专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明申请

US20200312276A1 RECEIVING CIRCUIT AND SIGNAL PROCESSING METHOD FOR HIGH DEFINITION MULTIMEDIA INTERFACE 审中-公开
公开(公告)号：US20200312276A1
公开(公告)日：2020-10-01
申请号：US16808403
申请日：2020-03-04
申请人： Realtek Semiconductor Corp.
发明人： Tsung-Hsuan Wu , Hsu-Jung Tung , Ching-Sheng Cheng
IPC分类号： G09G5/12 , G09G5/00
摘要： The present invention provides a receiving circuit applied to an HDMI, wherein the receiving circuit includes a decoder, a frame key calculating circuit, a line key calculating circuit and a control circuit. In the operations of the receiving circuit, the decoder decodes a data stream to generate at least one image frame, the frame key calculating circuit is arranged to calculate a frame key according to the image frame, the line key calculating circuit is arranged to calculate a plurality of line keys according to the image frame, and the control circuit determines to turn off or turn on the line key calculating circuit according to whether or not the image frame is displayed on a display panel.

2. 发明公开

US20230308687A1 METHOD AND APPARATUS OF IMAGE COMPRESSION WITH BIT RATE CONTROL 审中-公开
公开(公告)号：US20230308687A1
公开(公告)日：2023-09-28
申请号：US17701647
申请日：2022-03-22
申请人： Realtek Semiconductor Corp.
发明人： Hsu-Jung Tung , Chi-Wang Chai , Weimin Zeng , Yi-Chen Tseng
IPC分类号： H04N19/625 , H04N19/176
CPC分类号： H04N19/625 , H04N19/176
摘要： A method for compressing images based on joint photographic experts group (JPEG) standard includes: compressing data of one or more first image blocks with a first compression level to produce compression data of the one or more first image blocks; adjusting the first compression level to obtain a second compression level according to at least one of a data size-related index regarding the compression data of the one or more first image blocks or a transmission-related index regarding transmission of the compression data of the one or more first image blocks; and compressing data of a second image block with the second compression level.

3. 发明授权

US08896350B2 Sampling circuit and sampling method 有权
标题翻译：采样电路和采样方法
公开(公告)号：US08896350B2
公开(公告)日：2014-11-25
申请号：US14064553
申请日：2013-10-28
申请人： Realtek Semiconductor Corp.
发明人： Ching-Sheng Cheng , Hsu-Jung Tung
IPC分类号： G11C27/02
CPC分类号： H03K5/159
摘要： A sampling circuit and a sampling method are provided, where the sampling circuit includes a first delay chain, a second delay chain, and a half-speed binary-phase detector. The first delay chain is used to delay an input signal according to an up signal and a down signal, so as to generate a first delay signal; and the second delay chain is used to delay the first delay signal according to a preset delay value, so as to generate a second delay signal. The half-speed binary-phase detector is used to sample a data signal according to edge trigger of the first delay signal and that of the second delay signal, and generate an output signal, an up signal, and a down signal according to a sampling result of the data signal.
摘要翻译：提供采样电路和采样方法，其中采样电路包括第一延迟链，第二延迟链和半速二进制相位检测器。第一延迟链用于根据上升信号和下降信号延迟输入信号，以产生第一延迟信号; 并且第二延迟链用于根据预设的延迟值来延迟第一延迟信号，以便产生第二延迟信号。半速二进制相位检测器用于根据第一延迟信号和第二延迟信号的边沿触发采样数据信号，并根据采样产生输出信号，上升信号和下降信号数据信号的结果。

4. 发明申请

US20130188027A1 IMAGE DEPTH GENERATION DEVICE AND METHOD THEREOF 有权
标题翻译：图像深度生成装置及其方法
公开(公告)号：US20130188027A1
公开(公告)日：2013-07-25
申请号：US13744773
申请日：2013-01-18
申请人： Realtek Semiconductor Corp.
发明人： Chia-Wei Yu , Chun-Hsing Hsieh , Hao-Ying Cheng , Hsu-Jung Tung
IPC分类号： H04N13/04
CPC分类号： H04N13/30 , H04N13/257 , H04N13/261
摘要： An image depth generation device and method thereof is disclosed in the present invention. The device includes at least a processing circuit and at least a calculator. The processing circuit receives an input image and determines a visual distance of a pixel Pi according to a color of the pixel in the input image and at least a reference value to generate a depth offset of each pixel. The calculator is coupled to the processing circuit and uses the depth offset of each pixel and a predetermined depth to generate an output depth value of each pixel in the input image.
摘要翻译：在本发明中公开了一种图像深度生成装置及其方法。该装置至少包括处理电路和至少一个计算器。处理电路接收输入图像，并根据输入图像中的像素的颜色和至少参考值确定像素Pi的视距，以生成每个像素的深度偏移。计算器耦合到处理电路，并使用每个像素的深度偏移和预定深度来生成输入图像中每个像素的输出深度值。

