Electronic control of imaging system

G - Physics – 09 – G

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

375/18, 354/237

G09G 3/20 (2006.01) B41B 19/00 (2006.01) G06K 15/12 (2006.01)

Patent

CA 1254684

ABSTRACT In a phototypesetter, an array of light emitting diodes is energized in synchronization with an associated staggered array of fiber optic filaments. The array of filaments is slanted relative to the direction of movement, and type may be set in both forward and reverse directions. Type font data is stored in a compressed form in a first microprocessor subsystem. That compressed data is expanded in real time for each character in a high speed microprocessor subsystem. Charac- ter image data in the form of character contours is written into alternating RAM groups. The contour data is then read from the RAM groups on a slice basis and color data is generated. The alternate RAM groups allow for proper coloring of overlapping character images. The expanded data is then handled by a logic unit to allow for the staggered fiber optic filaments and for the slant of the fiber optic filament head in both forward and reverse directions. The data bits for each slice of type is divided into odd and even bytes which are in turn written into and read from a random access memory in a sequence determined by a programmable read only memory. Memory control bits in the high speed subsystem are obtained directly from a microinstruction memory.

561342

LandOfFree

Say what you really think

Search LandOfFree.com for Canadian inventors and patents. Rate them and share your experience with other people.

Rating

Electronic control of imaging system does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Electronic control of imaging system, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Electronic control of imaging system will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFCA-PAI-O-1194597

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.