http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-8216519-B2
Outgoing Links
Predicate | Object |
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assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_b1f7d0a25e3eec56375af7d71b9b0107 http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_86f32417eeba48d571363744b228dbff |
classificationCPCAdditional | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/Y10T436-10 |
classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/G01N27-18 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/G01N27-126 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/G01N27-122 |
classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/G01N27-18 |
filingDate | 2006-11-24-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
grantDate | 2012-07-10-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_4fc1a003d08c02fe33cb4ebad6f23aaa |
publicationDate | 2012-07-10-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
publicationNumber | US-8216519-B2 |
titleOfInvention | Electronic chemical trace detector |
abstract | A hotplate chemical trace detector comprising a heatable conducting plate with a heater element having a predetermined temperature-power characteristic. A balancing circuit comprises an adjustable resistor for tuning the heater element to a predefined resistor value. A processor is provided for adjusting the adjustable resistor so as to provide a stabilized temperature in said heatable conducting plate and a detection circuit is provided for detecting a change of resistance in the heatable conducting plate in accordance with the presence of a chemical trace reacting in the presence of the conducting plate. According to the invention a test circuit is provided for measuring a dissipated power in the heater element and for calculating a real temperature from the dissipated power in the heater element based on the predetermined temperature-power characteristic. |
priorityDate | 2005-11-24-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Predicate | Subject |
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isDiscussedBy | http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID226405493 http://rdf.ncbi.nlm.nih.gov/pubchem/compound/CID31272 |
Total number of triples: 18.