Passive dirt shield for image reproduction devices
First Claim
Patent Images
1. A system for shielding sensors from airborne particulate matter in the environment of an electrostatic image reproduction device, said system comprising:
- a moving surface;
at least one sensor; and
a shield having at least one shield window, said shield adapted to be placed between said moving surface and said sensor, and said shield at least partially encloses a subsystem of said image reproduction device;
wherein the movement of said surface, and said shield and said shield window cooperate to move air through said shield window past said sensor toward said moving surface.
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Abstract
A system for shielding sensors from airborne particulate matter in the environment of an electrostatic image reproduction device at least includes: a moving surface; at least one sensor; and a shield having at least one shield window, the shield adapted to be placed between the moving surface and the sensor, and the shield at least partially encloses a subsystem of the image reproduction device; wherein the movement of the surface, and the shield and the shield window cooperate to move air through the shield window past the sensor toward the moving surface.
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Citations
20 Claims
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1. A system for shielding sensors from airborne particulate matter in the environment of an electrostatic image reproduction device, said system comprising:
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a moving surface;
at least one sensor; and
a shield having at least one shield window, said shield adapted to be placed between said moving surface and said sensor, and said shield at least partially encloses a subsystem of said image reproduction device;
wherein the movement of said surface, and said shield and said shield window cooperate to move air through said shield window past said sensor toward said moving surface. - View Dependent Claims (2, 3, 5, 6, 7, 8, 9, 10)
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4. A system for shielding sensors from airborne particulate matter in the environment of an electrostatic image reproduction device, said system comprising:
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a moving surface;
at least one extended toner area coverage (ETAC) sensor; and
a shield having at least one shield window, said shield adapted to be placed between said moving surface and said sensor, and said shield at least partially encloses a subsystem of said image reproduction device;
wherein said sensor has a line-of-sight view of said moving surface through said shield window, and wherein the movement of said surface, and said shield and said shield window cooperate to move air through said shield window past said sensor toward said moving surfaces.
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11. A method for shielding sensors from airborne particulate matter in the environment of an electrostatic image reproduction device, said method comprising:
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providing a moving surface;
providing at least one sensor;
placing a shield having at least one shield window between said moving surface and said sensor;
via said shield, at least partially enclosing a subsystem of said image reproduction device; and
via the movement of said surface, and said shield and said shield window, moving air through said shield window past said sensor toward said moving surface. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20)
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Specification