公开(公告)号：US5190722A

公开(公告)日：1993-03-02

申请号：US814621

申请日：1991-12-30

申请人： Yoshinobu Saito ,  Makoto Tabei ,  Yasuhide Ouchi ,  Jun Takizawa ,  Hitoshi Itami ,  Yoshiaki Takagi

发明人： Yoshinobu Saito ,  Makoto Tabei ,  Yasuhide Ouchi ,  Jun Takizawa ,  Hitoshi Itami ,  Yoshiaki Takagi

IPC分类号： C22C38/00 ,  C22C38/22 ,  C22C38/28 ,  C22C38/32

CPC分类号： C22C38/22 ,  C22C38/28 ,  C22C38/32

摘要： A high cold-forging electromagnetic stainless steel comprises not more than 0.02 wt. % of C, not more than 0.50 wt. % of Si, not more than 0.50 wt. % of Mn, 10.0-18.0 wt. % of Cr, 0.30-1.50 wt. % of Mo, 0.05-0.50 wt. % of Ti, 0.30-2.00 wt. % of Al, 0.0005-0.05 wt. % of B, not more than 0.05 wt. % of N and the balance being substantially Fe. This steel may further contain a given amount of at least one of Nb, V, Pb, Ca, Se, S and REM. Such stainless steel is used as a material of parts in an electronically controlled fuel injection system.

摘要翻译： 高冷锻电磁不锈钢不超过0.02重量％ C％，不大于0.50wt。 Si的％，不大于0.50wt。 ％的Mn，10.0-18.0wt。 ％的Cr，0.30-1.50wt。 ％的Mo，0.05-0.50wt。 ％的Ti，0.30-2.00重量％ ％的Al，0.0005-0.05wt。 B％，不大于0.05wt。 N的百分比，余额基本上是Fe。 该钢还可以含有给定量的Nb，V，Pb，Ca，Se，S和REM中的至少一种。 这种不锈钢用作电子控制燃料喷射系统中部件的材料。

公开(公告)号：US4871512A

公开(公告)日：1989-10-03

申请号：US914408

申请日：1986-10-02

申请人： Yoshiaki Takagi ,  Susumu Isobe ,  Kenkichi Matsunaga

发明人： Yoshiaki Takagi ,  Susumu Isobe ,  Kenkichi Matsunaga

IPC分类号： C22C19/05 ,  F01L3/02

CPC分类号： C22C19/055 ,  F02B2275/18

摘要： An alloy for use in an exhaust valve of an automotive vehicle is disclosed, which consists of C: 0.01-0.15%, Si.ltoreq.2.0%, Mn.ltoreq.0.5%; Cr: 15-25%, Mo: 0.4-3.1% and W: 0.2-3.8% so that (Mo+1/2W) is 0.5 to 5.0%, Nb+Ta: 0.3-3.0%, Ti: 1.5-3.5%, Al: 0.5-2.5%, B: 0.001-0.02%, Fe.ltoreq.5% and the balance of Ni or Ni+Co.

摘要翻译： 公开了一种用于汽车排气阀的合金，其由C：0.01-0.15％，Si≤2.0％，Mn≤0.5％组成; Cr：15〜25％，Mo：0.4〜3.1％，W：0.2〜3.8％，使（Mo + 1 / 2W）为0.5〜5.0％，Nb + Ta：0.3〜3.0％，Ti：1.5〜3.5％ ，Al：0.5〜2.5％，B：0.001-0.02％，Fe = 5％，余量为Ni或Ni + Co。

