Coded data generation or conversion – Digital pattern reading type converter – Incremental
Patent
1991-10-28
1993-04-27
Pellinen, A. D.
Coded data generation or conversion
Digital pattern reading type converter
Incremental
341 13, H03M 122
Patent
active
052066452
ABSTRACT:
An apparatus is provided for generating a pulse train, the apparatus comprising a member having a plurality of spaced marks disposed thereon with at least one of the spaced marks being a reference mark. The member is in communication with means for generating the pulse train as the plurality of spaced marks move. Additionally, the pulse train has a periodicity defined by the same edge of two successive pulses and the plurality of spaced marks are configured so that the periodicity of the pulse train remains constant.
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patent: 4628298 (1986-12-01), Hafle et al.
patent: 4786803 (1988-11-01), Majette et al.
patent: 4789874 (1988-12-01), Majette et al.
patent: 5013910 (1991-05-01), Epstein
Cohen Gary B.
Pellinen A. D.
Xerox Corporation
Young Brian K.
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