供的更好的声音质量，同时与其兼容，具有较高的采样率并具有1位DELTA SIGMA调制的数据格式。 较高的采样频率是第一代CD中使用的标准采样频率为44.1 kHz的整数倍，从而简化了时钟信号产生电路。 记录系统使用抽取滤波器来降低1位DELTA SIGMA调制信号的采样频率，使得可以使用相同的信号来制造第一代CD和第二代CD。 播放装置是兼容的，并且基于目录信息确定盘的种类，从而可以向解码器提供适当的时钟信号。 在第一代CD被播放的情况下，在进行数字到模拟转换之前，数据由过采样滤波器和DELTA SIGMA调制器转换。

公开(公告)号：US5706269A

公开(公告)日：1998-01-06

申请号：US824270

申请日：1997-03-26

申请人： Yasuhiro Ogura ,  Ayataka Nishio

发明人： Yasuhiro Ogura ,  Ayataka Nishio

IPC分类号： G11B20/12 ,  G11B7/00 ,  G11B7/004 ,  G11B7/0045 ,  G11B7/005 ,  G11B7/007 ,  G11B7/013 ,  G11B7/20 ,  G11B19/12 ,  G11B19/26 ,  G11B20/10 ,  G11B23/00 ,  G11B23/36 ,  G11B7/24

CPC分类号： G11B20/10527 ,  G11B19/12 ,  G11B19/26 ,  G11B7/013 ,  G11B7/24 ,  G11B23/0021 ,  G11B23/36 ,  G11B7/0045 ,  G11B7/005

摘要： A recording medium which realizes high sound quality and is playable on a conventional playback device has a recording layer provided with a double-layered structure having at least a first layer L1 and a second layer L2, an audio data program is recorded on the first layer in the first data format, which is the conventional format, and the audio data program is recorded on the second layer in a second, new data format. The audio data programs recorded on the first layer and on the second layer are the same program and can be produced using 1-bit .DELTA..SIGMA. modulation having a high sampling rate as the new format, the .DELTA..SIGMA. modulated signal being passed through successive decimation filters to form the lower sampling rate signal of the conventional format. The double-layered disk can be played back using a disk judging unit that detects the disk's table of contents and controls a laser beam focus of a pick up, an operating clock frequency, and the decoder for reading out the data recorded in pits formed on the disk.

摘要翻译： 实现高音质并且可以在常规播放装置上播放的记录介质具有设置有至少具有第一层L1和第二层L2的双层结构的记录层，音频数据程序被记录在第一层 在作为传统格式的第一数据格式中，音频数据程序以第二种新的数据格式记录在第二层上。 记录在第一层和第二层上的音频数据程序是相同的程序，并且可以使用具有高采样率的1比特DELTA SIGMA调制作为新格式，DELTA SIGMA调制信号通过连续的抽取滤波器 以形成常规格式的较低采样率信号。 可以使用检测盘的目录并控制拾取的激光束聚焦，操作时钟频率和解码器的盘判断单元来回放双层盘，以读出记录在 磁盘。

公开(公告)号：US5574453A

公开(公告)日：1996-11-12

申请号：US395242

申请日：1995-02-24

申请人： Ayataka Nishio ,  Yasuhiro Ogura

发明人： Ayataka Nishio ,  Yasuhiro Ogura

IPC分类号： G11B20/10 ,  G11B20/18 ,  H04B14/06 ,  H04N1/38 ,  H03M7/00

CPC分类号： G11B20/18 ,  G11B20/10009 ,  G11B20/10527 ,  H04B14/06 ,  G11B2020/00065

摘要： An audio signal recording device has an input terminal, a modulator for modulating an input signal, a detecting circuit for detecting whether an input signal maintains a fixed value for a predetermined period of time, a signal generator for generating an idling signal, a delay for delaying a modulated input signal and a switch for alternately inputting either the idling signal or modulated input signal to a recording circuit.

摘要翻译： 音频信号记录装置具有输入端子，用于调制输入信号的调制器，用于检测输入信号是否在预定时间段内保持固定值的检测电路，用于产生空转信号的信号发生器，用于产生空转信号的延迟 延迟调制的输入信号和用于交替地将空闲信号或调制输入信号输入到记录电路的开关。

公开(公告)号：US06269065B1

公开(公告)日：2001-07-31

申请号：US08692518

申请日：1996-01-05

申请人： Yasuhiro Ogura ,  Ayataka Nishio

发明人： Yasuhiro Ogura ,  Ayataka Nishio

IPC分类号： G11B700

CPC分类号： G11B20/10527 ,  G11B7/0045 ,  G11B7/005 ,  G11B7/013 ,  G11B7/24 ,  G11B19/12 ,  G11B19/26 ,  G11B23/0021 ,  G11B23/36

摘要： A recording medium which realizes high sound quality and is playable on a conventional playback device has a recording layer provided with a double-layered structure having at least a first layer L1 and a second layer L2, an audio data program is recorded on the first layer in the first data format, which is the conventional format, and the audio data program is recorded on the second layer in a second, new data format. The audio data programs recorded on the first layer and on the second layer are the same program and can be produced using 1-bit &Dgr;&Sgr; modulation having a high sampling rate as the new format, the &Dgr;&Sgr; modulated signal being passed through successive decimation filters to form the lower sampling rate signal of the conventional format. The double-layered disk can be played back using a disk judging unit that detects the disk's table of contents and controls a laser beam focus of a pick up, an operating clock frequency, and the decoder for reading out the data recorded in pits formed on the disk.