公开(公告)号：US4702771A

公开(公告)日：1987-10-27

申请号：US848062

申请日：1986-04-04

申请人： Yoshiaki Takagi ,  Yoshihiro Katsui ,  Hiroyuki Endo ,  Yutaka Ikenoue

发明人： Yoshiaki Takagi ,  Yoshihiro Katsui ,  Hiroyuki Endo ,  Yutaka Ikenoue

IPC分类号： C22C33/02 ,  C22C38/00 ,  C22C38/22 ,  F01L3/08 ,  C22C29/02 ,  C22C29/06

CPC分类号： C22C33/0264 ,  C22C33/0207 ,  C22C33/0257 ,  F01L3/08

摘要： Wear-resistant, sintered iron alloys are provided. The alloys have a structure in which iron-based hard particles having a relatively high Cr content and copper or copper alloy particles are dispersed in an iron alloy matrix containing a relatively low content of Cr. The alloys are prepared by compression molding powders of the matrix alloy, the hard alloy, copper or copper alloy, an Fe-P alloy and graphite and sintering the obtained molding at a temperature of 980.degree. to 1130.degree. C.

摘要翻译： 提供耐磨，烧结的铁合金。 合金具有这样的结构，其中具有较高Cr含量的铁基硬质颗粒和铜或铜合金颗粒分散在含有相对低含量Cr的铁合金基质中。 通过将基体合金，硬质合金，铜或铜合金粉末，Fe-P合金和石墨进行压缩成型，在980℃〜1130℃的温度下烧成所得成型体，

公开(公告)号：US08646159B2

公开(公告)日：2014-02-11

申请号：US12937576

申请日：2009-01-14

申请人： Yoshiaki Takagi ,  Seiji Maeda

发明人： Yoshiaki Takagi ,  Seiji Maeda

IPC分类号： B23P11/00

CPC分类号： B23P19/045 ,  F01L3/10 ,  F01L2103/00 ,  F01L2103/01 ,  Y10T29/53613

摘要： A large-diameter-side end surface (104a) of a cotter (104) can be supported by a cotter holder (32) from below through inserting a shaft member (102) along an inner periphery of the cotter (104) from above the cotter (104). In this state, a protrusion (104b) of the cotter (104) and an annular groove (102a) of the shaft member (102) are fitted to each other, and the cotter (104) and a retainer (103) are taper-fitted to each other. Consequently, the cotter is prevented from being unstable, and hence it is possible to assemble the retainer (103) and the cotter (104) to the shaft member (102) with good accuracy.

摘要翻译： 通过沿着所述开口（104）的内周缘从所述开口（104）的内周方向插入轴构件（102），所述开口（104）的大直径侧端面（104a）可以由开口托架（32）从下方支撑， 开口（104）。 在这种状态下，将开口（104）的突起（104b）和轴构件（102）的环形槽（102a）彼此嵌合，并且开口（104）和保持器（103） 相互配合 因此，可防止开口不稳定，因此能够以良好的精度将保持器（103）和开口（104）组装到轴构件（102）。

公开(公告)号：US07848931B2

公开(公告)日：2010-12-07

申请号：US11659949

申请日：2005-08-18

申请人： Shuji Miyasaka ,  Yoshiaki Takagi ,  Naoya Tanaka ,  Mineo Tsushima

发明人： Shuji Miyasaka ,  Yoshiaki Takagi ,  Naoya Tanaka ,  Mineo Tsushima

IPC分类号： G10L19/00

CPC分类号： G11B27/022 ,  G10L19/008 ,  G11B20/00007

摘要： An audio encoder, which is capable of encoding multiple-channel signals so that only a downmixed signal is decoded and of further generating specific auxiliary information necessary for dividing the downmixed signal, is provided.An audio encoder (10), which compresses and encodes audio signals of N-channels (N>1), includes a downmixed signal encoding unit (11) which encodes the downmixed signal obtained by downmixing the audio signals, and an auxiliary information generation unit (12a) which generates auxiliary information necessary for decoding the downmixed signal encoded by the downmixed signal encoding unit (11) into N-channel audio signals. The auxiliary information generation unit (12a) includes transformation units (121) and (122) which transform audio signals respectively into frequency domain signals, a detection unit (123) which detects phase difference information and gain ratio information each indicates a degree of difference between frequency domain signals, and a quantization unit (125) which quantizes, for each frequency band, the phase difference information and gain ratio information detected by the detection unit (123) using the quantization precision setting table (124). The quantization precision setting table (124) functions as a division unit which divides a frequency band of a frequency domain signal into plural sub-bands.

