Electrical pulse counters – pulse dividers – or shift registers: c – Electromechanical counter
Reexamination Certificate
2008-05-27
2008-05-27
Lam, Tuan T (Department: 2816)
Electrical pulse counters, pulse dividers, or shift registers: c
Electromechanical counter
C377S089000, C324S244100, C324S260000
Reexamination Certificate
active
07379523
ABSTRACT:
An electromagnetic counter includes an electromagnetic counting mechanism in a frame, a plurality of number wheels at least one of which is configured to rotate through a predetermined angle in response to rotation of an electromagnetically motivated anchor, wherein each of the number wheels is disposed proximate a window provided in the front of a frame enclosing cover to form a readable display section. A mounting board supports a light emitting diode for illuminating the display section, and a wiring pattern that supplies electrical power to the light emitting diode. A reflective surface is provided on at least one of an internal surface of the cover member to reflect light from the light emitting diode toward the numbered wheels, the periphery of one or more of the numbered wheels, and indicia formed in the numbered wheels, to render the number wheels readily readable when illuminated by the light emitting diode.
REFERENCES:
patent: 3814908 (1974-06-01), Wakabayashi
patent: 5010334 (1991-04-01), Ponzio
patent: 5578807 (1996-11-01), Tsukakoshi
patent: 6859510 (2005-02-01), Ishida
Contex Corporation
Kanesaka Manabu
Lam Tuan T
Tokyo Keisu Industry Co., Ltd.
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