会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 2. 发明授权
    • Delta sigma D/A converter
    • Delta sigma D / A转换器
    • US06624774B2
    • 2003-09-23
    • US09796859
    • 2001-03-01
    • Minoru TakedaKazuyuki Fujiwara
    • Minoru TakedaKazuyuki Fujiwara
    • H03M166
    • H03M3/346H03M3/502
    • In a delta sigma type D/A converter, in order to be capable of carrying out muting operation in steps at steps lower than 1 quantized step by digital processing, a multiplexor 2 for selectively outputting a mute code 15 for making an analog signal null and a thermometer code 14 to a local DAC4 is provided between a thermometer code converter 1 and the local DAC4, a time period of 1/M of a sampling period is made to constitute 1 cycle, at m1 (0≦m1≦M) cycle, the thermometer code 14 is made an output of the multiplexor 2 and at other m2 (m2=M−m1) cycle, the mute code 15 is made an output thereof and muting is carried out reducing the m1 cycle or muting is relieved by increasing thereof in steps at respective sampling period.
    • 在Δ-Σ型D / A转换器中,为了能够通过数字处理以低于1量化步长的步骤进行静噪操作;多路复用器2,用于选择性地输出用于使模拟信号为空的静音码15;以及 在温度计代码转换器1和本地DAC4之间设置温度计代码14到本地DAC4,采样周期的1 / M的时间周期构成1周期,在m1(0 <= m1 <= M) 将温度计代码14作为多路复用器2的输出,在其他m2(m2 = M-m1)周期,静音代码15作为其输出,进行静音以减少m1周期或静音由 在相应的采样周期内逐步增加。
    • 4. 发明申请
    • Television receiving apparatus
    • 电视接收装置
    • US20060028362A1
    • 2006-02-09
    • US11195935
    • 2005-08-03
    • Kazuyuki Fujiwara
    • Kazuyuki Fujiwara
    • H03M1/00
    • H04N21/40G09G5/003G09G5/006G09G2358/00G09G2370/12G09G2370/20G09G2370/22H04N21/4122H04N21/4367
    • A television receiving apparatus having an HDCP authentication function of protecting the video contents from illegal copy, including: an analog input terminal for inputting a composite signal or component signal; a digital input terminal for inputting a digit video signal conforming to the DVI standards; switching means for switching internally between the analog input terminal and the digital input terminal; and switching control means for controlling the switching means to switch the internal connection from a digital input terminal side to an analog input terminal side, when the HDCP authentication is unsuccessful in a state where the digital input terminal and a digital output terminal of an external device are connected.
    • 一种具有保护视频内容免受非法复制的HDCP认证功能的电视接收装置,包括:用于输入复合信号或分量信号的模拟输入端; 用于输入符合DVI标准的数字视频信号的数字输入端; 用于在模拟输入端和数字输入端之间内部切换的开关装置; 以及切换控制装置,用于当HDCP认证在外部设备的数字输入端子和数字输出端子的状态下不成功时,控制切换装置将内部连接从数字输入端子侧切换到模拟输入端子侧 被连接。
    • 5. 发明授权
    • Apparatus for reproducing digital audio waveform data
    • 用于再现数字音频波形数据的装置
    • US5659317A
    • 1997-08-19
    • US399327
    • 1995-03-06
    • Akira ToyamaKazuyuki Fujiwara
    • Akira ToyamaKazuyuki Fujiwara
    • G11B20/10H03M1/08H03M1/66H03M7/14
    • G11B20/10009G11B20/10527
    • In a waveform data reproducing apparatus for a digital audio system, deterioration of sound quality is prevented by a digital audio waveform data reproducing apparatus which includes a digital preemphasis circuit 12 for digitally preemphasis-processing digital audio waveform data a1 to produce digitally preemphasized data c1, a D/A converter 14 for D/A-converting either the waveform data a1, or the digitally preemphasized data c1, a switch circuit 13 for causing the waveform data a1 to be connected to the D/A converter 14 when the waveform data a1 has been emphasis-processed, and for causing the digitally preemphasized waveform data c1 to be connected to the D/A converter 14 when the waveform data a1 is not emphasis-processed, and an analog deemphasis circuit 14 for analogically deemphasis-processing the output signal from the D/A converter 14.
