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    • 1. 发明授权
    • Piezoelectric resonator
    • 压电谐振器
    • US6163101A
    • 2000-12-19
    • US299492
    • 1999-04-26
    • Ryuhei YoshidaNobuhiro KitajimaKenichi Sakai
    • Ryuhei YoshidaNobuhiro KitajimaKenichi Sakai
    • H03H9/19H03H9/02H03H9/10H03H9/17
    • H03H9/1035H03H9/0207H03H9/0211H03H9/177
    • A piezoelectric resonator includes two sealing substrates, a seal portion, and an energy-trap type piezoelectric resonance element which is adapted to vibrate in a third harmonic of thickness extensional vibration. The piezoelectric resonance element includes a piezoelectric substrate and a pair of excitation electrodes, which are disposed on opposite major surfaces of the piezoelectric substrate. A portion of the piezoelectric substrate sandwiched by the excitation electrodes defines a vibrating portion. The sealing substrates each have a cavity formed therein and are attached onto the corresponding major surfaces of the piezoelectric substrate such that the cavities define a space for vibration. The seal portion is formed around the vibration space so as to damp leaking vibration. The vibrating portion is arranged such that the approximate center thereof is spaced from the approximate center of the vibration space as viewed along the major surfaces of the piezoelectric resonance element.
    • 压电谐振器包括两个密封基板,密封部分和适于以厚度延伸振动的三次谐波振动的能量陷阱型压电谐振元件。 压电谐振元件包括压电基片和一对激励电极,它们设置在压电基片的相对主表面上。 由激励电极夹持的压电基板的一部分限定振动部分。 密封基板各自具有形成在其中的空腔并且附着到压电基板的相应的主表面上,使得空腔限定用于振动的空间。 密封部分形成在振动空间周围以便阻止泄漏振动。 振动部分被布置成使得其大致中心与沿着压电谐振元件的主表面观察的振动空间的大致中心间隔开。
    • 4. 发明授权
    • Piezoelectric resonator and manufacturing method thereof
    • 压电谐振器及其制造方法
    • US06798116B2
    • 2004-09-28
    • US10323660
    • 2002-12-20
    • Ryuhei YoshidaKenichi Sakai
    • Ryuhei YoshidaKenichi Sakai
    • H01L4108
    • H01L41/187H03H3/02
    • A method for producing an energy trap piezoelectric resonator which operates in a thickness longitudinal vibration mode and which includes a piezoelectric member and first and second vibrating electrodes disposed on respective major surfaces of the piezoelectric member, involves the use of a piezoelectric material having an R value and an A value which are selected such that Qe=C/(R×A), where R and A are the average pore size in micrometers and the porosity in percent of the piezoelectric member, respectively. Here, Qe is a value at a frequency to be used and C is a constant that is determined by the piezoelectric material of the piezoelectric member. An energy trap, thickness longitudinal piezoelectric resonator produced by this method has a sufficiently high response to a vibration mode to be used, without any limitation on the type of piezoelectric material and size of the piezoelectric member and the frequency to be used.
    • 一种用于制造以厚度纵向振动模式操作并且包括压电构件和设置在压电构件的各个主表面上的第一和第二振动电极的能量陷阱压电谐振器的方法,包括使用具有R值的压电材料 和选择为Qe = C /(RxA)的A值,其中R和A分别是微米的平均孔径和压电元件的孔隙率。 这里,Qe是要使用的频率的值,C是由压电构件的压电材料确定的常数。 通过该方法制造的能量阱,厚度纵向压电谐振器对所使用的振动模式具有足够高的响应,对压电材料的类型和压电元件的尺寸以及使用的频率没有任何限制。
    • 5. 发明授权
    • Picture processing apparatus and method, and imaging apparatus
    • 图像处理装置和方法以及成像装置
    • US08320685B2
    • 2012-11-27
    • US11795993
    • 2006-01-12
    • Koji OzakiFumiaki KatoKenichi Sakai
    • Koji OzakiFumiaki KatoKenichi Sakai
    • G06K9/00
    • H04N1/387H04N19/176H04N19/423H04N19/46H04N19/48H04N19/59H04N19/60H04N19/70H04N19/88
    • Data can be transferred from a picture processing section to an encoding section without necessity of using an external memory. In addition, with internal data transfer having a wider band than an external memory, data can be processed at high speed. An entire picture 41 as an original picture is divided into six blocks of (64×4) pixels each. An enlargement process is performed for each block. Data of blocks are read in the order of blocks 1, 2, 3, and so forth. A size changing section processes a first block and generates picture data of a block 42 of (128×8) pixels. From this picture data 42, macroblocks 43 of (16×8) pixels each are read and encoded. As a result, JPEG data 44 are obtained. A code rearrangement section rearranges the order of the JPEG data 46 in the unit of a block. As a result, JPEG data 48 are generated. When JPEG data 48 are decoded in this order, a decoded picture 49 whose block order matches an area 41 of the original picture is obtained.
