Line printer attachment

Details Line printer attachment Line printer attachment

1982-01-04

1983-05-31

Gellner, Michael L.

Recorders

Combined with external recorder operating means

Single external means for plural markers, single record

340716, G01D 900

Patent

active

043863590

ABSTRACT:
A line printer attachment for converting a display screen copier printer to a line printer. The last or extra line of the display is used as the line print buffer. An initiate print signal is generated upon detecting that the last or extra line is to be scanned. The initiate print signal is used to blank or inhibit the serial video data from the display screen and to enable the printer. The serial video data is constantly sent to the printer attachment but is ignored until the printer is enabled. With the printer enabled, printing takes place using the line print buffer data which has been serialized as serial video data. The print buffer data remains unchanged during the entire printing of the line where the printing is done in series of horizontal lines to complete the printing of a line. At the end of each horizontal line of print a vertical screen retrace occurs and the display screen is swept where again the last or extra line is detected and another initiate print signal is generated. The next horizontal line of the series of horizontal lines for completing a line of print is printed and the operation repeats until an entire line of printing is completed.

REFERENCES:
patent: 4334231 (1982-06-01), Regehr

Affiliated with

Also associated with

Rating

Line printer attachment does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Line printer attachment, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Line printer attachment will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2247795