5. 发明申请

US20220086389A1 SPLIT-TYPE DISPLAY SYSTEM 有权
公开(公告)号：US20220086389A1
公开(公告)日：2022-03-17
申请号：US17328075
申请日：2021-05-24
申请人： REALTEK SEMICONDUCTOR CORP.
发明人： Hsu-Jung Tung , Wei-Liang Cheng , Lien-Hsiang Sung
IPC分类号： H04N7/10 , H04N7/01 , H04N5/067
摘要： A split-type display system includes a processing device, a display device, and a transmission cable connecting the processing device and the displaying device. The processing device includes a processing unit, a first and a second conversion unit. The display device includes a third and a fourth conversion unit, and a display unit. The processing unit generates a first image signal and a first timing control signal. The first and the second conversion units, respectively, converts the first image signal and the first timing control signal into a second image signal and a second timing control signal. The third and the fourth conversion units, respectively, receive and convert the second image signal and the second timing control signal into a third image signal and a third timing control signal. The display unit displays the third image signal according to the third timing control signal.

6. 发明申请

US20220084452A1 SPLIT-TYPE DISPLAY SYSTEM 有权
公开(公告)号：US20220084452A1
公开(公告)日：2022-03-17
申请号：US17352741
申请日：2021-06-21
申请人： REALTEK SEMICONDUCTOR CORP.
发明人： Hsu-Jung Tung , Lien-Hsiang Sung , Wei-Liang Cheng
IPC分类号： G09G3/20 , G06F3/14
摘要： A split-type display system includes a processing device, a display device, and a transmission cable connecting the devices. The processing device includes a processing unit and a low-to-high unit. The processing unit generates a first image signal having both a first transmission rate and a first channel number. The low-to-high unit converts the first image signal into a second image signal having both a second transmission rate and a second channel number. The first transmission rate is lower than the second transmission rate. The display device includes a high-to-low unit and a display unit. The high-to-low unit receives and converts the second image signal into a third image signal having both a third transmission rate and a third channel number. The display unit displays the third image signal. a number of channels of the transmission cable is the same as the second channel number.

7. 发明授权

US11087717B2 Receiving circuit and signal processing method for high definition multimedia interface 有权
公开(公告)号：US11087717B2
公开(公告)日：2021-08-10
申请号：US16808403
申请日：2020-03-04
申请人： Realtek Semiconductor Corp.
发明人： Tsung-Hsuan Wu , Hsu-Jung Tung , Ching-Sheng Cheng
IPC分类号： G09G5/12 , G09G5/00
摘要： The present invention provides a receiving circuit applied to an HDMI, wherein the receiving circuit includes a decoder, a frame key calculating circuit, a line key calculating circuit and a control circuit. In the operations of the receiving circuit, the decoder decodes a data stream to generate at least one image frame, the frame key calculating circuit is arranged to calculate a frame key according to the image frame, the line key calculating circuit is arranged to calculate a plurality of line keys according to the image frame, and the control circuit determines to turn off or turn on the line key calculating circuit according to whether or not the image frame is displayed on a display panel.

