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Class 345/545 - Frame buffer


Subclass of Class 345 - Computer graphics processing and selective visual display systems
Definition: Subject matter wherein the graphics display memory stores
No. of patents: 655
Last issue date: 03/27/2012


                    17  
NumberTitleIssue Date
4533910Graphics display system with viewports of arbitrary location and content
In this computer graphics display system, individual viewports of arbitary arrangement, number and content are produced on a video screen. The graphics content, display parameters and interviewport spacing all are specified by a set of control word sequen...
08/06/1985
4498079Prioritized overlay of foreground objects line buffer system for a video display system
A priority ordered multiple video object display system is disclosed for use with a raster scan display having a plurality of display locations on a plurality of display lines. The display system comprises means for generating a list of ordered video obje...
02/05/1985
4386349High resolution graphics smoothing
A method and apparatus whereby an auxiliary yoke is used in conjunction with a CRT display to correctively deflect the electron beam to a true position within each pixel of a graphics figure, as the graphics figure is displayed on the CRT's screen. The ap...
05/31/1983
4158837Information display apparatus
A display system is shown which has a source of coded information in display mapped format and includes plural devices for decoding and utilizing the information in accordance with its position in that mapped format. In the illustrated embodiment, the sou...
06/19/1979
4149145Fax processor
An autonomous processor for displaying on a video tube both text characters and facsimile data. To conserve memory space the facsimile data is stored in compressed form and is decompressed or unfolded in synchronism with the vertical and horizontal deflec...
04/10/1979
4090174Method and apparatus for accessing horizontal sequences, vertical sequences and rectangular subarrays from an array stored in a modified word organized random access memory system
A conventional word organized random access memory is modified for image processing operations so that the pq image points of any 1 × pq, pq × 1 or p×q subarray of an rp × sq or smaller image array stored in the memory can be extracted or updated in a...
05/16/1978
4074254XY Addressable and updateable compressed video refresh buffer for digital TV display
A compressed refresh buffer utilizing a random access memory is disclosed which performs a mapping between the refresh buffer and a video display screen, such that only non-zero screen areas are represented in the refresh buffer. The dot image on the vide...
02/14/1978
4069511Digital bit image memory system
A digital bit image memory system especially adapted for use in a newspaper-type composition and display system. At least one digital storage location is provided for each elemental display position. The memory system is formed with plural rows and column...
01/17/1978
4011556Graphic display device
A graphic display device of the type which receives data and instructions from an external computer and displays graphic patterns such as alphanumeric characters, symbols, etc., upon a cathode ray tube in accordance therewith. The graphic display device h...
03/08/1977
3996559Method and apparatus for accessing horizontal sequences, vertical sequences and regularly spaced rectangular subarrays from an array stored in a modified word organized random access memory system
A conventional word organized random access memory is modified for image processing operations so that the pq image points of any 1 × pq subarray, any pq × 1 subarray, or any regularly-spaced p × q subarray of an rp × sq or smaller image array stored ...
12/07/1976
3995253Method and apparatus for accessing horizontal sequences, vertical sequences, and rectangular subarrays from an array stored in a modified word organized random access memory system
A conventional word organized random access memory is modified for image processing operations so that the pq image points of any 1 × pq, pq × 1 or pxq subarray of an rp × sq or smaller image array stored in the memory can be extracted or updated in a ...
11/30/1976
3961324Multiple receiver screen type picture displaying device
A device for displaying distinct pictures on n receiver screens of the television type comprising n+1 picture maintaining memories which can be connected to the n receivers through n switches and a monitoring element ensuring the charging of the memory wh...
06/01/1976
3938102Method and apparatus for accessing horizontal sequences and rectangular sub-arrays from an array stored in a modified word organized random access memory system
A conventional word organized random access memory is modified for image processing operations so that the pq image points of any 1 × pq or p × q subarray of an rp × sq or smaller image array stored in the memory can be extracted or updated in a single...
02/10/1976
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