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Class Information
Number: 348/432.1
Name: Television > Bandwidth reduction system > Format type > Added video information in standard channel format
Description: Subject matter wherein the narrow band signal is a conventional TV signal, and the broadband display is reconstructed using the conventional signal and at least one other signal is transmitted with the conventional signal.










Sub-classes under this class:

Class Number Class Name Patents
348/433.1 Including additional modulation of picture carrier (e.g., quadrature) 20
348/434.1 Including information in sync, blanking, or overscan 32
348/436.1 Including use of a subcarrier 28


Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
8599932 Carriage systems encoding or decoding JPEG 2000 video Dec. 3, 2013
8595762 Confirming video transmissions Nov. 26, 2013
8379714 Digital broadcast transmitter/receiver having improved receiving performance and signal processing method thereof Feb. 19, 2013
8184688 Digital broadcasting reception apparatus and robust stream decoding method thereof May. 22, 2012
8032904 Confirming video transmissions Oct. 4, 2011
7966633 Method for receiving broadcasting signal and broadcasting receiver Jun. 21, 2011
7890980 Method for receiving broadcasting signal and broadcasting receiver Feb. 15, 2011
7873103 Digital broadcast transmitter/receiver having improved receiving performance and signal processing method thereof Jan. 18, 2011
7840866 Digital broadcasting transmission apparatus and robust stream coding method thereof Nov. 23, 2010
7813426 Digital broadcast transmitter/receiver having improved receiving performance and signal processing method thereof Oct. 12, 2010
7738603 Decision feedback equalizer and method used in digital television receiver Jun. 15, 2010
7711045 Digital broadcast transmitter/receiver having improved receiving performance and signal processing method thereof May. 4, 2010
7707600 Confirming video transmissions Apr. 27, 2010
7671873 Systems for and methods of processing signals in a graphics format Mar. 2, 2010
7620102 Digital broadcasting transmission and reception system Nov. 17, 2009
7555203 Information recording medium, information recording and/or reproducing apparatus and method, computer program for controlling record or reproduction, and data structure including control signa Jun. 30, 2009
7551844 Information recording medium, information recording apparatus and method, information reproduction apparatus and method, information recording/reproduction apparatus and method, computer progr Jun. 23, 2009
7345690 Display system for adjusting video parameters for user-selected area Mar. 18, 2008
6950604 Transport stream recording apparatus and method, transport stream reproducing apparatus and method, and program recording medium Sep. 27, 2005
6937618 Separating device and method and signal receiving device and method Aug. 30, 2005
6912251 Frame-accurate seamless splicing of information streams Jun. 28, 2005
6480545 Architecture for multi-format video processing Nov. 12, 2002
6366324 Transmitting sequentially scanned images through a channel intended for interlaced images Apr. 2, 2002
6347115 Method and system for predictive coding of images treated with the Roberts Method Feb. 12, 2002
6326960 Video output phase control in a decoder Dec. 4, 2001
5914752 Band-division signal processing system Jun. 22, 1999
5684540 Video signal decoding apparatus for use with varying helper signal levels Nov. 4, 1997
5666170 Apparatus for decoding video signals encoded in different formats Sep. 9, 1997
5559559 Transmitting a secondary signal with dynamic injection level control Sep. 24, 1996
5539842 Method and apparatus for compressing and decompressing images of documents Jul. 23, 1996
5534932 Letterbox television system Jul. 9, 1996
5500679 Method and apparatus for deriving a video signal corresponding to a standard definition signal from a high definition signal Mar. 19, 1996
5486871 Automatic letterbox detection Jan. 23, 1996
5459585 Apparatus and method of storing image signals Oct. 17, 1995
5442403 Wide-screen TV signal transmission apparatus Aug. 15, 1995
5425050 Television transmission system using spread spectrum and orthogonal frequency-division multiplex Jun. 13, 1995
5410360 Timing control for injecting a burst and data into a video signal Apr. 25, 1995
5386236 Television screen aspect ratio converting method and the device thereof Jan. 31, 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
5327236 Video switcher apparatus for wide screen EDTV signals Jul. 5, 1994
5208668 Television transmission system including encoder and decoder compatible with current television standards having a 4:3 aspect ratio May. 4, 1993
5126844 Decomposition and recombination of a wide-aspect ratio image Jun. 30, 1992
5084765 Aspect ratio-improved television system compatible with conventional systems Jan. 28, 1992
5068728 Compatible increased aspect ratio television system Nov. 26, 1991
5067018 Frequency-division multiplexing arrangement for preventing interference between a main television signal and a helper signal thereof Nov. 19, 1991
5043807 Three dimensional composite video motion detection Aug. 27, 1991
5036386 Television signal processing apparatus Jul. 30, 1991
5010405 Receiver-compatible enhanced definition television system Apr. 23, 1991
5003377 Extended definition television systems Mar. 26, 1991

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