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    • 7. 发明授权
    • Television receiver having interlaced scanning with doubled field
frequency
    • 具有双倍场频隔行扫描的电视接收机
    • US4672446A
    • 1987-06-09
    • US758222
    • 1985-07-18
    • Yasunari IkedaHiroshi NakanoHirofumi Yuchi
    • Yasunari IkedaHiroshi NakanoHirofumi Yuchi
    • H04N7/01
    • H04N7/0132Y10S348/91
    • A television receiver in which a video signal of an interlaced system is received and converted in field frequency by using field memories (6a) and (6b) and then fed to a picture receiving tube (9). In this case, the picture receiving tube (9) is subjected to a vertical deflection scanning by a vertical synchronizing signal of a constant period and the video signal in each field of the video signal to be supplied to the picture receiving tube (9) is delayed by a predetermined time by controlling, for example, the read-out timings of the field memories (6a) and (6b) to thereby keep an interlace-ratio constant. Consequently, since the respective vertical cycles are equal to one another, even if the parabolic current wave of the vertical cycle for deflection correcting, for example, is superposed on the horizontal deflecting current, the horizontal deflection current waveform is equal in each vertical period so that the jitter can be prevented from being produced at the right and left ends of the picture screen.
    • PCT No.PCT / JP84 / 00553 Sec。 371日期:1985年7月18日 102(e)日期1985年7月18日PCT提交1984年11月19日PCT公布。 第WO85 / 02511号公报 日期:1985年6月6日。一种电视接收机,其中通过使用场存储器(6a)和(6b)接收并以场频率转换隔行扫描系统的视频信号,然后馈送给图像接收管(9)。 在这种情况下,图像接收管(9)通过恒定周期的垂直同步信号进行垂直偏转扫描,并且要提供给图像接收管(9)的视频信号的每个场中的视频信号是 通过控制例如场存储器(6a)和(6b)的读出定时来延迟预定时间,从而保持交错比恒定。 因此,由于各垂直周期彼此相等,所以即使例如用于偏转校正的垂直周期的抛物线电流波叠加在水平偏转电流上,每个垂直周期中的水平偏转电流波形相等 可以防止在画面的右端和左端产生抖动。
    • 9. 发明授权
    • Data receiving-processing apparatus and method, and broadcasting method
    • 数据接收处理装置和方法以及广播方法
    • US06321385B1
    • 2001-11-20
    • US09416241
    • 1999-10-12
    • Toshiro OzawaHirofumi Yuchi
    • Toshiro OzawaHirofumi Yuchi
    • H04N710
    • H04H20/91H04H60/25H04N5/4401H04N7/1675H04N7/20H04N21/235H04N21/4147H04N21/4181H04N21/433H04N21/4335H04N21/4348H04N21/435H04N21/4405H04N21/443H04N21/4431H04N21/4435H04N21/4586H04N21/4623H04N21/8173H04N21/818
    • A data receiving-processing apparatus including a receiver for receiving an extended function program or data transmitted thereto, a processor for processing the received data, a first storage such as a read-only memory for storing a basic program used to execute the data processing and an ID code to identify the apparatus and having a branch for the extended function program, a second storage such as a nonvolatile memory for storing the extended function program in a compressed state, a third storage such as a volatile memory for storing the extended function program in an decompressed state, and a decision maker for making a decision as to whether the ID code has predetermined content. The received data is processed in accordance with the basic program stored in the first storage and, after the extended function program stored in the second storage is read out at the branch in the basic program, the data is processed in accordance with the extended function program. In this apparatus, a new extended function program can be added at low cost as required.
    • 一种数据接收处理装置,包括:接收器,用于接收扩展功能程序或发送到其中的数据;处理器,用于处理接收到的数据;第一存储器,例如只读存储器,用于存储用于执行数据处理的基本程序, 用于识别装置并具有用于扩展功能程序的分支的ID代码,诸如用于以压缩状态存储扩展功能程序的非易失性存储器的第二存储器,诸如用于存储扩展功能程序的易失性存储器的第三存储器 在解压缩状态下,以及作出关于该ID代码是否具有预定内容的决定的决策者。 接收的数据根据​​存储在第一存储器中的基本程序进行处理,并且在基本程序的分支处读出存储在第二存储器中的扩展功能程序之后,根据扩展功能程序处理数据 。 在该装置中,可根据需要以低成本添加新的扩展功能程序。