MULTIPLEXER AND IMAGING SYSTEM
    2.
    发明公开

    公开(公告)号:US20230370186A1

    公开(公告)日:2023-11-16

    申请号:US18030567

    申请日:2021-10-07

    IPC分类号: H04J3/06 H04N5/073

    CPC分类号: H04J3/0652 H04N5/0736

    摘要: Multiplexer (100) according to the present invention includes: an input unit (11) to which a plurality of image signals based on a first data communication standard are input, the image signals being acquired by respective imaging devices (2); an output unit (14) that outputs an image signal based on a second data communication standard having a data transfer rate lower than that of the first data communication standard; and a storage unit (12) that temporarily buffers the image signals input from the input unit (11). With such a multiplexer 100, it is possible to collectively convert the image data acquired by a plurality of imaging devices adopting a certain data communication standard into another data communication standard and suppress the data transfer delay caused by the conversion.

    Imaging system and endoscope device

    公开(公告)号:US11771306B2

    公开(公告)日:2023-10-03

    申请号:US17706182

    申请日:2022-03-28

    发明人: Shuichi Kato

    摘要: An embodiment of the present invention is an imaging system in which a camera unit and a control unit are connected by a video signal transmission line and a clock line, and the camera unit and the control unit operate in synchronization with each other by a horizontal synchronization signal and a vertical synchronization signal indicating reading timing of the video signal. The camera unit includes a signal analysis circuit configured to encode information superimposed on a master clock, and encode a register control signal superimposed on the master clock using a camera clock based on timing of the horizontal synchronization signal or the vertical synchronization signal, and write an imaging condition indicated by the register control signal to a register.

    Method and apparatus for transmitting and receiving audio over analog video transmission over a single coaxial cable

    公开(公告)号:US11412177B1

    公开(公告)日:2022-08-09

    申请号:US17373625

    申请日:2021-07-12

    申请人: Techpoint, Inc.

    发明人: Feng Kuo

    摘要: Disclosure herein includes descriptions of a method for transmission of digital audio over analog video data with a single cable. The method comprising receiving, by a video transmitter, a digital video signal and one of a digital or an analog audio signal. Sampling, by an audio analog-to-digital converter (ADC), the audio signal if it is an analog audio signal. Storing, in a First-in-First-Out (FIFO) buffer, digital audio data corresponding to the sampled analog audio signal; reading, by an arbiter, the digitized audio samples, in response detecting an availability of data in the FIFO buffer and formatting the serialized audio bits with a digital start code; inserting the serialized audio bits and the digital start code into a blanking period of the digital video signal, thereby generating a combined digital audio and video signal and converting, by a digital-to-analog converter (DAC), the combined digital audio and video signal to analog, thereby generating a combined analog audio and video stream including audio data in a native form; and transmitting the combined analog audio and video stream to a receiver in one direction. In another embodiment, an analog signal is transmitted in the opposite direction.

    Audio synchronization of a dumb speaker and a smart speaker using a spread code

    公开(公告)号:US10958301B2

    公开(公告)日:2021-03-23

    申请号:US16133811

    申请日:2018-09-18

    申请人: Roku, Inc.

    摘要: Disclosed herein are system, apparatus, article of manufacture, method and/or computer program product embodiments, and/or combinations and sub-combinations thereof, for synchronizing playback of audiovisual content with a dumb speaker. In some embodiments, a display device transmits a spread spectrum signal to a dumb speaker over a data channel using a spread spectrum code. The display device then receives the spread spectrum signal from the dumb speaker over an audio data channel. The display device despreads the spread spectrum signal based on the spreading code. The display device determines a time of receipt of the spread spectrum signal. The display device calculates an audiovisual output path delay for the dumb speaker based on the time of receipt and a time of transmission. The display device then synchronizes the playback of the audiovisual content at the dumb speaker and a smart speaker based on the audiovisual output path delay.

    Glassless three-dimensional (3D) display apparatus and control method thereof

    公开(公告)号:US10931939B2

    公开(公告)日:2021-02-23

    申请号:US15154423

    申请日:2016-05-13

    摘要: A glassless three-dimensional (3D) display apparatus includes a storage configured to store information on a possible depth range providable by the glassless 3D display apparatus and information on a reference output depth range; a display configured to provide a plurality of image views having different viewpoints to a user; and a processor configured to render the plurality of image views having the different viewpoints based on a depth of an input image, to provide a multi-view image, wherein the processor is configured to adjust, based on the depth of the input image, at least one of a minimum value and a maximum value of the reference output depth range, within the possible depth range, to determine an output depth range corresponding to the input image, and render the plurality of image views based on the determined output depth range.