Laser power control manufacturing method of matching binned laser to drive conditions through soldering and component mounting techniques to convey binning information
First Claim
1. A method for programming a function of an optical mouse during assembly, comprising:
- mounting a dummy resistor on a printed circuit board, the dummy resistor being indicative of a parameter of the function;
mounting an optical mouse sensor and a nonvolatile memory on the printed circuit board;
electrically coupling a laser to the optical mouse sensor to receive a drive current;
further assembling the optical mouse;
after said further assembling the optical mouse;
determining the parameter from the dummy resistor;
programming the parameter into the nonvolatile memory, wherein during startup of the optical mouse, the optical mouse sensor is programmed with the parameter from the nonvolatile memory and drives the laser accordingly.
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Accused Products
Abstract
A method for programming a function of an optical mouse during assembly includes (1) mounting a dummy resistor on a printed circuit board, the dummy resistor being indicative of a parameter of the function, (2) mounting an optical mouse sensor and a nonvolatile memory on the printed circuit board, (3) coupling a laser to the optical mouse sensor to receive a drive current, (4) further assembling the optical mouse, and (5) after the further assembling the optical mouse, determining the parameter from the dummy resistor and programming the parameter into the nonvolatile memory. During startup of the optical mouse, the optical mouse sensor is programmed with the parameter from the nonvolatile memory and drives the laser accordingly.
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Citations
19 Claims
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1. A method for programming a function of an optical mouse during assembly, comprising:
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mounting a dummy resistor on a printed circuit board, the dummy resistor being indicative of a parameter of the function;
mounting an optical mouse sensor and a nonvolatile memory on the printed circuit board;
electrically coupling a laser to the optical mouse sensor to receive a drive current;
further assembling the optical mouse;
after said further assembling the optical mouse;
determining the parameter from the dummy resistor;
programming the parameter into the nonvolatile memory, wherein during startup of the optical mouse, the optical mouse sensor is programmed with the parameter from the nonvolatile memory and drives the laser accordingly. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A method for programming a function of an optical mouse during assembly, comprising:
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mounting a resistor on a printed circuit board, the resistor being indicative of a parameter of the function;
mounting an optical mouse controller on the printed circuit board, the optical mouse controller being electrically coupled to the resistor;
mounting an optical mouse sensor on the printed circuit board;
electrically coupling a laser to the optical mouse sensor to receive a drive current;
wherein during startup of the optical mouse, the optical mouse controller senses the resistor and programs the parameter into the optical mouse sensor to drive the laser accordingly. - View Dependent Claims (8, 9, 10, 11)
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12. An optical mouse, comprising:
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a printed circuit board;
an optical mouse sensor mounted on the printed circuit board;
a laser electrically coupled to the optical mouse sensor to receive a drive current; and
a resistor mounted on the printed circuit board, wherein the resistor indicates a parameter of a function to be programmed into the optical mouse sensor for driving the laser. - View Dependent Claims (13, 14, 15, 16, 17)
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18. A method for recording information during assembly of a device, comprising
mounting a dummy resistor on a printed circuit board, the dummy resistor indicating the information, the dummy resistor not being part of any circuit used during operation of the device.
Specification