Radiant energy – Photocells; circuits and apparatus – With circuit for evaluating a web – strand – strip – or sheet
Reexamination Certificate
2005-04-05
2005-04-05
Allen, Stephone B. (Department: 2878)
Radiant energy
Photocells; circuits and apparatus
With circuit for evaluating a web, strand, strip, or sheet
C250S559400, C356S004030, C356S614000, C356S625000
Reexamination Certificate
active
06875993
ABSTRACT:
Laser optical sensing systems and methods for detecting object characteristics are disclosed. The system includes a laser source with at least two emission apertures from which laser signals are emitted. The system also includes at least one detector, which is operationally responsive to the laser source. The system can also include a microprocessor that is operationally coupled to the detector(s) for processing signal data, a memory accessible by the microprocessor for storing object characteristics (e.g., unique signals), and a software module accessible by the microprocessor for enabling system training and detection operations. The laser source emits into an environment at least two laser signals, one from each emission aperture. The detector detects the laser signals after the signals pass through the environment, which is occupied by an object, and the microprocessor determines object characteristics based on the matching of laser signals received by the detector(s) and characteristics stored in memory.
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Patent Cooperation Treaty, International Search Report, Aug. 5, 2002, for PCT counterpart PCT/US 02/11464 of this US patent application.
Guenter James K.
Tatum Jimmy A.
Abeyta Andrew A.
Allen Stephone B.
Honeywell International , Inc.
Ortiz & Lopez PLLC
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