Coded data generation or conversion – Digital pattern reading type converter – With directional discrimination
Patent
1987-04-30
1988-11-01
Shoop, Jr., William M.
Coded data generation or conversion
Digital pattern reading type converter
With directional discrimination
341 15, H02M 148
Patent
active
047823291
ABSTRACT:
In construction of a displacement detector for an encoder provided with a phase locked loop connected to a detection head facing a scale of the encoder, use of a signal switching circuit allows optimum selection of signals used for generation of a system output signal depending on the speed of the relative movement between the detection head and the scale, thereby assuring generation of the system output signal at high degree of dissolution at any speed of the relative movement. Further, additional use of a parallel/serial converting unit assures high reliability in transmission of the system output signal to external systems.
REFERENCES:
ILC Data Device Corporation Catalog, SDC-19100 Monobrid Series, pp. 202-207, 1985.
Hayashi Yoshinori
Iijima Kenzaburou
Blum Richard K.
Nippon Gakki Seizo Kabushiki Kaisha
Shoop Jr. William M.
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