摘要翻译： 实现高音质并且可以在常规播放装置上播放的记录介质具有设置有至少具有第一层L1和第二层L2的双层结构的记录层，音频数据程序被记录在第一层 在作为传统格式的第一数据格式中，音频数据程序以第二种新的数据格式记录在第二层上。 记录在第一层和第二层上的音频数据程序是相同的程序，并且可以使用具有高采样率的1比特DELTASIGMA调制作为新格式，DELTASIGMA调制信号通过连续的抽取滤波器形成 传统格式的较低采样率信号。 可以使用检测盘的目录并控制拾取的激光束聚焦，操作时钟频率和解码器的盘判断单元来回放双层盘，以读出记录在 磁盘。

公开(公告)号：US5812509A

公开(公告)日：1998-09-22

申请号：US935320

申请日：1997-09-22

申请人： Ayataka Nishio ,  Yasuhiro Ogura

发明人： Ayataka Nishio ,  Yasuhiro Ogura

IPC分类号： G11B7/0037 ,  G11B19/12 ,  G11B19/26 ,  G11B20/10 ,  G11B20/24 ,  G11B5/76

CPC分类号： G11B20/10037 ,  G11B19/12 ,  G11B19/26 ,  G11B20/10009 ,  G11B20/10527 ,  G11B20/24 ,  G11B7/0037

摘要： A second generation CD provides improved sound quality over that provided by a first generation CD while remaining compatible with it has a higher sampling rate and has a data format of 1-bit .DELTA..SIGMA. modulation. The higher sampling frequency is an integer multiple of the standard sampling frequency of 44.1 kHz used in the first generation CD to thereby simplify the clock signal generation circuitry. The recording system uses decimation filters to lower the sampling frequency of the 1-bit .DELTA..SIGMA. modulation signal so that the same signal can be used to manufacture both a first generation CD and a second generation CD. The playback apparatus is compatible and the kind of disk is determined based on the table of contents information, so that the appropriate clock signals can be provided to the decoders. In the case of the first generation CD being played back, the data is converted by an oversampling filter and a .DELTA..SIGMA. modulator before being digital to analog converted.

公开(公告)号：US5719574A

公开(公告)日：1998-02-17

申请号：US511162

申请日：1995-08-04

申请人： Ayataka Nishio ,  Yasuhiro Ogura ,  Gen Ichimura ,  Makoto Akune

发明人： Ayataka Nishio ,  Yasuhiro Ogura ,  Gen Ichimura ,  Makoto Akune

IPC分类号： G11B20/12 ,  G10L19/00 ,  G11B20/02 ,  G11B20/10 ,  H04B14/06 ,  H04N1/38 ,  H03M7/00

CPC分类号： G11B20/10527 ,  G11B20/02 ,  G11B20/10009 ,  G11B2020/00065

摘要： An audio signal recording device having an input terminal, a modulator for modulating an input signal, a detecting circuit for detecting whether an input signal maintains a fixed value for a predetermined period of time, a signal generator for generating an idling signal, a delay circuit for delaying a modulated input signal and a switch for alternately inputting either the idling signal or modulated input signal to a recording circuit.

摘要翻译： 具有输入端子的音频信号记录装置，用于调制输入信号的调制器，用于检测输入信号是否在预定时间段内保持固定值的检测电路，产生空转信号的信号发生器，延迟电路 用于延迟调制输入信号和用于将空闲信号或调制输入信号交替地输入到记录电路的开关。

公开(公告)号：US5825735A

公开(公告)日：1998-10-20

申请号：US935321

申请日：1997-09-22

申请人： Ayataka Nishio ,  Yasuhiro Ogura

发明人： Ayataka Nishio ,  Yasuhiro Ogura

IPC分类号： G11B7/0037 ,  G11B19/12 ,  G11B19/26 ,  G11B20/10 ,  G11B20/24 ,  G11B3/90

CPC分类号： G11B20/10037 ,  G11B19/12 ,  G11B19/26 ,  G11B20/10009 ,  G11B20/10527 ,  G11B20/24 ,  G11B7/0037

摘要： A second generation CD provides improved sound quality over that provided by a first generation CD while remaining compatible with it has a higher sampling rate and has a data format of 1-bit .DELTA..SIGMA. modulation. The higher sampling frequency is an integer multiple of the standard sampling frequency of 44.1 kHz used in the first generation CD to thereby simplify the clock signal generation circuitry. The recording system uses decimation filters to lower the sampling frequency of the 1-bit .DELTA..SIGMA. modulation signal so that the same signal can be used to manufacture both a first generation CD and a second generation CD. The playback apparatus is compatible and the kind of disk is determined based on the table of contents information, so that the appropriate clock signals can be provided to the decoders. In the case of the first generation CD being played back, the data is converted by an oversampling filter and a .DELTA..SIGMA. modulator before being digital to analog converted.

