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    • 51. 发明申请
    • APPARATUS FOR PROVIDING A COMBINED DIGITAL SIGNAL
    • 提供组合数字信号的装置
    • US20100201398A1
    • 2010-08-12
    • US12701196
    • 2010-02-05
    • Jian ZhaoMarc KuhnArmin WittnebenGerhard Bauch
    • Jian ZhaoMarc KuhnArmin WittnebenGerhard Bauch
    • H03K19/21
    • H04L1/0041H04L1/005H04L1/007H04L2001/0097
    • An apparatus for providing a combined digital signal comprises a bit adder and a combiner. The combined digital signal contains information of a first digital input signal and a second digital input signal, wherein a block length of the first digital input signal is shorter than a block length of the second digital input signal. The bit adder is configured to add at least one filling bit to a block of the first digital input signal to obtain an adapted first digital input signal, so that the block length of the adapted first digital input signal is equal to a block length of the second digital input signal. The combiner is configured to combine the adapted first digital input signal and the second digital input signal to obtain and provide the combined digital signal.
    • 用于提供组合数字信号的装置包括位加法器和组合器。 组合的数字信号包含第一数字输入信号和第二数字输入信号的信息,其中第一数字输入信号的块长度短于第二数字输入信号的块长度。 位加法器被配置为将至少一个填充位添加到第一数字输入信号的块,以获得适配的第一数字输入信号,使得适配的第一数字输入信号的块长度等于 第二数字输入信号。 组合器被配置为组合适配的第一数字输入信号和第二数字输入信号以获得并提供组合的数字信号。
    • 52. 发明授权
    • Ceramic heater-type glow plug
    • 陶瓷加热型电热塞
    • US07763829B2
    • 2010-07-27
    • US10582441
    • 2004-12-08
    • Arihito TanakaJian Zhao
    • Arihito TanakaJian Zhao
    • H05B6/76C04B35/52
    • F23Q7/001H05B3/141H05B2203/027
    • A ceramic glow plug which prevents the occurrence of damage on a small diameter portion formed on a rear end portion of a ceramic heater fixed in a metallic outer sleeve. The rear end portion of the ceramic heater is positioned inside the metallic outer sleeve, and the small diameter portion is formed on the rear end portion. The rear-end small diameter portion of the ceramic heater is connected to an electrode lead-out member for taking out a positive electrode of a heat generating material. Granulated powder (alumina, for example) made of inorganic insulating material is filled in around a connecting portion of the ceramic heater in the metallic outer tube and the electrode lead-out-wire, and in addition, an insulating material is sealed outside the granulated powder. Thereafter, swaging is performed to bring the insulating material into a highly dense state thus fixing the electrode lead-out wire and an electrode lead-out rod in the metallic outer sleeve.
    • 一种陶瓷预热塞,其防止在固定在金属外套筒中的陶瓷加热器的后端部上形成的小直径部分上产生损坏。 陶瓷加热器的后端位于金属外套筒的内部,小直径部分形成在后端部分上。 陶瓷加热器的后端小直径部分连接到用于取出发热材料的正极的电极引出部件。 在金属外管和电极引出线中的陶瓷加热器的连接部分周围填充由无机绝缘材料制成的造粒粉末(氧化铝),另外,将绝缘材料密封在粒状 粉末。 此后,进行模锻以使绝缘材料成为高密度状态,从而将电极引出线和电极引出杆固定在金属外套筒中。
    • 58. 发明申请
    • Apparatus and methods for improving detection of watermarks in content that has undergone a lossy transformation
    • 用于改善经历有损变换的内容中水印检测的装置和方法
    • US20050025338A1
    • 2005-02-03
    • US10923946
    • 2004-08-23
    • Jian ZhaoJustin PicardNiels Thorwirth
    • Jian ZhaoJustin PicardNiels Thorwirth
    • B41J5/30G06K9/00G06T1/00G06T7/00G07D7/12G07D7/20H04N1/387
    • G06T1/0028G06T1/005G06T2201/0065G06T2201/0081G07D7/0032G07D7/20
    • Techniques for improving detection of watermarks in content that has undergone a lossy transformation. One of the techniques is used when the message that is contained in a watermark belonging to a digital representation that is derived from an original watermarked digital representation cannot be decoded. The technique obtains information about the watermark by comparing the watermark vector for the watermark that cannot be decoded with a replica of the watermark vector from the original watermarked digital representation. The replica is made using the message. Depending on the degree of similarity, the watermark's presence and some of its characteristics may be determined. Another technique improves the robustness of watermarks that are used for authentication by employing a short (even single-bit) watermark vector to make the watermark and using the message needed for the authentication to determine where the watermark is located in the digital representation. Authentication of a digital representation is done by determining whether the watermark is present in the digital representation. In another technique, detection of the presence of a watermark is used to determine what areas of a digital representation have been subject to alteration. Techniques for synchronizing digital representations for watermark detection and other purposes include adding marks whose locations can be automatically detected only with the help of information that is external to the digital representation, such as a key, and adding marks to a sequence of digital representations and detecting the marks by summing the sequence.
    • 用于改进内容中经过有损变换的水印检测技术。 当包含在属于从原始水印数字表示导出的数字表示的水印中的消息不能被解码时,使用其中一种技术。 该技术通过将不能解码的水印的水印向量​​与来自原始水印数字表示的水印矢量的副本进行比较来获得关于水印的信息。 副本是使用消息。 根据相似度,可以确定水印的存在和其一些特征。 另一种技术通过采用短(甚至单位)水印向量来制作水印并使用认证所需的消息来确定水印在数字表示中的位置,从而提高了用于认证的水印的鲁棒性。 通过确定水印是否存在于数字表示中来完成数字表示的认证。 在另一种技术中,使用检测水印的存在来确定数字表示的哪些区域已被改变。 用于水印检测和其他目的的用于同步数字表示的技术包括添加标记,其位置可以仅借助于数字表示外部的信息(例如键)自动检测,并将标记添加到数字表示序列和检测 通过对序列进行求和来标记。