High speed single-pass scanning device for color optical reader

A scanning device for a color optical reader, comprising:

• color image sensor means including a color charge-coupled-device (CCD) (2) to sense and transfer color image signals to electrical analog image signals to output red, green and blue image signals simultaneously;
• driver circuitry means including a CCD driver (1) to drive said color CCD and control the magnitude of the output image signals from said color CCD;
• a color separation means (20) including:
• at least an analog multiplexer means (5, 6) to select one of the proper said red, green, and blue image signals;
• at least a DC filter (7) to remove the DC portion of the selected said image signal;
• at least a signal amplifier (8) to amplify said selected image signal;
• at least an A/D converter (9) to convert the selected analog image signal to digital image signal data;
• a pixel arrangement means (20) including:
• at least a buffer register (15) having written therein in row line sequence said digital image signal data;
• at least a buffer register address multiplexer means (18) to generate writing and reading addresses respectively with writing in said row line sequence and reading in column line sequence;
• at least a writing counter (16) and a reading counter (17) accompanying said buffer register address multiplexer (18) to produce said writing and reading address, wherein the row line sequence is read in column line sequence to transfer line sequence to pixel sequence.