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Class Information
Number: 348/512
Name: Television > Synchronization > Locking of video or audio to reference timebase
Description: Subject matter including means for changing the time or phase of video or audio signals so as to correspond to a reference time or phase.

Sub-classes under this class:

Class Number Class Name Patents
348/515 Audio to video 253
348/516 By controlling video or sync generator 80
348/520 Color 20
348/513 Frame or field synchronizers 135
348/518 Including compensation for transmission delays 130

Patents under this class:
1 2 3 4 5 6 7 8

Patent Number Title Of Patent Date Issued
8711886 Transmitting a synchronizing signal in a packet network Apr. 29, 2014
8687118 Repeater being utilized between a source and sink device for lip-syncing in an HDMI system Apr. 1, 2014
8677437 Systems and methods for calculating the delay between media signals Mar. 18, 2014
8675134 Transmission apparatus, reception apparatus, communication system, transmission method, reception method, and programs therefor Mar. 18, 2014
8670072 Method and apparatus for streaming media data processing, and streaming media playback equipment Mar. 11, 2014
8654251 Method and apparatus for generating and transmitting synchronized video data Feb. 18, 2014
8643696 Synchronizing media streams using time signal(s) from an independent time source Feb. 4, 2014
8639032 Whiteboard archiving and presentation method Jan. 28, 2014
8634024 Asynchronous scanning display projection Jan. 21, 2014
8576970 Phase-locked loop Nov. 5, 2013
8576922 Capturing media in synchronized fashion Nov. 5, 2013
8564721 Timeline alignment and coordination for closed-caption text using speech recognition transcripts Oct. 22, 2013
8558952 Image-sound segment corresponding apparatus, method and program Oct. 15, 2013
8558951 Method, device and system for synchronizing audio/video signals Oct. 15, 2013
8558953 Method and apparatus for synchronizing audio and video streams Oct. 15, 2013
8549569 Alternative audio content presentation in a media content receiver Oct. 1, 2013
8537280 Display apparatus, communication apparatus, displaying method and program recording medium Sep. 17, 2013
8531603 System and method for in-band A/V timing measurement of serial digital video signals Sep. 10, 2013
8462268 Video processor timing generation Jun. 11, 2013
8462212 Correlating detected events with image data Jun. 11, 2013
8451375 Lip-sync correcting device and lip-sync correcting method May. 28, 2013
8441576 Receiving device, delay-information transmitting method in receiving device, audio output device, and delay-control method in audio output device May. 14, 2013
8441577 Apparatus, systems and methods for synchronization of a video stream and an audio stream May. 14, 2013
8441575 Audio clock regenerator with precise parameter transformer May. 14, 2013
8436939 AV delay measurement and correction via signature curves May. 7, 2013
8432954 Video serializer/deserializer having selectable multi-lane serial interface Apr. 30, 2013
8405773 Video communication quality estimation apparatus, method, and program Mar. 26, 2013
8405774 Synchronization signal control circuit and display apparatus Mar. 26, 2013
8395703 Display controller and display apparatus Mar. 12, 2013
8384827 System and method for in-band A/V timing measurement of serial digital video signals Feb. 26, 2013
8379735 Automatic video glitch detection and audio-video synchronization assessment Feb. 19, 2013
8379151 Synchronization of audio and video streams Feb. 19, 2013
8358375 Method and device for accurately and easily measuring a time difference between video and audio Jan. 22, 2013
8358376 Method and device for generating and detecting fingerprints for synchronizing audio and video Jan. 22, 2013
8355084 Methods of generating a pixel clock signal from a transmission clock signal and related data transmission methods for multimedia sources Jan. 15, 2013
8330859 Method, system, and program product for eliminating error contribution from production switchers with internal DVEs Dec. 11, 2012
8326112 Apparatus and method for performing a correlation between a test sound signal replayable at variable speed and a reference sound signal Dec. 4, 2012
8322928 Pitch bearing for wind turbine rotor blades Dec. 4, 2012
8300147 System and method for in-band A/V timing measurement of serial digital video signals Oct. 30, 2012
8301018 Audio/video synchronous playback device Oct. 30, 2012
8294820 Video signal synchronization signal generating apparatus and video signal synchronization signal generation method Oct. 23, 2012
8284310 Delay matching in audio/video systems Oct. 9, 2012
8279344 Synchronization of video presentation by video cadence modification Oct. 2, 2012
8269891 Compressed timing indicators for media samples Sep. 18, 2012
RE43573 Method and system for displaying an analog image by a digital display device Aug. 14, 2012
8237861 Video horizontal synchronizer Aug. 7, 2012
8238446 Method and apparatus for reproducing digital broadcasting Aug. 7, 2012
8233089 Television system Jul. 31, 2012
8228372 Digital video editing system Jul. 24, 2012
8219899 Verbal description method and system Jul. 10, 2012

1 2 3 4 5 6 7 8

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