Coded data generation or conversion – Digital pattern reading type converter – Optical
Patent
1989-06-06
1991-04-09
Shoop, Jr., William M.
Coded data generation or conversion
Digital pattern reading type converter
Optical
341 15, H03M 122
Patent
active
050068482
ABSTRACT:
Electrodes (6) provided on the inner periphery of a rotary plate (3) are different in number from those provided on the outer periphery. A slide knob (12) moves a contact part (5) along the plane of the rotary plate (3). Thus, the number of electric pulses generated every rotation of the rotary plate (3) when the contact part (5) is in the inner periphery is different from that when the contact part (5) is in the outer periphery.
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patent: 4559525 (1985-12-01), Abt et al.
patent: 4593269 (1986-06-01), Nakamura et al.
patent: 4670737 (1987-06-01), Rilling
patent: 4727356 (1988-02-01), Abe et al.
patent: 4788422 (1988-11-01), Fujiwara
patent: 4899145 (1990-02-01), Okuda et al.
Kim Helen
Mitsubishi Denki & Kabushiki Kaisha
Shoop Jr. William M.
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