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    • 1. 发明专利
    • D/a converter and video display apparatus
    • D / A转换器和视频显示设备
    • JP2008034955A
    • 2008-02-14
    • JP2006203553
    • 2006-07-26
    • Sony Corpソニー株式会社
    • YOSHIOKA MASAKIOGA GENICHIROKITAMURA TAKESHISUGIYAMA TAKAAKIYANO MOTOYASU
    • H03M1/68G02F1/133G09G3/20G09G3/36H03M1/76
    • G09G3/3688G09G2310/027H03M1/682
    • PROBLEM TO BE SOLVED: To provide a D/A converter with a simple configuration for decreasing the number of select switches while maintaining high conversion accuracy.
      SOLUTION: The D/A converter includes: a higher-order register string; a lower-order register string; an operational amplifier (OA), a higher-order selector 44 that selects one higher-order voltage corresponding to higher-order bits from a plurality of higher-order voltages VR0 to VR(2
      N -1) generated by the higher-order register string and outputs the selected voltage to one input of the operational amplifier OA; a lower-order selector 47 that selects one lower-order voltage corresponding to lower-order bits from a plurality of lower-order voltages VRL0 to VRL(2
      M -1) generated by the lower-order register string and outputs the selected voltage to the other input of the operational amplifier OA; a higher-order capacitor C used for sample hold operations and output summation operations of the operational amplifier OA; first to third switches SW1 to SW3; and a control circuit (not shown) for them.
      COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:提供一种具有简单配置的D / A转换器,用于在保持高转换精度的同时减少选择开关的数量。 解决方案:D / A转换器包括:高阶寄存器串; 低阶寄存器串; 运算放大器(OA),从多个高阶电压VR0至VR(2 N -1)中选择与高阶位对应的一个高阶电压的高阶选择器44, 由高位寄存器串产生,并将所选择的电压输出到运算放大器OA的一个输入端; 低阶选择器47,其从低位寄存器产生的多个低阶电压VRL0至VRL(2 M -1)中选择对应于低位位的一个低阶电压 并将所选择的电压输出到运算放大器OA的另一个输入端; 用于运算放大器OA的采样保持操作和输出求和操作的高阶电容器C; 第一至第三开关SW1至SW3; 和它们的控制电路(未示出)。 版权所有(C)2008,JPO&INPIT
    • 2. 发明专利
    • Capacitive element
    • 电容元件
    • JP2010062489A
    • 2010-03-18
    • JP2008229363
    • 2008-09-08
    • Sony Corpソニー株式会社
    • KITAMURA TAKESHIYANO MOTOYASU
    • H01L21/822H01L21/3205H01L23/52H01L27/04
    • H01L23/5225H01L23/5223H01L28/60H01L2924/0002H01L2924/00
    • PROBLEM TO BE SOLVED: To suppress a capacity coupling from the outside, and secure a sufficient capacity per unit area.
      SOLUTION: A capacitive element has a first electrode 10 formed on a semiconductor substrate, and a second electrode 20 sandwiching a dielectric together with the first electrode 10, and surrounding the four sides along the surface of the semiconductor substrate in the first electrode 10. The first electrode 10 and the second electrode 20 are set as a unit capacity. A unit capacity layer is constituted by connecting a plurality of unit capacities along the surface of the semiconductor substrate. Further, a plurality of unit capacity layers are laminated in a direction vertical to the surface of the semiconductor substrate.
      COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:抑制从外部的容量耦合,并确保每单位面积的足够的容量。 解决方案:电容元件具有形成在半导体衬底上的第一电极10和与第一电极10一起夹住电介质的第二电极20,并且沿着第一电极中的半导体衬底的表面围绕四边 将第一电极10和第二电极20设定为单位容量。 单位容量层通过沿着半导体衬底的表面连接多个单位电容而构成。 此外,在与半导体基板的表面垂直的方向上层叠多个单位电容层。 版权所有(C)2010,JPO&INPIT
    • 3. 发明专利
    • Signal line driving circuit, display device, and electronic equipment
    • 信号线路驱动电路,显示设备和电子设备
    • JP2011008028A
    • 2011-01-13
    • JP2009151423
    • 2009-06-25
    • Sony Corpソニー株式会社
    • MARUBAYASHI KOICHIROSUZUKI TOSHIOSHIGYO NOBUHIKOKITAMURA TAKESHISUGIYAMA TAKAAKISERIZAWA CHIKAMASA
    • G09G3/36G02F1/133G09G3/20
    • G09G3/3688G09G3/3696G09G2310/0291H04N5/70
    • PROBLEM TO BE SOLVED: To provide a signal line driving circuit, a display device, and electronic equipment preventing a circuit configuration from becoming complicated, preventing current consumption from increasing, and preventing characteristics from being deteriorated, and reducing size of elements.SOLUTION: A buffer amplifier part 200 includes: a positive polarity side OTA (Operational Transconductance Amplifier) 210 amplifying input data and generating signal voltage having positive polarity, a first OAMP (Output Amplifier) 220 supplying signal voltage having positive or negative polarity into a signal line 112m connected with a channel CHm, a negative polarity side OTA 230 amplifying input data and generating signal voltage having negative polarity, a second OAMP 240 supplying signal voltage having positive or negative polarity into a signal line 112m+1 connected with a channel CHm+1, and first to eighth switches SW231 to SW238. The first and second OAMPs 220, 240 process positive polarity side signal voltage and negative polarity side signal voltage by different supply voltages in a smaller range of voltage than a usual range of voltage including supply voltage and reference voltage.
