Bits-per-pixel reduction from variable intensity rasterizer to v

Computer graphics processing and selective visual display system – Computer graphics processing – Graph generating

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G06F 1500

Patent

active

06057853&

ABSTRACT:
A new oscilloscope design improves the processing of acquired voltage-versus-time data through the efficient high speed acquisition and rasterization of such data into a form that includes multiple-bits-per-pixel intensity information. The multi-bit-per-pixel variable intensity rasterizer is optimized for maximum throughput and most efficient use of memory bandwidth. In the presence of faltering trigger rates, rasterization interruption provides a high probability of capturing the data associated with the slow triggers. Circuitry is provided to compensate for acquisition time and amplitude non-linearities. Many-bits-per-pixel intensity information is mapped into a fewer-bits-per-pixel format by a controllable transfer function that provides multiple viewing capabilities for the operator. Another mode of operation emphasizes infrequent events over commonly occurring ones using variations in brightness or color.

REFERENCES:
patent: 5128870 (1992-07-01), Erdman
patent: 5414802 (1995-05-01), Takamura

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