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Class Information
Number: 348/913
Name: Television > Letterbox (e.g., display 16:9 aspect ratio image on 4:3 screen)
Description: Art collection of television systems having means for displaying a complete wide aspect ratio image on a narrow aspect ratio screen using the entire screen width and a portion of the screen height.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7538821 |
Display apparatus to detect letter-box boundary and method of displaying image using the same |
May. 26, 2009 |
| 7480011 |
Video processing chip capable of adjusting aspect ratio and method of displaying an image thereby |
Jan. 20, 2009 |
| 7450177 |
Apparatus and method to control caption positioning |
Nov. 11, 2008 |
| 7440033 |
Vector based motion compensation at image borders |
Oct. 21, 2008 |
| 7262811 |
System and method for automatic zoom |
Aug. 28, 2007 |
| 7262812 |
Method for fine tuned automatic zoom |
Aug. 28, 2007 |
| 7239354 |
Digital image demodulating apparatus |
Jul. 3, 2007 |
| 7224401 |
System and method of dynamic interface placement based on aspect ratio |
May. 29, 2007 |
| 7129992 |
Method and system for video display with automatic reframing |
Oct. 31, 2006 |
| 7084924 |
Method, apparatus, and system for displaying widescreen video images on standard video displays |
Aug. 1, 2006 |
| 7079192 |
Letter box line blackener for the HDTV/conventional-analog hybrid system |
Jul. 18, 2006 |
| 7057640 |
Method and apparatus for dynamic burnout imprinting protection with shift correction |
Jun. 6, 2006 |
| 6678009 |
Adjustable video display window |
Jan. 13, 2004 |
| 6593939 |
Image display device and driver circuit therefor |
Jul. 15, 2003 |
| 6525778 |
Image display unit for displaying undistorted images having different aspect ratios |
Feb. 25, 2003 |
| 6504706 |
Presentation device |
Jan. 7, 2003 |
| 6384864 |
Letter-box filtering circuit and method using the same |
May. 7, 2002 |
| 6340992 |
Automatic detection of letterbox and subtitles in video |
Jan. 22, 2002 |
| 6331862 |
Image expansion display and driver |
Dec. 18, 2001 |
| 6330037 |
Picture signal processing method for processing a picture signal containing information including main picture portion and non-picture portions |
Dec. 11, 2001 |
| 6262772 |
Method and apparatus for preventing display screen burn-in |
Jul. 17, 2001 |
| 6262779 |
Display apparatus with circuit expanding horizontal retrace interval of horizontal deflection current |
Jul. 17, 2001 |
| 6259479 |
Letterbox filter apparatus and method |
Jul. 10, 2001 |
| 6226046 |
Video signal discriminating circuit and television receiver |
May. 1, 2001 |
| 6208385 |
Letterbox image detection apparatus |
Mar. 27, 2001 |
| 6188449 |
Semiwide-screen television receiver |
Feb. 13, 2001 |
| 6157414 |
Image display apparatus for enlargement or reduction of an image using an interpolation process |
Dec. 5, 2000 |
| 6157410 |
Processing and display of images retrieved from digital still image files generated from digital moving images |
Dec. 5, 2000 |
| 6115072 |
16:9 aspect ratio conversion by letterbox method for an MPEG image |
Sep. 5, 2000 |
| 6084637 |
Decoding and displaying device for coded picture data |
Jul. 4, 2000 |
| 6064444 |
Picture processing apparatus and processing method |
May. 16, 2000 |
| RE36456 |
Video signal conversion method for displaying a 4:3 video signal on a 16:9 screen |
Dec. 21, 1999 |
| 5973749 |
Letter-box screen detection apparatus |
Oct. 26, 1999 |
| 5949494 |
Aspect ratio discrimination apparatus and image display apparatus including the same |
Sep. 7, 1999 |
| 5881205 |
Video image processing to product recorded media |
Mar. 9, 1999 |
| 5844624 |
Television receiver |
Dec. 1, 1998 |
| 5825427 |
Image display system |
Oct. 20, 1998 |
| 5805234 |
Television receiver |
Sep. 8, 1998 |
| 5760837 |
Video signal compression apparatus for horizontal compression of a video signal |
Jun. 2, 1998 |
| 5754243 |
Letter-box transformation device |
May. 19, 1998 |
| 5734434 |
Non-linear aspect ratio adaptation |
Mar. 31, 1998 |
| 5719636 |
Letter-box screen detection apparatus |
Feb. 17, 1998 |
| 5715010 |
Video signal compression apparatus for horizontal compression of a video signal |
Feb. 3, 1998 |
| 5703653 |
Video signal compression apparatus for horizontal compression of a video signal |
Dec. 30, 1997 |
| 5699123 |
Television receiver with an adjustable frame size |
Dec. 16, 1997 |
| 5686970 |
Average luminance level detection apparatus and aspect ratio auto-discrimination apparatus for a television signal using the same |
Nov. 11, 1997 |
| 5657082 |
Imaging apparatus and method using interpolation processing |
Aug. 12, 1997 |
| 5614956 |
Television receiver |
Mar. 25, 1997 |
| 5581304 |
Screen detecting system of a wide screen television for detecting blank top and bottom areas |
Dec. 3, 1996 |
| 5576771 |
Horizontal picture compression in widescreen television receivers |
Nov. 19, 1996 |
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