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    • 61. 发明授权
    • Recording media, reproducing apparatus and method for karaoke use
including means for adding a harmonizing signal to a singer's voice
    • 用于卡拉OK使用的记录介质,再现装置和方法,包括用于向歌手的声音添加协调信号的装置
    • US5652401A
    • 1997-07-29
    • US412528
    • 1995-03-29
    • Junichi Nakamura
    • Junichi Nakamura
    • G11B20/02G10H1/00G10H1/38G10H1/44G10K15/04G10H7/00H02M5/00
    • G10H1/0033G10H1/38G10H1/44
    • A reproducing apparatus for a recording medium recorded with compressed image data, audio data relating to musical accompaniment, character data relating to musical accompaniment, data showing the musical accompaniment scale, scale data for a scale change position and a position after a scale change and data showing a time passage relating to an audio signal relating to the musical accompaniment has an image reproducing unit, a reproducing unit, a signal generating unit and a mixer. The image reproducing unit decodes and reproduces image data read-out from the recording medium. The reproducing unit reproduces audio signals relating to musical accompaniment, character data and data displaying a scale from the recording medium. The signal generating unit generates a harmony signal for the audio signal outputted from the microphone based on data displaying the scale played back by the playback part. The mixer mixes and outputs the audio signal outputted from the microphone, the audio signal reproduced by the reproducing unit and the harmony signal from the signal generating unit.
    • 用于记录有压缩图像数据的记录介质的再现装置,与音乐伴奏相关的音频数据,与音乐伴奏相关的字符数据,表示音乐伴奏比例的数据,比例改变位置的比例数据和比例变化之后的位置以及数据 示出与音乐伴奏有关的音频信号的时间段具有图像再现单元,再现单元,信号产生单元和混频器。 图像再现单元解码并再现从记录介质读出的图像数据。 再现单元再现与音乐伴奏相关的音频信号,字符数据和从记录介质显示刻度的数据。 信号生成单元基于显示由播放部回放的比例的数据,生成用于从麦克风输出的音频信号的和声信号。 混频器混合并输出从麦克风输出的音频信号,由再现单元再现的音频信号和来自信号产生单元的和声信号。
    • 66. 发明授权
    • Focus detection method utilizing surface acoustic wave
    • 利用表面声波的焦点检测方法
    • US4608490A
    • 1986-08-26
    • US552426
    • 1983-11-16
    • Tatsuo NagasakiJunichi Nakamura
    • Tatsuo NagasakiJunichi Nakamura
    • G03B3/10G01J1/20
    • G03B3/10
    • Method for detecting a focus condition of an imaging optical system by using a surface acoustic wave device is disclosed. A light receiving element array formed by a plurality of light receiving elements receives a light flux transmitted through at least a part of an image formed by the imaging optical system. Then, outputs of said light receiving elements are processed on real time by means of a Fourier transform device including a surface acoustic wave device, a convolver, etc. so as to derive an image sharpness and/or an image lateral shift, both of which are used for a focus detection. Therefore, as compared with a conventional focus detection method, it is possible to perform the focus detection in a fast and accurate manner by a simple and small construction.
    • 公开了一种通过使用表面声波装置来检测成像光学系统的聚焦条件的方法。 由多个光接收元件形成的受光元件阵列接收透射通过成像光学系统形成的图像的至少一部分的光束。 然后,通过包括声表面波装置,卷积器等的傅里叶变换装置实时地处理所述光接收元件的输出,以便导出图像清晰度和/或图像横向偏移,这两者都是 用于焦点检测。 因此,与传统的焦点检测方法相比,可以通过简单和小的构造以快速和准确的方式执行焦点检测。
    • 67. 发明授权
    • Method and apparatus for detecting focus conditions of a photographic
optical system
    • 用于检测摄影光学系统的对焦条件的方法和装置
    • US4562345A
    • 1985-12-31
    • US448038
    • 1982-12-08
    • Masahiro AokiJunichi NakamuraMasatoshi IdaKenichi OinoueAsao Hayashi
    • Masahiro AokiJunichi NakamuraMasatoshi IdaKenichi OinoueAsao Hayashi
    • G03B3/10G01J1/20
    • G03B3/10
    • A method and apparatus for detecting focus conditions of a photographic optical system is disclosed. The invention comprises a member for dividing the wavefront of a light beam from a photographic optical system in an image space thereof, a first light receiving device including two photocell arrays provided in the front and the rear of a surface conjugated to a predetermined focal plane of the optical system, and a second light receiving device including at least one photocell array provided at a surface conjugated to one of the photocell arrays in the first light receiving device. A first signal representing horizontal shift of an optical image is detected based on outputs of at least one photocell array in the second light receiving device and one photocell array in the first light receiving device having a relation conjugated to the photocell array in the second light receiving device. A second signal representing defocused amount of the image is detected based on outputs of two photocell arrays in the first light receiving device thereby detecting focus conditions by the first and the second signals.
    • 公开了一种用于检测照相光学系统的聚焦条件的方法和装置。 本发明包括用于在其图像空间中分离来自照相光学系统的光束的波前的部件,第一光接收装置,其包括设置在与预定焦平面共轭的表面的前后的两个光电管阵列 光学系统和第二光接收装置,其包括设置在与第一光接收装置中的光电池阵列之一共轭的表面处的至少一个光电池阵列。 基于第二光接收装置中的至少一个光电管阵列的输出和第一光接收装置中的第一光接收装置中具有与第二光接收中的光电管阵列共轭的关系的光电管阵列,检测表示光学图像的水平移动的第一信号 设备。 基于第一光接收装置中的两个光电管阵列的输出检测表示散焦量的图像的第二信号,从而通过第一和第二信号检测对焦条件。