Video generation and capture techniques

Details Video generation and capture techniques Video generation and capture techniques

2007-08-07

2007-08-07

Yang, Ryan (Department: 2628)

Computer graphics processing and selective visual display system

Data responsive crt display control

Data responsive deflection control

C348S181000

Reexamination Certificate

active

10155368

ABSTRACT:
Method for controlling stroke video generation components by creating a program to command the video generation components to provide video signals and integrating high level software constructs into the program. Integration of the high level software constructs into the program may entail integrating a GOTO command to enable repetition of a section of the program and repetition of a display sequence provided by implementation of that section, integrating a GOSUB and RETURN command to enable multiple use of a single section of the program at different locations within the program, integrating a conditional command to enable one portion of the program to be implemented when the condition is satisfied and another portion to be implemented when the condition is not satisfied, and/or integrating a DO-WHILE loop to enable repetition of a section of the program when a condition is satisfied and continuation of the program when the condition is not satisfied. A method for capturing and automatically formatting video signals in both synchronized and deflection driven forms in which a single real-time capture module is provided including three input channels for receiving the video signals, three analog to digital converters for processing the video signals and three dynamic memories. Data from the converters is stored in the three dynamic memories. A line location look-up table is generated during the storage of data which holds the starting address of the stored lines of synchronized video. A video signal is then generated by addressing the line location look-up table.

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