| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_662cfedae384cc78685cc37dad3f7529 |
| classificationCPCAdditional |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/G06T2201-0065
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/G06T2201-0062
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/G06T2201-0052 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/G06K9-00463
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/G10L21-12
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/G06K9-2018
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/G06T1-0085
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/G07D7-08
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B42D25-30
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/G06V30-414 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/G06K9-20
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B42D25-30
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/G06K9-00
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/G06T1-00
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/G10L21-12 |
| filingDate |
2013-02-07-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_786f4d867cb2fae4298f06bd9ecc787a |
| publicationDate |
2015-02-05-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
US-2015036872-A1 |
| titleOfInvention |
Audible document identification for visually impaired people |
| abstract |
Disclosed is a document or article carrying information for the audible authentication of said document or article, wherein the information is present in or on said document or article in the form of a frequency-versus-time spectral density function (spectrogram), the spectrogram being embodied using document security means. Disclosed are further a method for producing said document or article; a reader device for displaying audible authentication information from said document or article, a method for authenticating said document or article and the use of a spectrogram for document authentication purposes. |
| priorityDate |
2012-02-23-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |