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    • 2. 发明授权
    • Image display system
    • 图像显示系统
    • US5790184A
    • 1998-08-04
    • US50823
    • 1993-04-21
    • Seizi SatoYoshiki ShirochiNaoki Kamaya
    • Seizi SatoYoshiki ShirochiNaoki Kamaya
    • H04N5/64H04N13/00H04N13/04H04N7/18
    • H04N13/044H04N13/0048H04N13/0477H04N13/0481H04N13/0497H04N13/0003H04N13/0037H04N13/0051H04N13/0055H04N13/0059H04N13/0422
    • An image display system stereoscopically reproduces a visual scene and includes an image display unit with a pair of LCD panels each starting its operation in response to a start pulse received every vertical field of an input video signal; a source of input video signals representing right and left stereoscopic video images every field; a circuit for generating right and left start pulses, which are mutually in an opposite-phase relationship, in synchronism with the arrival of the right and left video images; and a driver for driving the pair of LCD panels by the right and left start pulses. The image display unit is shaped into a virtual viewer incorporated in a ski-goggle type frame which is adapted to be worn on a user's head. The video images displayed on the two LCD panels are refreshed alternately to obtain a flickerless image without the necessity of employing any particular circuit or terminal.
    • 图像显示系统立体地再现视觉场景,并且包括具有一对LCD面板的图像显示单元,每个LCD面板响应于每个输入视频信号的垂直场接收到的起始脉冲而开始其操作; 输入视频信号的源,每个场表示右和左立体视频图像; 用于产生与左右视频图像的到达同步的相反相位关系的左起始脉冲和左起始脉冲的电路; 以及用于通过左右起始脉冲驱动该对LCD面板的驱动器。 该图像显示单元被成形为一个适合佩戴在用户头上的滑雪镜型框架中的虚拟观察者。 显示在两个LCD面板上的视频图像被交替地刷新以获得无闪烁的图像,而不需要使用任何特定的电路或终端。
    • 6. 发明授权
    • Liquid crystal projector having phase difference means with inclined angle
    • 具有倾斜角度的相位差装置的液晶投影仪
    • US06556266B1
    • 2003-04-29
    • US09624663
    • 2000-07-25
    • Yoshiki ShirochiKeiichi NitoYoshio Suzuki
    • Yoshiki ShirochiKeiichi NitoYoshio Suzuki
    • G02F11335
    • G02B27/145G02B5/3083G02B27/149G02F1/133632H04N9/3105
    • A liquid crystal projector providing an image having a high luminance and excellent contrast, including a polarization plate which is arranged at an incident side of a liquid crystal panel and transmits a first polarized beam therethrough, a polarization plate which is arranged at an exit side of the liquid crystal panel and transmits an optically modulated second polarized beam therethrough and outputs the same to a projection lens, and a phase difference film having one of a phase delay axis or a phase forward axis which is orthogonal to the polarization axis of the polarization plate and arranged inclined at a predetermined angle about an axis of rotation comprising an axis parallel to the polarization axis of the polarization plate in the plane in which said phase delay axis or phase forward axis is formed.
    • 一种提供具有高亮度和优异对比度的图像的液晶投影仪,包括布置在液晶面板的入射侧并透射第一偏振光束的偏振板,偏振板布置在其出射侧 液晶面板,透射光调制的第二偏振光束并将其输出到投影透镜,并且具有与偏振板的偏振轴正交的相位延迟轴或相位正向轴中的一个的相位差膜 并且围绕包括形成所述相位延迟轴或相位前进轴的平面中的偏振板的偏振轴平行的轴线的旋转轴线以预定角度倾斜布置。
    • 8. 发明授权
    • Video tape recorder with audio mode recording
    • 具有音频模式录制的录像带
    • US4445151A
    • 1984-04-24
    • US330874
    • 1981-12-15
    • Takashi KinoshitaYoshiki ShirochiNoboru Motoyoshi
    • Takashi KinoshitaYoshiki ShirochiNoboru Motoyoshi
    • G11B20/02H04N5/92H04N9/802H04N5/782
    • H04N5/92G11B20/02H04N5/9204H04N9/802
    • In an apparatus for recording and/or reproducing a television signal with multiplex audio signals, a pilot signal is recorded on one or both of the audio tracks of a video tape in a manner to identify the mode of the multiplex audio signals and each pilot signal is detected to establish such mode when reproducing. For example, the frequency of the pilot signal may be changed for identifying different modes of the multiplex audio signals, such as, the bilingual mode and the stereo-phonic mode, with the pilot signal of selected frequency being recorded on one of the audio tracks, or the pilot signal having a certain frequency is recorded on one of the audio tracks in the case of the bilingual mode, and on the other audio track of the tape in the case of the stereo-phonic mode. In still another embodiment, the pilot signal is recorded in both audio tracks of the tape and the phase relation of the recorded pilot signals is varied to identify the mode of the multiplex audio signals.
    • 在用多路音频信号记录和/或再现电视信号的装置中,导频信号以识别多路复用音频信号的模式和每个导频信号的方式记录在视频磁带的一个或两个音轨上 被检测以在再现时建立这种模式。 例如,导频信号的频率可以被改变,用于识别多路复用音频信号的不同模式,例如双语模式和立体声模式,所选频率的导频信号被记录在音频轨道之一 或者在双语模式的情况下,具有一定频率的导频信号被记录在音频轨道之一上,并且在立体声模式的情况下被记录在磁带的另一音频轨道上。 在另一个实施例中,导频信号被记录在磁带的两个音轨中,并且改变所记录的导频信号的相位关系以识别多路复用音频信号的模式。