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    • 3. 发明授权
    • Speech synthesizer having speech time stretch and compression functions
    • 具有语音时间拉伸和压缩功能的语音合成器
    • US4435832A
    • 1984-03-06
    • US192222
    • 1980-09-30
    • Akihiro AsadaKazuhiro UmemuraTadashi SaitoTohru Sampei
    • Akihiro AsadaKazuhiro UmemuraTadashi SaitoTohru Sampei
    • G10L13/00G10L11/00G10L13/02G10L19/06G10L21/04G10L1/00
    • G10L21/04G10L19/06
    • A speech synthesizer is disclosed with the capability of stretching and compressing the speech time base without changing the pitch of the synthesized speech. One frame of speech is represented during a given time base by LPC parameters which are sampled a constant number of times per frame and stored in memory. Speech is synthesized by fetching each of the stored LPC parameters for each frame and subjecting the parameters to interpolation, synthesizing the interpolated parameters and converting the synthesized parameters to analog format. A decrease in the speed of the reproduced speech is produced by lengthening the time interval of interpolation between the fetching of each of the stored LPC parameters which have been previously stored for each frame. An increase in the speed of the reproduced speech is produced by decreasing the time interval of interpolation between the fetching of each of the stored LPC parameters which have been previously stored in each frame.
    • 公开了具有在不改变合成语音的音调的情况下拉伸和压缩语音时基的能力的语音合成器。 在给定的时基中通过LPC参数表示一帧语音,每个帧对每帧进行常数次的采样并存储在存储器中。 通过取出每帧存储的LPC参数并对参数进行插值,合成内插参数并将合成参数转换为模拟格式来合成语音。 再现语音的速度降低是通过延长先前为每个帧存储的每个存储的LPC参数的取样之间的内插时间间隔而产生的。 通过减少在先前存储在每个帧中的每个存储的LPC参数的取样之间的插值的时间间隔来产生再现语音的速度的增加。
    • 7. 发明授权
    • Heat exchanger of plate fin and tube type
    • 板翅和管型热交换器
    • US07578339B2
    • 2009-08-25
    • US10557604
    • 2004-05-21
    • Kunihiko KagaShinji NakadeguchiAkira IshibashiShinichi WakamotoToshinori OhteHiroki MurakamiTadashi Saito
    • Kunihiko KagaShinji NakadeguchiAkira IshibashiShinichi WakamotoToshinori OhteHiroki MurakamiTadashi Saito
    • F28F1/32
    • F28F1/325F28F1/32
    • A heat exchanger including plate fins and, the tubes fins being stacked at respective intervals relative to one another, and heat exchanger tubes penetrating the fins in a fin-stacking direction. The heat exchanger exchanges heat between fluids flowing, respectively, inside and outside the heat exchanger tubes, through the heat exchanger tubes and the fins. Each of the fins includes cut-raised portions with a bridge shape having leg and beam segments. The cut-raised portions associated with each of the heat exchanger tubes are located substantially only in a region of the fin satisfying Ws=(1−φ)Dp+φD φ>0.5, where Ws is spread width of the cut-raised portions in a direction (column direction) extending along an end of the fin on the upstream side of the second fluid, and D is outer diameter of the heat exchanger tube. Dp is alignment pitch of the heat exchanger tubes in the column direction.
    • 一种热交换器,其包括板翅片,并且所述管翅片相对于彼此以相应的间隔堆叠,以及在翅片堆叠方向上穿透所述翅片的热交换器管。 热交换器通过热交换器管和翅片在热交换器管内部和外部流动的流体之间交换热量。 每个翅片包括具有腿和梁段的桥形的切割凸起部分。 与每个热交换器管相关联的切起部分基本上仅位于满足<?in-line-formula description =“In-line formula”end =“lead”>> Ws =(1 -phi)Dp + phiD <?in-line-formula description =“In-line Formulas”end =“tail”?> <?in-line-formula description =“In-line Formulas”end =“lead”?> phi> 0.5,<?in-line-formula description =“In-line Formulas”end =“tail”?>其中Ws是沿着沿着端部延伸的方向(列方向)上的切割部分的展开宽度 翅片在第二流体的上游侧,D是热交换器管的外径。 Dp是热交换器管在列方向上的对准间距。
    • 9. 发明申请
    • Heat exchanger of plate fin and tube type
    • 板翅和管型热交换器
    • US20070163764A1
    • 2007-07-19
    • US10557604
    • 2004-05-21
    • Kunihiko KagaShinji NakadeguchiAkira IshibashiShinichi WakamotoToshinori OhteHiroki MurakamiTadashi Saito
    • Kunihiko KagaShinji NakadeguchiAkira IshibashiShinichi WakamotoToshinori OhteHiroki MurakamiTadashi Saito
    • F28F1/32
    • F28F1/325F28F1/32
    • A heat exchanger including plate fins and, the tubes fins being stacked at respective intervals relative to one another, and heat exchanger tubes penetrating the fins in a fin-stacking direction. The heat exchanger exchanges heat between fluids flowing, respectively, inside and outside the heat exchanger tubes, through the heat exchanger tubes and the fins. Each of the fins includes cut-raised portions with a bridge shape having leg and beam segments. The cut-raised portions associated with each of the heat exchanger tubes are located substantially only in a region of the fin satisfying Ws=(1−φ)Dp+φD φ>0.5,where Ws is spread width of the cut-raised portions in a direction (column direction) extending along an end of the fin on the upstream side of the second fluid, and D is outer diameter of the heat exchanger tube. Dp is alignment pitch of the heat exchanger tubes in the column direction.
    • 一种热交换器,其包括板翅片,并且所述管翅片相对于彼此以相应的间隔堆叠,以及在翅片堆叠方向上穿透所述翅片的热交换器管。 热交换器通过热交换器管和翅片在热交换器管内部和外部流动的流体之间交换热量。 每个翅片包括具有腿和梁段的桥形的切割凸起部分。 与每个热交换器管相关联的切起部分基本上仅位于满足<?in-line-formula description =“In-line formula”end =“lead”>> Ws =(1 -phi)Dp + phiD <?in-line-formula description =“In-line Formulas”end =“tail”?> <?in-line-formula description =“In-line Formulas”end =“lead”?> phi> 0.5,<?in-line-formula description =“In-line Formulas”end =“tail”?>其中Ws是沿着沿着端部延伸的方向(列方向)上的切割部分的展开宽度 翅片在第二流体的上游侧,D是热交换器管的外径。 Dp是热交换器管在列方向上的对准间距。