摘要翻译： 一种音频编码器，其能够对多声道信号进行编码，使得只下降混合信号被解码，并且进一步产生分割下混合信号所需的特定辅助信息。 对N声道（N> 1）的音频信号进行压缩编码的音频编码器（10）包括下混合信号编码单元（11），其对通过降低音频信号而获得的下混合信号进行编码，以及辅助信息生成单元 （12a），其生成将由下混合信号编码单元（11）编码的下混合信号解码为N声道音频信号所需的辅助信息。 辅助信息生成单元（12a）包括将音频信号分别变换为频域信号的变换单元（121）和（122），检测单元（123），检测相位差信息和增益比信息，每个都表示 频域信号，以及量化单元（125），其对于每个频带，使用量化精度设定表（124）对由检测单元（123）检测的相位差信息和增益比信息进行量化。 量化精度设定表（124）作为将频域信号的频带划分为多个子带的分割单位起作用。

公开(公告)号：US07689428B2

公开(公告)日：2010-03-30

申请号：US11577151

申请日：2005-10-13

申请人： Yoshiaki Takagi ,  Naoya Tanaka

发明人： Yoshiaki Takagi ,  Naoya Tanaka

IPC分类号： G10L19/00 ,  G10L21/04

CPC分类号： G10L19/008 ,  H04S3/006

摘要： An acoustic signal encoding device for down-mixing at different ratios to encode a multichannel signal with a small number of channels, and an acoustic signal decoding device for decoding the signal encoded by the acoustic signal encoding device. In these devices, weighting means (103) in the acoustic signal encoding device (100) weights input signals of two channels individually according to a down-mixing coefficient thereby to calculate the level difference of the signals of two channels weighted by a level difference calculation unit (104). A separating unit (202) in the acoustic signal decoding device (200) separates the down-mixed signals into signals of two channels with the level difference information weighted.

摘要翻译： 一种声信号编码装置，用于以不同的比率进行下混合以对具有少量声道的多声道信号进行编码，以及用于对由声信号编码装置编码的信号进行解码的声信号解码装置。 在这些装置中，声信号编码装置（100）中的加权装置（103）根据下混系数分别对两个信道的输入信号进行加权，从而计算由电平差计算加权的两个信道的信号的电平差 单元（104）。 声信号解码装置（200）中的分离单元（202）将加密的电平差信息将下混合信号分离成两个信道的信号。

公开(公告)号：US20090234657A1

公开(公告)日：2009-09-17

申请号：US12065378

申请日：2006-08-31

申请人： Yoshiaki Takagi ,  Kok Seng Chong ,  Takeshi Norimatsu ,  Shuji Miyasaka ,  Akihisa Kawamura ,  Kojiro Ono ,  Tomokazu Ishikawa

发明人： Yoshiaki Takagi ,  Kok Seng Chong ,  Takeshi Norimatsu ,  Shuji Miyasaka ,  Akihisa Kawamura ,  Kojiro Ono ,  Tomokazu Ishikawa

