http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-3701587-A
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_13aa7b32ae00ed83af7dfaa0b6a1f7c2 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/G02B13-24 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/G02B9-34 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/G02B13-24 |
| filingDate | 1971-05-19-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 1972-10-31-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_4cb254944c5aec440c28384ec1089dfa |
| publicationDate | 1972-10-31-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | US-3701587-A |
| titleOfInvention | Image focusing lens system for copying machines |
| abstract | A NEW SYSTEM FOR COPYING MACHINES, INCLUDING AN IMAGE FOCUSING LENS SYSTEM IS NOW PROPOSED. THE SAID IMAGE FOCUSING LENS SYSTEM WHICH IS THE SUBJECT MATTER OF THE PRESENT APPLICATION HAS A BRIGHT F NUMBER AS LARGE AS ABOUT 4 AND IS WELL COMPENSATED IN ABERRATION. THE IMAGE FOCUSING LENS SYSTEM INCORPORATES A SUBSTANTIALLY SYMMETRICAL IMAGE FOCUSING LENS CONSTRUCTION OR A SYMMETRICAL HALF OF THE FOCUSING LENS CONSTRUCTION WITH THE ADDITION OF A PLANE MIRROR, ROOF MIRROR OR ROOF PRISM (DACH PRISM) DISPOSED BEHIND THE SYMMETRICAL LENS HALF. |
| isCitedBy | http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-4497617-A http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-4311366-A |
| priorityDate | 1970-05-20-04:00^^<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/substance/SID421005455 http://rdf.ncbi.nlm.nih.gov/pubchem/compound/CID4610 |
Total number of triples: 17.