System and method for attenuating the effect of ambient light on an optical sensor
First Claim
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1. A sensor reader, comprising:
- a receiver for receiving a wireless signal transmitted from a sensor;
a user interface for displaying information to a user of the sensor reader, wherein the information is related to information contained within said wireless signal; and
a photodetector for detecting the intensity of ambient light.
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Abstract
The present invention provides systems and methods for attenuating the effect of ambient light on optical sensors and for measuring and compensating quantitatively for the ambient light.
12 Citations
20 Claims
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1. A sensor reader, comprising:
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a receiver for receiving a wireless signal transmitted from a sensor;
a user interface for displaying information to a user of the sensor reader, wherein the information is related to information contained within said wireless signal; and
a photodetector for detecting the intensity of ambient light. - View Dependent Claims (2, 3, 4, 5, 6)
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7. In a sensor reader having a photodetector, a receiver for receiving a signal from an optical sensor, and a user interface for receiving input from a user of the sensor reader and for providing the user with information, a method, comprising:
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determining the intensity of ambient light;
determining whether the intensity of the ambient light is greater than a predetermined threshold intensity; and
issuing a warning to the user if it is determined that the intensity of the ambient light is greater than the predetermined threshold intensity. - View Dependent Claims (8, 9, 10, 11, 12)
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13. A sensor reader, comprising:
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a photodetector;
a receiver for receiving a signal from an optical sensor;
a user interface for receiving input from a user of the sensor reader and for providing the user with information;
means for determining the intensity of ambient light;
means for determining whether the intensity of the ambient light is greater than a predetermined threshold intensity; and
means for issuing a warning to the user if it is determined that the intensity of the ambient light is greater than the predetermined threshold intensity. - View Dependent Claims (14, 15, 16, 17, 18, 19, 20)
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Specification