IPC分类号： G10L21/00

CPC分类号： G10L19/26 ,  G10L19/008 ,  G10L19/0204 ,  H04S2420/03

摘要： A temporal processing apparatus (energy shaping apparatus) (600a) includes: a splitter (601) splitting an audio signal, included in the sub-band domain, which are obtained through a hybrid time and frequency transformation into diffuse signals indicating reverberating components and direct signals indicating non-reverberating components; a downmix unit (604) generating a downmix signal by downmixing the direct signals; BPFs (605 and 606) respectively generating a bandpass downmix signal and bandpass diffuse signals, by performing bandpass processing on the downmix signal and the diffuse signals on a sub-band-to-sub-band basis, which are split on the sub-band basis; normalization processing units (607 and 608) respectively generating a normalized downmix signal and normalized diffuse signals by normalizing the bandpass downmix signal and the bandpass diffuse signals with regard to respective energy; a scale computation processing unit (609) computing, on a predetermined time slot basis, a scale factor indicating the magnitude of energy of the normalized downmix signal with respect to energy of the normalized diffuse signals; a calculating unit (611) generating scale diffuse signals by multiplying the normalized diffuse signals by the scale factor; a HPF (612) generating high-pass diffuse signals by performing high-pass processing on the scale diffuse signals; an adding unit (613) generating addition signals by adding the high-pass diffuse signals and the direct signals; and a synthesis filter bank (614) performing synthesis filter processing on the addition signals and transforming the addition signals into the time domains

摘要翻译： 时间处理装置（能量整形装置）（600a）包括：分离器（601），将包括在子带域中的音频信号（通过混合时间和频率变换获得）分解成指示混响分量的漫射信号，并且直接 表示非混响分量的信号; 下混合单元（604），通过将所述直接信号进行下混合来产生下混合信号; BPF（605和606）分别产生带通下混合信号和带通扩散信号，通过对分频在子带上的下混信号和扩频信号进行带通处理，分散在子带 基础; 归一化处理单元（607和608），分别通过相对于各自的能量归一化带通下混合信号和带通漫射信号来产生归一化的下混合信号和归一化的扩散信号; 比例计算处理单元（609）在预定时隙的基础上计算指示归一化的下混合信号相对于归一化扩散信号的能量的能量的大小的比例因子; 计算单元（611），通过将归一化扩散信号乘以比例因子来生成缩放漫射信号; HPF（612）通过对刻度扩散信号进行高通处理来产生高通漫反射信号; 加法单元（613），通过加上高通漫反射信号和直接信号来产生加法信号; 以及合成滤波器组（614）对加法信号执行合成滤波处理，并将加法信号转换成时域

公开(公告)号：US20060169528A1

公开(公告)日：2006-08-03

申请号：US11305334

申请日：2005-12-19

申请人： Susumu Yuasa ,  Yoshiaki Takagi ,  Etsuro Kitami

发明人： Susumu Yuasa ,  Yoshiaki Takagi ,  Etsuro Kitami

IPC分类号： B62D5/04

CPC分类号： F16C27/04 ,  B62D5/0409 ,  F16C2326/24 ,  F16H55/24 ,  F16H57/021 ,  F16H2057/0213

摘要： A curved leaf spring which is a first urging member surrounds an outer wheel of a second bearing, and urges, through the second bearing, a second end of a worm shaft in a direction in which the distance between the center of the worm shaft and the center of a worm wheel is shortened. A second urging member includes an annular support member received by an end surface of the outer wheel and a plurality of elastic pins extending in a direction in parallel with the axial direction of a support member. The elastic pins have fixed ends fixed to the support member and free ends that come into elastic contact with an end wall of a housing.

摘要翻译： 作为第一推动构件的弯曲板簧围绕第二轴承的外轮，并且通过第二轴承推动蜗杆轴的第二端，该方向与蜗杆轴的中心和 蜗轮的中心缩短。 第二推动构件包括由外轮的端面容纳的环形支撑构件和沿与支撑构件的轴向平行的方向延伸的多个弹性销。 弹性销具有固定到支撑构件上的固定端和与壳体的端壁弹性接触的自由端。