    • 数据可以从图像处理部分传送到编码部分,而不需要使用外部存储器。 此外,通过内部数据传输具有比外部存储器更宽的频带,可以高速处理数据。 作为原始图像的整个图像41被分成六个(64×4)个像素块。 对每个块执行放大处理。 以块1,2,3等等的顺序读取块的数据。 尺寸改变部分处理第一块并生成(128×8)像素的块42的图像数据。 从该图像数据42,读取并编码(16×8)像素的宏块43。 结果,获得JPEG数据44。 代码重排部分以块为单位重新排列JPEG数据46的顺序。 结果,生成JPEG数据48。 当JPEG数据48以此顺序被解码时,获得其顺序与原始图像的区域41匹配的解码图像49。
    • 9. 发明授权
    • Image signal processing apparatus and image signal processing method
    • 图像信号处理装置和图像信号处理方法
    • US07940990B2
    • 2011-05-10
    • US11881160
    • 2007-07-25
    • Tokuichiro YamadaZhiwen LiKen NakajimaKenichi Sakai
    • Tokuichiro YamadaZhiwen LiKen NakajimaKenichi Sakai
    • G06K9/36
    • G06T1/20
    • An image signal processing apparatus may include a partial image data block obtaining unit configured to obtain partial image data blocks by dividing image data corresponding to a predetermined screen having a predetermined number of horizontal and vertical pixels into image data portions, each having a predetermined number of partial horizontal and vertical pixels, at predetermined positions; a packet generating unit configured to generate packets, each storing one of the partial image data blocks; and one or more signal processing units configured to receive the packets from a transmission path through which the image data is transmitted, perform signal processing in units of partial image data blocks stored in the packets, and output the image data in the form of packets to the transmission path.
    • 图像信号处理装置可以包括:部分图像数据块获取单元,被配置为通过将与具有预定数量的水平和垂直像素的预定屏幕相对应的图像数据分割成图像数据部分来获得部分图像数据块,每个图像数据块具有预定数量的 部分水平和垂直像素,在预定位置; 分组生成单元,被配置为生成分组,每个分组存储所述部分图像数据块中的一个; 以及被配置为从发送图像数据的传输路径接收分组的一个或多个信号处理单元,以存储在分组中的部分图像数据块为单位执行信号处理,并以分组的形式将图像数据输出到 传输路径。
    • 10. 发明申请
    • Image signal processing apparatus and image signal processing method
    • 图像信号处理装置和图像信号处理方法
    • US20080137972A1
    • 2008-06-12
    • US11881160
    • 2007-07-25
    • Tokuichiro YamadaZhiwen LiKen NakajimaKenichi Sakai
    • Tokuichiro YamadaZhiwen LiKen NakajimaKenichi Sakai
    • G06K9/36
    • G06T1/20
    • An image signal processing apparatus may include a partial image data block obtaining unit configured to obtain partial image data blocks by dividing image data corresponding to a predetermined screen having a predetermined number of horizontal and vertical pixels into image data portions, each having a predetermined number of partial horizontal and vertical pixels, at predetermined positions; a packet generating unit configured to generate packets, each storing one of the partial image data blocks; and one or more signal processing units configured to receive the packets from a transmission path through which the image data is transmitted, perform signal processing in units of partial image data blocks stored in the packets, and output the image data in the form of packets to the transmission path.
    • 图像信号处理装置可以包括:部分图像数据块获取单元,被配置为通过将与具有预定数量的水平和垂直像素的预定屏幕相对应的图像数据分割成图像数据部分来获得部分图像数据块,每个图像数据块具有预定数量的 部分水平和垂直像素,在预定位置; 分组生成单元,被配置为生成分组,每个分组存储所述部分图像数据块中的一个; 以及被配置为从发送图像数据的传输路径接收分组的一个或多个信号处理单元,以存储在分组中的部分图像数据块为单位执行信号处理,并以分组的形式将图像数据输出到 传输路径。