Sensor having a communication device, sensor communication...

Radiant energy – Invisible radiant energy responsive electric signalling – Infrared responsive

Reexamination Certificate

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Reexamination Certificate

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07132659

ABSTRACT:
A method of communicating information from a sensor includes the step of modulating the emission of energy from an energy source in a manner that corresponds to information to be transmitted from the sensor through a transmissive section in the sensor housing. Energy from the energy source, which is within the housing of the sensor, also interacts with an analyte in a detectable manner. A sensor for detecting the presence of an analyte in an environment being tested includes a housing, an energy source within the housing, at least one detector within the housing adapted to detect interaction between energy emitted by the energy source and the analyte, a transmissive section in the housing through which energy emitted from the energy source can be transmitted; and a controller within the housing in operative connection with the energy source to modulate emission of energy from the energy source in a manner to communicate information through the transmissive section.

REFERENCES:
patent: 5025653 (1991-06-01), Schuldt
patent: 5321492 (1994-06-01), Detwiler et al.
patent: 5923035 (1999-07-01), Winkler et al.
patent: 6538728 (2003-03-01), Stolle et al.
patent: 1 281 977 (2003-02-01), None
patent: WO 03/014714 (2003-02-01), None

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