    • 在用于数字音频系统的波形数据再现装置中,通过数字音频波形数据再现装置防止声音质量的劣化,数字音频波形数据再现装置包括用于数字预加重处理数字音频波形数据a1的数字预加重电路12以产生数字预加密数据c1, 用于对波形数据a1或数字预加密数据c1进行D / A转换的D / A转换器14,用于当波形数据a1(...)时使波形数据a1连接到D / A转换器14的开关电路13 并且当波形数据a1未被强调处理时,使数字预加重的波形数据c1连接到D / A转换器14,以及用于模拟去加重该输出信号的模拟去加重电路14 来自D / A转换器14。
    • 7. 发明授权
    • Optical disc apparatus
    • 光盘装置
    • US07522821B2
    • 2009-04-21
    • US10656196
    • 2003-09-08
    • Kazuyuki Fujiwara
    • Kazuyuki Fujiwara
    • H04N5/91H04N7/00
    • H04N21/4305G11B27/10G11B27/105G11B2220/2562H04N5/775H04N5/85H04N9/8042H04N9/8063
    • In an optical disc apparatus using a decoder chip with no synchronization function of audio data and visual data, when reproduction of the audio data goes ahead of reproduction of the visual data by a period equal to or larger than 100 ms, a reproducing period of a first picture included in each VOBU (Video Object Unit) is shortened than that of other pictures in the same VOBU which are normally reproduced by a normal reproducing period with no lip sync compensation for synchronizing the reproduction of the visual data with the reproduction of the audio data. When leading of the audio data with respect to the video data becomes equal to or smaller than 30 ms, the lip sync compensation is stopped.
    • 在使用没有音频数据和视觉数据的同步功能的解码器芯片的光盘装置中,当音频数据的再现超过视觉数据的再现超过等于或大于100ms的周期时,再现周期 包括在每个VOBU(视频对象单元)中的第一图像比通常由正常再现周期再现的同一VOBU中的其他图像的图像缩短,没有唇同步补偿,用于使视频数据的再现与音频的再现同步 数据。 当相对于视频数据的音频数据的引导变为等于或小于30ms时,停止唇同步补偿。
    • 10. 发明授权
    • Television receiving apparatus
    • 电视接收装置
    • US07752673B2
    • 2010-07-06
    • US11195935
    • 2005-08-03
    • Kazuyuki Fujiwara
    • Kazuyuki Fujiwara
    • G06F7/04G06F17/30
    • H04N21/40G09G5/003G09G5/006G09G2358/00G09G2370/12G09G2370/20G09G2370/22H04N21/4122H04N21/4367
    • A television receiving apparatus having an HDCP authentication function of protecting the video contents from illegal copy, including: an analog input terminal for inputting a composite signal or component signal; a digital input terminal for inputting a digit video signal conforming to the DVI standards; switching means for switching internally between the analog input terminal and the digital input terminal; and switching control means for controlling the switching means to switch the internal connection from a digital input terminal side to an analog input terminal side, when the HDCP authentication is unsuccessful in a state where the digital input terminal and a digital output terminal of an external device are connected.
    • 一种具有保护视频内容免受非法复制的HDCP认证功能的电视接收装置,包括:用于输入复合信号或分量信号的模拟输入端; 用于输入符合DVI标准的数字视频信号的数字输入端; 用于在模拟输入端和数字输入端之间内部切换的开关装置; 以及切换控制装置,用于当HDCP认证在外部设备的数字输入端子和数字输出端子的状态下不成功时,控制切换装置将内部连接从数字输入端子侧切换到模拟输入端子侧 被连接。