| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_79b5f9d76648dfc226a261cfb970de9c |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/G02F1-1313
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/G01N21-91 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/G01N21-91
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/G02F1-13 |
| filingDate |
1971-01-06-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate |
1973-07-10-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_1f20c7cb52cef40913988d95faa0b917
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_b01af39330c3ace4912a2d1f8ade9b79 |
| publicationDate |
1973-07-10-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
US-3744920-A |
| titleOfInvention |
Detection system |
| abstract |
A system for identifying the presence of physical surface patterns and/or areas in a surface which have different electrical conductivity characteristics from those of adjacent areas of the same surface. The system utilizes the optical characteristics of liquid crystal films having optically negative properties. |
| isCitedBy |
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-6046811-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-3867016-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/FR-2420600-A1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-5315421-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-3975287-A |
| priorityDate |
1971-01-06-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |