http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-3825820-A
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_436c6b032c4f03c048f2e17425ffc190 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/G01N27-9046 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/G01N27-90 |
| filingDate | 1972-10-31-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 1974-07-23-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_c743b05ee727985de9deac37fabad6db http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_3cfb88672a4f093c7a580e33758a795b http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_8622f8c33db4e756e364d1ac8d6f6577 |
| publicationDate | 1974-07-23-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | US-3825820-A |
| titleOfInvention | Gate circuit for non-destructive testing systems for indicating when test signals lie within predetermined limits |
| abstract | Box gate circuit is disclosed for non-destructive testing systems such as eddy current testing systems in which first and second signals in phase quadrature relation are developed. The circuit preferably includes first and second adjustable limit circuits and first and second comparator circuits coupled to a gate circuit to develop an output signal only when the amplitude of the first signal is between limits set by the first limit circuit and the amplitude of the second signal is concurrently between limits set by the second limit circuit. Monitoring means are provided preferably including an oscilloscope and a multiplexer arrangement alternately applies the first and second signals and slow and fast sawtooth signals to the horizontal and vertical inputs of the oscilloscope with intensity of the oscilloscope spot being controlled from the output of the box gate circuit. |
| isCitedBy | http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-4644272-A http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-5502382-A http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-4378700-A http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-4818936-A http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-3904957-A |
| priorityDate | 1972-10-31-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
| Predicate | Subject |
|---|---|
| isDiscussedBy | http://rdf.ncbi.nlm.nih.gov/pubchem/compound/CID23663992 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID408900267 |
Total number of triples: 21.