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Class Information
Number: 348/536
Name: Television > Synchronization > Automatic phase or frequency control
Description: Subject matter including a means for automatically controlling the time or phase of an oscillating signal in response to sync signal components.

Sub-classes under this class:

Class Number Class Name Patents
348/540 Horizontal sync component 212
348/537 Of sampling or clock 354
348/549 Using color subcarrier 52
348/547 Vertical sync component 84

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

Patent Number Title Of Patent Date Issued
8624979 Monitoring apparatus for television Jan. 7, 2014
8615037 Display apparatus Dec. 24, 2013
8588281 Transceiver having embedded clock interface and method of operating transceiver Nov. 19, 2013
8576970 Phase-locked loop Nov. 5, 2013
8531604 Synchronization signal generating device and display apparatus Sep. 10, 2013
8526557 Signal transmission system, signal processing device, reference signal transmitting device, reference signal receiving device, electronic device, and signal transmission method Sep. 3, 2013
8405774 Synchronization signal control circuit and display apparatus Mar. 26, 2013
8368812 PLL loop able to recover a synchronisation clock rhythm comprising a temporal discontinuity Feb. 5, 2013
8355081 Digital display control device and method thereof Jan. 15, 2013
8331460 Video sink device Dec. 11, 2012
8332518 Bidirectional communication protocol between a serializer and a deserializer Dec. 11, 2012
8310595 Phase determination for resampling video Nov. 13, 2012
8294820 Video signal synchronization signal generating apparatus and video signal synchronization signal generation method Oct. 23, 2012
8290501 UL/DL scheduling for full bandwidth utilization Oct. 16, 2012
8264607 Method of sampling phase calibration and device thereof Sep. 11, 2012
8228431 Digital phase lock loop configurable as a frequency estimator Jul. 24, 2012
8212927 Image signal processing apparatus, image signal processing method and video display apparatus Jul. 3, 2012
8189724 Closed loop power normalized timing recovery for 8 VSB modulated signals May. 29, 2012
8184202 Display apparatus and phase detection method thereof May. 22, 2012
8164688 Frequency adjusting apparatus and adjusting method thereof Apr. 24, 2012
8164689 Synchronizing signal control circuit and synchronizing signal control method Apr. 24, 2012
8157389 Synchronous control system for light source and spatial light modulator employed in projection apparatus Apr. 17, 2012
8111330 Method and apparatus for analog graphics sample clock frequency offset detection and verification Feb. 7, 2012
8081984 UL/DL scheduling for full bandwidth utilization Dec. 20, 2011
8072542 Sampling device, display device using sampling device, and camera Dec. 6, 2011
8059200 Video clock generator for multiple video formats Nov. 15, 2011
8040158 Frequency difference detection apparatus and method, frequency discrimination apparatus and method, and frequency synthesis apparatus and method Oct. 18, 2011
8035755 TV broadcast receiver Oct. 11, 2011
7970254 PLL control circuit of optical disc apparatus, and recording medium having recorded thereon program for controlling the optical disc apparatus Jun. 28, 2011
7920213 Method for maintaining the phase difference of a positioning mirror as a constant with respect to a high speed resonant mirror to generate high quality images Apr. 5, 2011
7898539 Display drive integrated circuit and method for generating system clock signal Mar. 1, 2011
7893997 Method for generating video clock and associated target image frame Feb. 22, 2011
7868949 Circuit arrangement and method for locking onto and/or processing data, in particular audio, T[ele]v[ision] and/or video data Jan. 11, 2011
7864247 Method and apparatus for image scaling Jan. 4, 2011
7864252 Video signal processor capable of suppressing excessive heat generation, method using the same, display device and method using the same Jan. 4, 2011
7825990 Method and apparatus for analog graphics sample clock frequency offset detection and verification Nov. 2, 2010
7773153 Frame-based phase-locked display controller and method thereof Aug. 10, 2010
7764749 Phase tracking for received signals using adaptive interpolation Jul. 27, 2010
7750963 Timing signal generating circuit and photographing device having same circuit Jul. 6, 2010
7738039 Method and apparatus for setting a voltage controlled crystal oscillator in a video processing device Jun. 15, 2010
7733424 Method and apparatus for analog graphics sample clock frequency verification Jun. 8, 2010
7706488 OFDM frame synchronisation algorithm Apr. 27, 2010
7683972 Video signal processing apparatus which generates plural clocks and performing video signal processing using the plural clocks Mar. 23, 2010
7664369 Method and apparatus for improving the playability of a PAL or NTSC video signal containing color burst modifications Feb. 16, 2010
7649568 Image data decoding method of image vertical blanking interval and a device thereof Jan. 19, 2010
7633494 Apparatus and method for controlling display state Dec. 15, 2009
7599005 Method for synchronizing video signals Oct. 6, 2009
7580078 Sync separator apparatus Aug. 25, 2009
7535957 Transmitter circuit, receiver circuit, clock data recovery phase locked loop circuit, data transfer method and data transfer system May. 19, 2009
RE40675 Method and apparatus for automatic pixel clock phase and frequency correction in analog to digital video signal conversion Mar. 24, 2009

1 2 3 4 5 6 7

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