8. 发明授权

US09538051B2 Device and method for using an overdrive function to do motion smoothing 有权
标题翻译：使用过驱动功能进行运动平滑的装置和方法
公开(公告)号：US09538051B2
公开(公告)日：2017-01-03
申请号：US14606673
申请日：2015-01-27
申请人： Realtek Semiconductor Corp.
发明人： Hsu-Jung Tung , Chun-Hsing Hsieh , Chung-Ping Yu
IPC分类号： H04N5/21 , G09G5/36 , H04N7/50 , H04N5/14 , H04N7/01
CPC分类号： H04N5/21 , G09G5/363 , G09G2320/0252 , G09G2320/10 , H04N5/145 , H04N7/0115
摘要： A device and method using an overdrive function to do smoothing processing of video data including a frame sequence AABB or AABBB is disclosed in the present invention. The device includes a video information generator and an over drive circuit. The video information generator detects a plurality of continuous frames wherein the continuous frames include a current frame and a previous frame. When a second value of the current frame is different from a first value of the previous frame having the same position as that of the second value, the video information generator generates first video information; When the second value of the current frame is the same as the first value of the previous frame having the same position as that of the second value, the video information generator generates second video information. The over drive circuit generates a first target value which is a value between the first value and the second value according to the first video information, and uses the first target value to replace the second value of the current frame; or the overdrive circuit generates a second target value according to the second video information, and uses the second target value to replace the second value of the current frame.
摘要翻译：在本发明中公开了使用过驱动功能对包括帧序列AABB或AABBB的视频数据进行平滑处理的装置和方法。该装置包括视频信息发生器和过驱动电路。视频信息发生器检测多个连续帧，其中连续帧包括当前帧和先前帧。当当前帧的第二值与具有与第二值相同位置的先前帧的第一值不同时，视频信息生成器产生第一视频信息; 当当前帧的第二值与具有与第二值相同的位置的前一帧的第一值相同时，视频信息发生器产生第二视频信息。过驱动电路根据第一视频信息产生第一目标值，该第一目标值是第一值和第二值之间的值，并且使用第一目标值来替换当前帧的第二值; 或过驱动电路根据第二视频信息生成第二目标值，并且使用第二目标值来替换当前帧的第二值。

9. 发明授权

US09225970B2 Image depth generation device and method thereof 有权
标题翻译：图像深度生成装置及其方法
公开(公告)号：US09225970B2
公开(公告)日：2015-12-29
申请号：US13744773
申请日：2013-01-18
申请人： Realtek Semiconductor Corp.
发明人： Chia-Wei Yu , Chun-Hsing Hsieh , Hao-Ying Cheng , Hsu-Jung Tung
IPC分类号： H04N13/04 , H04N13/02
CPC分类号： H04N13/30 , H04N13/257 , H04N13/261
摘要： An image depth generation device and method thereof is disclosed in the present invention. The device includes at least a processing circuit and at least a calculator. The processing circuit receives an input image and determines a visual distance of a pixel Pi according to a color of the pixel in the input image and at least a reference value to generate a depth offset of each pixel. The calculator is coupled to the processing circuit and uses the depth offset of each pixel and a predetermined depth to generate an output depth value of each pixel in the input image.
摘要翻译：在本发明中公开了一种图像深度生成装置及其方法。该装置至少包括处理电路和至少一个计算器。处理电路接收输入图像，并根据输入图像中的像素的颜色和至少参考值确定像素Pi的视距，以生成每个像素的深度偏移。计算器耦合到处理电路，并使用每个像素的深度偏移和预定深度来生成输入图像中每个像素的输出深度值。

10. 发明申请

US20130187908A1 IMAGE PROCESSING DEVICE AND METHOD THEREOF 审中-公开
标题翻译：图像处理装置及其方法
公开(公告)号：US20130187908A1
公开(公告)日：2013-07-25
申请号：US13745887
申请日：2013-01-21
申请人： REALTEK SEMICONDUCTOR CORP.
发明人： Chia-Wei Yu , Hui-Hung Lin , Hsu-Jung Tung
IPC分类号： G06T15/00
CPC分类号： G06T15/00 , G06T5/003 , G06T5/008 , G06T2207/10024 , G06T2207/10028 , G06T2207/20012 , G06T2207/30201 , H04N13/128 , H04N13/271
摘要： An image processing device and method is disclosed. The image processing device includes a depth-of-interest (DOI) determining circuit and an image processing circuit. The DOI determining circuit generates a DOI distribution of the input image and corresponding depth information of the input image. The image processing circuit receives the input image and performs a predetermined image processing operation on the input image according to the DOI distribution to generate an output image.
摘要翻译：公开了一种图像处理装置和方法。图像处理装置包括感兴趣深度（DOI）确定电路和图像处理电路。 DOI确定电路产生输入图像的DOI分布和输入图像的对应深度信息。图像处理电路接收输入图像，并根据DOI分布对输入图像执行预定的图像处理操作，以生成输出图像。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式