http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CA-1301387-C
Outgoing Links
Predicate | Object |
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assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_a00d9e12fbdd62abfeeaddf3f711fd5c |
classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/H04M1-68 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/H04M1-19 |
classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/H04M1-19 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/H04M1-06 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/H04M1-03 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/H04M1-08 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/H04M1-68 |
filingDate | 1989-03-15^^<http://www.w3.org/2001/XMLSchema#date> |
grantDate | 1992-05-19^^<http://www.w3.org/2001/XMLSchema#date> |
inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_d366c286edee169d4520aa4395d35ec7 |
publicationDate | 1992-05-19^^<http://www.w3.org/2001/XMLSchema#date> |
publicationNumber | CA-1301387-C |
titleOfInvention | Security handset |
abstract | SECURITY HANDSET Abstract of the Disclosure A security device for use with a telephone handset having a microphone and an ear transducer is disclosed. It is adapted to prevent eavesdropping while the handset is in an on-hook position. The security device is comprised of switching means disposed in the handset adapted to disable the transducers. The switching means is switched to a first state when the handset is placed within a first predetermined orientation corresponding to a secure mode and is switched to a second state when the handset is placed within a second predetermined orientation corresponding to an operative mode. |
priorityDate | 1988-10-28^^<http://www.w3.org/2001/XMLSchema#date> |
type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
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