http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-3825693-A
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_5b9f17bc4ec58ad64572aee4b3c7fb00 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/H04Q11-04 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/H04M3-561 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/G04F10-04 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/H04M3-58 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/H04J3-047 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/H04M3-56 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/G04F10-04 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/H04J3-04 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/H04M3-58 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/H04Q11-04 |
| filingDate | 1972-09-25-04:00^^<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_e016202ef0107310679976cc34181d17 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_d1d3de0ae20645eb53a2650d2162cedf |
| publicationDate | 1974-07-23-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | US-3825693-A |
| titleOfInvention | Time division multiplex branch exchange |
| abstract | A time division multiplex branch exchange includes a plurality of stations that have audio input and output capacity. A pair of receiving wires and a pair of transmitting wires are connected to each station. A plurality of receiving amplifiers and transmitting amplifiers are attached to the transmitting and receiving wires of each station, respectively. A summing means, which may include an amplifier, combines the inputs produced during each of a series of time slots which recur at a predetermined frequency. Input and output gates are connected to the receiving and transmitting amplifiers and to the summing means. Particular circuitry is described including a three input AND gate used for generating ring signals and a disconnect timer activated by the hookswitch to prevent the hookswitch from signalling a line holding condition. |
| isCitedBy | http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-4345323-A http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-3892924-A |
| priorityDate | 1972-09-25-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 32.