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    • 1. 发明授权
    • Information signal recording disc recorded with stereoscopic television
signal
    • 以立体电视信号记录的信息信号记录盘
    • US4739418A
    • 1988-04-19
    • US840588
    • 1986-03-17
    • Makoto IwaharaKiyoaki SuzukiHidetsugu SuzukiAtsushi Sakamoto
    • Makoto IwaharaKiyoaki SuzukiHidetsugu SuzukiAtsushi Sakamoto
    • G11B21/08G11B27/30H04N5/76H04N5/92H04N13/00
    • G11B21/085G11B27/3054H04N5/7605H04N5/9205G11B2220/20Y10S358/907
    • An information signal recording disc is recorded with a stereoscopic television signal comprising a stereoscopic video signal and audio signals. The disc comprises a spiral track made up of a plurality of track turns, and video signals related to four fields are recorded on each of the plurality of track turns. Each track turn is time-sequentially recorded with right-eye and left-eye video signals of mutually different field numbers out of the right-eye and left-eye video signals of a simultaneous stereoscopic television signal in a sequence of field numbers together with audio signals, so that the right-eye video signal and the left-eye video signal are respectively recorded for a time period of two fields in each track turn. The right-eye and left-eye video signals related to identical fields are recorded side by side to each other in two mutually adjacent track turns. A predetermined sequence with which the right-eye and left-eye video signals are recorded on the spiral track is repeated with a period of eight fields.
    • 用包括立体视频信号和音频信号的立体电视信号记录信息信号记录盘。 盘包括由多个轨道匝组成的螺旋轨道,并且与多个轨道匝中的每一个记录有与四个场相关的视频信号。 时间顺序地记录具有相同不同场号的右眼和左眼视频信号的时间顺序记录在场序列中的同时立体电视信号的右眼和左眼视频信号以及音频 信号,使得右眼视频信号和左眼视频信号分别在每个轨道转弯中记录两个场的时间段。 与相同场相关的右眼和左眼视频信号在两个相互相邻的轨道匝中彼此并排记录。 以8个字段的周期重复在螺旋轨道上记录右眼和左眼视频信号的预定顺序。
    • 2. 发明授权
    • Stereoscopic television system and apparatus with 4 to 1 interlace
display
    • 立体电视系统和具有4到1隔行显示的设备
    • US4672434A
    • 1987-06-09
    • US838385
    • 1986-03-11
    • Kiyoaki SuzukiMakoto IwaharaHidetsugu SuzukiAtsushi Sakamoto
    • Kiyoaki SuzukiMakoto IwaharaHidetsugu SuzukiAtsushi Sakamoto
    • H04N13/04H04N13/00
    • H04N13/0438H04N13/0003H04N13/0497
    • A stereoscopic television system and apparatus comprise a memory for storing right-eye information related to odd and even fields and left-eye information related to the odd and even fields, a circuit for producing a main scanning direction synchronizing signal for synchronizing a scanning in a vertical direction of a reproduced picture and a sub scanning direction synchronizing signal for synchronizing a scanning in a horizontal direction of the reproduced picture, where the sub scanning direction synchronizing signal has a frequency which is m.+-.1/4 times a frequency of the main scanning direction synchronizing signal and m is a natural number, and a display device for reproducing and displaying in synchronism with the main and sub scanning direction synchronizing signals the right-eye information related to the odd and even fields and the left-eye information related to the odd and even fields which are successively read out from the memory in synchronism with the main scanning direction synchronizing signal.
    • 立体电视系统和装置包括用于存储与奇数和偶数场相关的右眼信息和与奇数和偶数场相关的左眼信息的存储器,用于产生用于同步扫描的主扫描方向同步信号的电路 再现图像的垂直方向和用于使再现图像的水平方向上的扫描同步的副扫描方向同步信号,其中副扫描方向同步信号的频率为主要频率的m +/- 1/4倍 扫描方向同步信号和m是自然数,并且显示装置用于与主扫描方向和副扫描方向同步地同步信号再现和显示与奇数和偶数场有关的右眼信息和与 与主扫描方向同步地从存储器中连续地读出的奇数和偶数场 表示同步信号。
    • 4. 发明授权
    • Directional microphone apparatus
    • 定向麦克风设备
    • US4703506A
    • 1987-10-27
    • US888057
    • 1986-07-22
    • Atsushi SakamotoMakoto Iwahara
    • Atsushi SakamotoMakoto Iwahara
    • H04R1/40H04R3/00
    • H04R1/406H04R3/005
    • A directional microphone apparatus includes an array of at least three sets of microphone units, circuits for processing the output signals from the microphone units to produce a first signal which varies in accordance with the second order bidirectional sound pressure gradient characteristic of the array, weighting circuits for applying respective weighting coefficients to the output signals from the microphone units in accordance with a desired shape of directivity response characteristic, to produce corresponding weighted signals which are combined to form a second signal. The first and second signals are combined to produce an output signal which exhibits sharp directivity even at relatively low frequencies in the audio range.