公开(公告)号：US06963646B2

公开(公告)日：2005-11-08

申请号：US09992080

申请日：2001-11-19

申请人： Yoshiaki Takagi ,  Yasuhito Watanabe

发明人： Yoshiaki Takagi ,  Yasuhito Watanabe

IPC分类号： G10L19/00 ,  G10K15/02 ,  G10L19/14 ,  H03M7/30 ,  H04H1/00 ,  H04H20/47 ,  H04S1/00 ,  G10L21/04

CPC分类号： H04H20/47 ,  G10L19/18

摘要： A sound signal encoding apparatus for encoding two different sound signals, comprising: compression level calculating means for calculating a compression level for each of the sound signal sections; compression level judging means for judging whether or not the calculated compression level for each of the sound signal sections exceeds a predetermined threshold compression value; frequency components encoding means for encoding the quantized frequency components for each of the sound signal sections to a multiplexed bit stream with a predetermined bit rate under two different states consisting of the first state in which the frequency components for each of the sound signal sections are compressed by the first frequency components compressing means when the compression level judging means is operative to judge that the compression level for each of the sound signal sections exceeds the predetermined threshold compression value and the second state in which the frequency components for each of the sound signal sections are not compressed by the first frequency components compressing means when the compression level judging means is operative to judge that the compression level for each of the sound signal sections does not exceed the predetermined threshold compression value, the multiplexed bit stream with the predetermined bit rate being constituted by the sound signals for each of the sound signal sections and general information needed for the sound signals to be encoded and decoded.

摘要翻译： 一种用于编码两种不同声音信号的声音信号编码装置，包括：压缩级别计算装置，用于计算每个声音信号部分的压缩级别; 压缩级别判断装置，用于判断所计算的每个声音信号部分的压缩级别是否超过预定阈值压缩值; 频率分量编码装置，用于将每个声音信号部分的量化频率分量编码为具有预定比特率的两个不同状态的多路复用比特流，该两种不同状态包括每个声音信号部分的频率分量被压缩的第一状态 通过第一频率分量压缩装置，当压缩级别判断装置可操作以判断每个声音信号部分的压缩级别超过预定阈值压缩值时，以及第二状态，其中每个声音信号部分的频率分量 当压缩级别判断装置用于判断每个声音信号部分的压缩级别不超过预定阈值压缩值时，第一频率分量压缩装置不被压缩，具有预定比特率的多路复用比特流是 由sou组成 每个声音信号部分的nd信号和要被编码和解码的声音信号所需的一般信息。

公开(公告)号：US06327563B1

公开(公告)日：2001-12-04

申请号：US09426751

申请日：1999-10-26

申请人： Yoshiaki Takagi

发明人： Yoshiaki Takagi

IPC分类号： G10L1902

CPC分类号： H04B1/667 ,  G10L19/0208

摘要： In a audio signal coding apparatus, a band separating filter separates a digital audio signal into M bands of audio data. A quantizing circuit quantizes M bands of the audio data. A data grouping circuit groups M bands of the audio data to output N bands of the audio data in accordance with frequency resolution of the human being. M and N being natural numbers more than one, M>N. In an audio signal decoding apparatus, a receiving circuit receives the bit stream including audio data which are grouped into N bands from M bands of audio data which is generated from an audio signal A coded data separating circuit separates N bands of audio data to M bands of the audio data. A de-quantizing circuit for de-quantizes M bands of the audio data. A combining circuit combines M bands of the audio data into an output audio signal. A wireless microphone system using the audio signal coding apparatus and the audio signal decoding apparatus is also disclosed. A method of coding audio data and a method of decoding the audio data are also disclosed.

摘要翻译： 在音频信号编码装置中，频带分离滤波器将数字音频信号分离成M个音频数据段。 量化电路对音频数据的M个频带进行量化。 数据分组电路根据人的频率分辨率对音频数据的M个频带进行分组以输出音频数据的N个频带。 M和N是多于一个的自然数，M> N。 在音频信号解码装置中，接收电路从音频信号生成的音频数据的M个频带接收分组成N个频带的音频数据的比特流。编码数据分离电路将N个频带的音频数据分离成M个频带 的音频数据。 用于对音频数据的M个频带进行去量化的去量化电路。 组合电路将音频数据的M个频带组合成输出音频信号。 还公开了使用音频信号编码装置和音频信号解码装置的无线麦克风系统。 还公开了对音频数据进行编码的方法以及对音频数据进行解码的方法。