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Sample and Hold Type Mark Detector Disclosure Number: IPCOM000045271D
Original Publication Date: 1983-Feb-01
Included in the Prior Art Database: 2005-Feb-06

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Eguchi, H [+details]


A circuit for sensing optical marks on a reflective background is disclosed which is applicable to an optical line finder (OLF) for passbook printing, wherein a line mark for the last printed line thereon is optically sensed prior to the next line printing to properly determine the next print line.