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Class Information
Number: 348/426.1
Name: Television > Bandwidth reduction system > Format type
Description: Subject matter including systems that produce a narrow band signal, which resembles a conventional TV signal, from a broadband source and allow reconstruction of a broadband display.


Sub-classes under this class:

Class Number Class Name Patents
348/432.1 Added video information in standard channel format 45
348/427.1 Including frequency folding (e.g., subsampling) 26
348/437.1 Individual processing of different parts of image frequency band (e.g., sum and difference, high band/low band) 23


Patents under this class:

Patent Number Title Of Patent Date Issued
7403662 Browsing JPEG images using MPEG hardware chips Jul. 22, 2008
7262806 System and method for aligned compression of interlaced video Aug. 28, 2007
7221406 Data creation method and data transfer method and apparatus May. 22, 2007
7206352 ATSC digital television system Apr. 17, 2007
6933954 Aspect ratio conversion of video content Aug. 23, 2005
6873368 Low noise encoding and decoding method Mar. 29, 2005
6647062 Method and apparatus for detecting motion and absence of motion between odd and even video fields Nov. 11, 2003
6633612 Method and apparatus for detecting motion between odd and even video fields Oct. 14, 2003
6618095 Serial digital interface system transmission/reception method and device therefor Sep. 9, 2003
6414720 Digital broadcasting system using virtual channels Jul. 2, 2002
6201563 Trellis code modulation decoder structure for advanced digital television receiver Mar. 13, 2001
RE37070 High definition television receiver Feb. 27, 2001
6154780 Method and apparatus for transmission of a flexible and error resilient video bitstream Nov. 28, 2000
6144409 Method for producing a restored binary shape signal based on an interpolation technique Nov. 7, 2000
6108041 High-definition television signal processing for transmitting and receiving a television signal in a manner compatible with the present system Aug. 22, 2000
6081297 MPEG-2 encoder pre-processor for processing SDTV video and HDTV split picture video Jun. 27, 2000
5940863 Apparatus for de-rotating and de-interleaving data including plural memory devices and plural modulo memory address generators Aug. 17, 1999
5923374 Method and apparatus for reduced-bandwidth transmission of television signals Jul. 13, 1999
5909256 Telecommunication system for transmitting and receiving non-compressed high resolution analog signals Jun. 1, 1999
5864557 Method and apparatus for opportunistically transferring data in a packet stream encoder Jan. 26, 1999
5856847 High definition television coder/decoder where synchronization is achieved via the addition of absolute time reference signals at the coder Jan. 5, 1999
5841819 Viterbi decoder for digital packet signals Nov. 24, 1998
5815646 Decompression processor for video applications Sep. 29, 1998
5767797 High definition video decoding using multiple partition decoders Jun. 16, 1998
5761304 Video signal format converting circuit Jun. 2, 1998
5680482 Method and apparatus for improved video decompression by adaptive selection of video input buffer parameters Oct. 21, 1997
5668547 Runlength coding method and apparatus for use in a video signal encoding system Sep. 16, 1997
5666169 Parallel processor apparatus having means for processing signals of different lengths Sep. 9, 1997
5640210 High definition television coder/decoder which divides an HDTV signal into stripes for individual processing Jun. 17, 1997
5621464 Method of reordering a decoded video picture sequence Apr. 15, 1997
5621463 Easily expandable transport stream encoder Apr. 15, 1997
5604541 High definition television receiver Feb. 18, 1997
5515107 Method of encoding a stream of motion picture data May. 7, 1996
5508733 Method and apparatus for selectively receiving and storing a plurality of video signals Apr. 16, 1996
5475435 Layer encoding apparatus and layer decoding apparatus for input non-interlace video signal Dec. 12, 1995
5459789 Packet TV program component detector Oct. 17, 1995
5459585 Apparatus and method of storing image signals Oct. 17, 1995
5440342 Logic system and method for controlling any one of different charge coupled device image sensors to provide video image signals in accordance with a television standard Aug. 8, 1995
5430486 High resolution video image transmission and storage Jul. 4, 1995
5384598 System and method for frame differencing video compression and decompression with frame rate scalability Jan. 24, 1995
5353063 Method and apparatus for processing and/or displaying image data based on control data received with the image data Oct. 4, 1994
5335017 Method for encoding transmitting and receiving high definition television signals using single variable independent equations representing each pixel over time Aug. 2, 1994
5243419 Soft coding for HDTV Sep. 7, 1993
5231384 Apparatus for splitting video signal between two channels Jul. 27, 1993
5144431 Television signal transmission system with temporal processing Sep. 1, 1992
5128791 Multi-channel HDTV system Jul. 7, 1992
4672424 Progressively scanned television system with reduced chrominance bandwidth Jun. 9, 1987
4476484 Technique for providing compatibility between high-definition and conventional color television Oct. 9, 1984



 
 
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