    • 要解决的问题:提供一种信号线驱动电路,显示装置和电子设备,防止电路结构变得复杂,防止电流消耗增加,防止特性恶化,减少元件的尺寸。解决方案:A 缓冲放大器部分200包括:正极性侧OTA(运算跨导放大器)210,放大输入数据并产生具有正极性的信号电压;第一OAMP(输出放大器)220,将具有正或负极性的信号电压提供到连接的信号线112m中 具有通道CHm,负极侧OTA 230放大输入数据并产生具有负极性的信号电压,第二OAMP 240将具有正极性或负极性的信号电压提供到与通道CHm + 1连接的信号线112m + 1中,以及 第一至第八开关SW231至SW238。 第一和第二OAMP 220,240在比包括电源电压和参考电压的通常电压范围更小的电压范围内,通过不同的电源电压来处理正极性侧信号电压和负极侧信号电压。
    • 4. 发明专利
    • Antenna built-in type headphone and signal receiving apparatus
    • 天线内置式耳机和信号接收装置
    • JP2003274477A
    • 2003-09-26
    • JP2002070826
    • 2002-03-14
    • Sony Corpソニー株式会社
    • UEKI TOSHIHISASEKO SHIGEYUKIKITAMURA TAKESHI
    • H04R1/10H04B7/08
    • PROBLEM TO BE SOLVED: To provide an antenna built-in type headphone and a signal receiving apparatus wherein a reception state of a wireless signal is unchanged independently of a motion and a position or the like of a user so as to attain stable and excellent transmission reception.
      SOLUTION: The antenna built-in type headphone 1 is connected to an external device having a reception or transmission function of a wireless signal, includes sound units 13a, 13b, and a band part 14 interconnecting them, and three antennas 15a to 15c with different lengths and used for reception of the wireless signal are built in the band part 14. The external device includes a selection section for selecting any of the antennas 15a to 15c, a TV tuner for outputting a video signal from the wireless signal received by the selected antenna, a level detection means for detecting an antenna with the highest electric field strength, and a control circuit for supplying a selection signal to the selection section to select the detected antenna.
      COPYRIGHT: (C)2003,JPO
    • 要解决的问题:提供一种天线内置型耳机和信号接收装置,其中无线信号的接收状态与使用者的运动和位置等无关,以便获得稳定 良好的发送接收。 解决方案:天线内置型耳机1连接到具有无线信号的接收或发送功能的外部设备,包括声音单元13a,13b和与之互连的频带部分14,以及三个天线15a至 15c具有不同长度并用于无线信号的接收被内置在频带部分14中。外部设备包括用于选择天线15a至15c中的任一个的选择部分,用于从接收的无线信号中输出视频信号的TV调谐器 通过选择的天线,检测具有最高电场强度的天线的电平检测装置,以及用于向选择部分提供选择信号以选择所检测的天线的控制电路。 版权所有(C)2003,JPO
    • 6. 发明专利
    • Signal line drive circuit, display device and electronic device
    • 信号线驱动电路,显示器件和电子器件
    • JP2011117993A
    • 2011-06-16
    • JP2009272724
    • 2009-11-30
    • Sony Corpソニー株式会社
    • KITAMURA TAKESHIYOSHIOKA MASAKISERIZAWA CHIKAMASA
    • G09G3/36G02F1/133G09G3/20
    • G09G3/3607G09G3/3614G09G3/3648G09G3/3688G09G3/3696G09G2300/0426G09G2300/0804G09G2310/0297
    • PROBLEM TO BE SOLVED: To provide a signal line drive circuit and a display device capable of reducing a wasteful space of a well and wasteful wiring, decreasing a wiring area, and in turn, reducing the element size (layout area), and to provide an electronic device using the same.
      SOLUTION: The signal line drive circuit includes: a positive polarity side selector SEL+ selecting a plurality of voltage values supplied from a positive polarity side voltage supply part REG+ according to a digital signal by a line buffer; a negative polarity side selector SEL- selecting a plurality of voltage values supplied from the negative polarity side voltage supply part REG- according to a digital signal by the line buffer; and an output selector PolSel switchable between the positive polarity and the negative polarity to be outputted. The positive polarity side selector is disposed at one side, the negative polarity side selector is disposed the other side to be symmetrical to the disposition area of the line buffer, the positive polarity side voltage supply part is disposed at the one side, and the negative polarity side positive supply part is disposed at the other side.
      COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:为了提供能够减少井的浪费空间和浪费布线的信号线驱动电路和显示装置,减少布线面积,进而降低元件尺寸(布局面积), 并提供使用该装置的电子装置。 信号线驱动电路包括:正极侧选择器SEL +,通过线缓冲器根据数字信号选择从正极侧电压供给部REG +提供的多个电压值; 负极侧选择器SEL-根据线缓冲器根据数字信号选择从负极侧电压供给部REG-提供的多个电压值; 以及可在正极性和负极性之间切换的输出选择器PolSel输出。 正极侧选择器设置在一侧,负极侧选择器被设置为与线缓冲器的配置区域对称的另一侧,正极侧电压供给部设置在一侧,负极侧选择器 极性侧正供给部设置在另一侧。 版权所有(C)2011,JPO&INPIT