# US 2014/0192213 A1 · Video generating system with multiple image sensors and related method thereof > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2014/0192213 A1 - Document ID: US20140192213A1 - Status: Published application - Kind: A1 - Application number: 13/925,840 - Filed: 2013-06-25 - Published: 2014-07-10 - Earliest claimed: 2013-01-08 - Assignees: Pixart Imaging Inc. - Applicants: PixArt Imaging Inc. - Inventors: Chih-Kang Han; En-Feng Hsu - Web page: https://patentgrep.com/patent/US20140192213A1 ## CPC - H04N 23/90: Arrangement of cameras or camera modules, e.g. multiple cameras in TV studios or sports stadiums - H04N 21/00: Selective content distribution, e.g. interactive television or video on demand [VOD] (real-time bi-directional transmission of motion video data H04N7/14 {; broadcast or conference over packet switching networks H04L12/18}) - H04N 23/45: for generating image signals from two or more image sensors being of different type or operating in different modes, e.g. with a CMOS sensor for moving images in combination with a charge-coupled device [CCD] for still images - H04N 23/698: for achieving an enlarged field of view, e.g. panoramic image capture - H04N 23/951: by using two or more images to influence resolution, frame rate or aspect ratio - H04N: PICTORIAL COMMUNICATION, e.g. TELEVISION ## Abstract A video generating system and a video generating method, which combine images generated by a plurality of different image sensors to generate output images, are provided. In the inventive video generating system and method, the image sensors share a signal transmission interface to transmit image data and synchronization signals in a time-shared manner to reduce the complexity of the signal transmission interface. ## Claims ### Claim 1 A video generating system, comprising: a plurality of image sensors, arranged to generate a plurality of images and a plurality of synchronization signals corresponding to the images; and a combining circuit, coupled to the image sensors, arranged to generate a plurality of output images according to the images, and generate a plurality of output synchronization signals corresponding to the output images according to the synchronization signals; wherein the image sensors comprise a first image sensor and a second image sensor; and when the combining circuit receives image data of at least a first image generated by the first image capturer, the combining circuit does not receive image data of at least a second image generated by the second image capturer at the same time. ### Claim 2 (depends on 1) The video generating system of claim 1, wherein a first output image of the output images is the first image; and a second output image of the output images is the second image. ### Claim 3 (depends on 2) The video generating system of claim 2, wherein an output synchronization signal corresponding to the first output image is generated based on a first synchronization signal corresponding to the first image; and an output synchronization signal corresponding to the second output image is generated based on a first synchronization signal corresponding to the second image. ### Claim 4 (depends on 1) The video generating system of claim 1, wherein an output image of the output images is composed of the first image and the second image. ### Claim 5 (depends on 4) The video generating system of claim 4, wherein a vertical synchronization signal corresponding to the output image is generated based on a vertical synchronization signal of the first image and a vertical synchronization signal of the second image. ### Claim 6 (depends on 4) The video generating system of claim 4, wherein an upper half of the output image is composed of the first image; and a lower half of the output image is composed of the second image. ### Claim 7 (depends on 4) The video generating system of claim 4, wherein a left half of the output image is composed of the first image; and a right half of the output image is composed of the second image. ### Claim 8 (depends on 4) The video generating system of claim 4, wherein a plurality of odd scan lines of the output image are composed of all scan lines of the first image, and a plurality of even scan lines of the output image are composed of all scan lines of the second image. ### Claim 9 (depends on 1) The video generating system of claim 1, further comprising: a bus, coupled between the image sensors and the combining circuit, arranged to perform signal transmission. ### Claim 10 (depends on 9) The video generating system of claim 9, wherein the first image sensor transmits a control signal to the second image sensor for determining when the second image sensor is allowed to utilize the bus to perform signal transmission with the combining circuit. ### Claim 11 (depends on 9) The video generating system of claim 9, wherein the combining circuit transmits one control signal to each of the first image sensor and the second image sensor for determining when the first image sensor is allowed to utilize the bus to perform signal transmission with the combining circuit and determining when the second image sensor is allowed to utilize the bus to perform signal transmission with the combining circuit. ### Claim 12 (depends on 1) The video generating system of claim 1, further comprising: a first bus, coupled between the first image sensor and the combining circuit, arranged to perform signal transmission; and a second bus, coupled between the second image sensor and the first image sensor, arranged to perform signal transmission between the first image sensor and the second image sensor. ### Claim 13 (depends on 12) The video generating system of claim 12, wherein the first image sensor transmits a control signal to the second image sensor for determining when the second image sensor is allowed to utilize the second bus to perform signal transmission with the first image sensor; and the first image sensor utilizes the first bus to transmit a signal received from the second bus to the combining circuit. ### Claim 14 (depends on 13) The video generating system of claim 13, wherein the image capturers further comprises a third image sensor; and the video generating system further comprises: a third bus, coupled between the second image sensor and the third image sensor; wherein the first image sensor transmits a control signal to the third image sensor for determining when the third image sensor is allowed to utilize the third bus to perform signal transmission with the second image sensor; and the second image sensor utilizes the second bus to transmit a signal received from the third bus to the first image sensor. ### Claim 15 A video generating method, comprising: utilizing a plurality of image sensors to generate a plurality of images and a plurality of synchronization signals corresponding to the images; receiving the images and generating a plurality of output images according to the images; and generating a plurality of output synchronization signals corresponding to the output images according to the synchronization signals; wherein the image sensors comprise a first image sensor and a second image sensor; and when the combining circuit receives image data of at least a first image generated by the first image capturer, the combining circuit does not receive image data of at least a second image generated by the second image capturer at the same time. ### Claim 16 (depends on 15) The video generating method of claim 15, wherein the step of generating the output images according to the images comprises: utilizing the first image as a first output image of the output images; and utilizing the second image as a second output image of the output images. ### Claim 17 (depends on 16) The video generating method of claim 16, wherein the step of generating the plurality of output synchronization signals corresponding to the output images according to the synchronization signals comprises: generating an output synchronization signal corresponding to the first output image according to a first synchronization signal corresponding to the first image; and generating an output synchronization signal corresponding to the second output image according to a first synchronization signal corresponding to the second image. ### Claim 18 (depends on 15) The video generating method of claim 15, wherein the step of generating the output images according to the images comprises: generating an output image of the output images according to the first image and the second image. ### Claim 19 (depends on 18) The video generating method of claim 18, wherein the step of generating the plurality of output synchronization signals corresponding to the output images according to the synchronization signals comprises: generating a vertical synchronization signal corresponding to the output image according to a vertical synchronization signal corresponding to the first image and a vertical synchronization signal corresponding to the second image. ### Claim 20 (depends on 18) The video generating method of claim 18, wherein the step of generating the output image of the output images according to the first image and the second image comprises: generating an upper half of the output image by utilizing the first image; and generating a lower half of the output image by utilizing the second image. ### Claim 21 (depends on 18) The video generating method of claim 18, wherein the step of generating the output image of the output images according to the first image and the second image comprises: generating a left half of the output image by utilizing the first image; and generating a right half of the output image by utilizing the second images. ### Claim 22 (depends on 18) The video generating method of claim 18, wherein the step of generating the output image of the output images according to the first image and the second image comprises: generating a plurality of odd scan lines of the output image by utilizing all scan lines of the first image; and generating a plurality of even scan lines of the output image by utilizing all scan lines of the second image.