The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 04, 2003
Filed:
Oct. 18, 1999
Gary R L Olson, Belle Plaine, MN (US);
Eardley L. Ham, Chaska, MN (US);
Andrew J. Pichotta, Minneapolis, MN (US);
Control Products, Inc., Chanhassen, MN (US);
Abstract
A detection apparatus comprising a device adapted for transmitting a transmitted serial data stream and receiving a received serial data stream, and further comprising a sensor adapted for receiving the transmitted serial data stream from the device, returning the received serial data stream to the device when a transmission medium is in a Data Pass Through State, and not returning the received serial data stream to the device when the transmission medium is in a No Data Pass Through State. The transmission medium is influenced by an external event. The device verifies the received serial data stream against the transmitted serial data stream to verify the transmission medium is in the Data Pass Through State and to determine whether the external event has influenced the transmission medium. The invention further includes a method for detecting an external event, comprising the steps of: transmitting transmitted serial data streams; selectively returning the transmitted serial data streams as received serial data streams when a transmission medium is in a Data Pass Through State, wherein the transmission medium is influenced by an external event; receiving said received serial data streams; and verifying said received serial data streams against said transmitted serial data streams to determine if the external event has influenced the transmission medium.
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