摘要翻译： 第二代CD提供比第一代CD提供的更好的声音质量，同时与其兼容，具有较高的采样率并具有1位DELTA SIGMA调制的数据格式。 较高的采样频率是第一代CD中使用的标准采样频率为44.1 kHz的整数倍，从而简化了时钟信号产生电路。 记录系统使用抽取滤波器来降低1位DELTA SIGMA调制信号的采样频率，使得可以使用相同的信号来制造第一代CD和第二代CD。 播放装置是兼容的，并且基于目录信息确定盘的种类，从而可以向解码器提供适当的时钟信号。 在第一代CD被播放的情况下，在进行数字到模拟转换之前，数据由过采样滤波器和DELTA SIGMA调制器转换。

公开(公告)号：US09118417B2

公开(公告)日：2015-08-25

申请号：US13011294

申请日：2011-01-21

申请人： Koichiro Kishima ,  Ayataka Nishio ,  Tamotu Yamagami

发明人： Koichiro Kishima ,  Ayataka Nishio ,  Tamotu Yamagami

IPC分类号： G02B6/36 ,  H04B10/2575 ,  G02B6/42 ,  H01Q1/22 ,  H01R13/66

CPC分类号： H04B10/2575 ,  G02B6/4201 ,  G02B6/4277 ,  G02B6/4278 ,  G02B6/4279 ,  G02B6/4284 ,  H01Q1/22 ,  H01R13/665

摘要： A connector provided on a projector has an RF chip. A plug connected to the connector has an RF chip at a position opposite to the RF chip of the connector. When a protruding section of the plug is inserted and fit into an aperture section of the connector, the RF chip of the plug and the RF chip of the connector perform wireless communication with each other in a non-contact state. Thus, a connecting tool can be easily attached to/detached from a receiving tool without breaking a terminal due to contact such as in a case where a conventional contact type terminal is used.

摘要翻译： 投影机上提供的连接器具有RF芯片。 连接到连接器的插头在与连接器的RF芯片相对的位置处具有RF芯片。 当插头的突出部分插入连接器的开口部分中时，插头的RF芯片和连接器的RF芯片以非接触状态彼此进行无线通信。 因此，连接工具可以容易地从接收工具附接到/拆卸，而不会像使用常规的接触型端子的情况那样由于接触而导致端子断裂。

公开(公告)号：US08373697B2

公开(公告)日：2013-02-12

申请号：US12322822

申请日：2009-02-06

申请人： Naomasa Takahashi ,  Ayataka Nishio ,  Jun Hirai ,  Makoto Tsukamoto

发明人： Naomasa Takahashi ,  Ayataka Nishio ,  Jun Hirai ,  Makoto Tsukamoto

IPC分类号： G06F17/00 ,  G06K9/00 ,  G06K9/40 ,  G06K9/38

CPC分类号： G09G5/006 ,  G09G3/2022 ,  G09G3/2044 ,  G09G3/2059 ,  G09G2340/04 ,  G09G2370/042 ,  G09G2370/047 ,  G09G2370/12

摘要： An image processing apparatus includes: a filter-coefficient storing unit that stores filter coefficients respectively associated with spatial frequencies, which are the numbers of strips displayed per unit angle with respect to an angle of field of a display apparatus; a viewing-condition determining unit that determines, as viewing conditions, a viewing distance between a viewer and the display apparatus and pixel density of the display apparatus; a filter-coefficient setting unit that sets a filter coefficient selected on the basis of a spatial frequency calculated from the viewing conditions among the stored filter coefficients; and a gradation modulating unit including a quantizing unit that quantizes a pixel value in a predetermined coordinate position in an image signal and outputs the pixel value as a quantized pixel value in the predetermined coordinate position, the gradation modulating unit gradation-modulating the image signal by multiply-accumulating a set filter coefficient with respect to quantization errors caused by the quantizing unit to feedback the quantization errors to an input side of the quantizing unit.

公开(公告)号：US20100079482A1

公开(公告)日：2010-04-01

申请号：US12586530

申请日：2009-09-23

申请人： Makoto Tsukamoto ,  Jun Hirai ,  Ayataka Nishio ,  Naomasa Takahashi

发明人： Makoto Tsukamoto ,  Jun Hirai ,  Ayataka Nishio ,  Naomasa Takahashi

IPC分类号： G09G5/02

CPC分类号： H04N1/4052 ,  G09G3/2048 ,  G09G3/2059

摘要： A gradation conversion device that converts a gradation of an image, includes: dither means for dithering the image by adding random noise to pixel values forming the image; and one-dimensional ΔΣ modulation means for performing one-dimensional ΔΣ modulation on the dithered image.

摘要翻译： 转换图像灰度的灰度转换装置包括：抖动装置，用于通过将形成图像的像素值附加随机噪声来抖动图像; 和一维＆Dgr＆ 调制装置，用于执行一维＆Dgr＆ 对抖动图像进行调制。