Radiant energy – Photocells; circuits and apparatus – With circuit for evaluating a web – strand – strip – or sheet
Reexamination Certificate
2005-01-18
2005-01-18
Pyo, Kevin (Department: 2878)
Radiant energy
Photocells; circuits and apparatus
With circuit for evaluating a web, strand, strip, or sheet
C250S201600, C356S003010, C356S003050, C396S111000
Reexamination Certificate
active
06844562
ABSTRACT:
A distance measuring sensor includes a case subassembly having inside a light emitting element and a light receiving element, and a lens case subassembly having a projection lens projecting a light output from the light emitting element and a condenser lens condensing the light reflected from the object, and attached to a front side of the case subassembly. The condenser lens is movably attached to the lens case subassembly, and after an output is adjusted, this condenser lens is fixed thereto. Thus, the distance measuring sensor enabling easier adjustment of an output can be provided.
REFERENCES:
patent: 4983033 (1991-01-01), Suzuki
patent: 5082363 (1992-01-01), Nakanishi et al.
patent: 4-256807 (1992-09-01), None
patent: 10-267647 (1998-10-01), None
Kawanishi Shinya
Takaoka Takashi
Birch Stewart Kolasch & Birch, LLP.
Pyo Kevin
Sharp Kabuskiki Kaisha
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