    • 定向麦克风装置包括至少三组麦克风单元的阵列,用于处理来自麦克风单元的输出信号以产生根据阵列的二阶双向声压梯度特性变化的第一信号的电路,加权电路 用于根据期望的方向性响应特性的形状将相应的加权系数应用于来自麦克风单元的输出信号,以产生组合以形成第二信号的相应的加权信号。 第一和第二信号被组合以产生甚至在音频范围中的相对低的频率下表现出清晰方向性的输出信号。
    • 5. 发明授权
    • Microphone apparatus having a variable directivity pattern
    • 具有可变方向性图案的麦克风装置
    • US4696043A
    • 1987-09-22
    • US766280
    • 1985-08-16
    • Makoto IwaharaNaotaka MiyajiAtsushi Sakamoto
    • Makoto IwaharaNaotaka MiyajiAtsushi Sakamoto
    • G10K11/34H04R3/00H04R1/40
    • G10K11/348H04R3/005
    • A microphone apparatus includes an array of equally spaced microphones divided into a center subarray and a pair of side subarrays located one on each side of the center subarray. A first weighting network having a plurality of weighting factors impresses a first weighting function on signals from the center subarray. Second and third weighting networks each having a plurality of weighting factors impress second and third weighting functions respectively on signals from the side subarrays. The first, second and third weighting functions correspond respectively to center and side portions of a total function. Signals from the first weighting network are summed in a first adder, signals from the second and third weighting networks being summed in a second adder and cmbined with the output of the first adder in a third adder to produce an output signal. A variable directivity pattern is obtained by a level setting means which allows adjustment of the level of the output signal from the second adder in a predetermined relationship with the level of the output signal from the first adder.
    • 麦克风装置包括被分成中心子阵列的等间距麦克风的阵列和位于中心子阵列每侧的一对侧子阵列。 具有多个加权因子的第一加权网络对来自中心子阵列的信号施加第一加权函数。 每个具有多个加权因子的第二和第三加权网络分别对来自侧面子阵列的信号施加第二和第三加权函数。 第一,第二和第三加权函数分别对应于总功能的中心和侧部。 来自第一加权网络的信号在第一加法器中相加,来自第二和第三加权网络的信号在第二加法器中相加,并在第三加法器中与第一加法器的输出相加,以产生输出信号。 可变方向性图案通过电平设置装置获得,该电平设置装置允许以与来自第一加法器的输出信号的电平预定关系来调整来自第二加法器的输出信号的电平。
    • 6. 发明授权
    • Phased-array sound pickup apparatus having no unwanted response pattern
    • 没有不必要的响应模式的相控阵拾音装置
    • US4521908A
    • 1985-06-04
    • US528100
    • 1983-08-31
    • Naotaka MiyajiAtsushi SakamotoMakoto Iwahara
    • Naotaka MiyajiAtsushi SakamotoMakoto Iwahara
    • G10K11/34H04R3/00H04M1/20
    • G10K11/346H04R3/005Y10S367/905
    • In a phased-array sound pickup apparatus microphones are divided into a first and second subarrays, the microphones of the first subarray having individual unidirectional response patterns oriented on one side of the normal to the array and the microphones of the second subarray having their response patterns oriented on the other side of the normal so that the array's main lobe assumes different orientation from the orientation of the microphone's individual response patterns so that the array's unwanted back lobe falls outside of the microphone's response patterns. The microphones may be grouped into a plurality of pairs and the signals from the paired microphones are mixed so that different individual response patterns are generated in correlation with the array's main front lobe to cause the unwanted back lobe to occur outside of the individual response patterns.
    • 在相控阵拾音装置中,麦克风被分成第一和第二子阵列,第一子阵列的麦克风具有定向在阵列的法线的一侧上的单独的单向响应图案,并且第二子阵列的麦克风具有它们的响应模式 定向在法线的另一侧,使得阵列的主瓣呈现与麦克风的各个响应图案的取向不同的方位,使得阵列的不需要的后瓣落在麦克风的响应图案之外。 麦克风可以被分组成多个对,并且来自配对的麦克风的信号被混合,使得与阵列的主前沿相关地产生不同的个体响应模式,以使不需要的后瓣在各个响应模式之外发生。