http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CA-1291584-C
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_5547f741b25666fc4ae5195cf71a979b |
| classificationCPCAdditional | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/H04B7-18539 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/H04B7-2045 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/H04B7-2041 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/H04B7-15 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/H04B7-204 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/H04B7-185 |
| filingDate | 1988-09-09-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 1991-10-29-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_1ef383b7ab0c1a2e864da8e365d9ffa5 |
| publicationDate | 1991-10-29-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CA-1291584-C |
| titleOfInvention | Mobile satellite communication system |
| abstract | A satellite communication system includes a plurality of mobile stations which are situated on the earth and a communication satellite which is communicable with the mobile stations by radio signals over a plurality of spot beams. The satellite applies single sideband amplitude modulation (SSB-AM) to analog signals which are sent from the mobile stations, applies digital modulation to coded voice and data, and separates signals in the form of frequency-division-multiplexed (FDM) signals on a channel basis by a transmultiplexer method which is implemented by demultiplexers of a transponder. Baseband matrix means is provided for connecting an output of any of the demultiplexers to one of the spot beams to be transmitted. Further, transmitting means is provided for time-division-multiplexing outputs of the baseband matrix means to form a transmit frame and transmitting it in the form of a TDM signal, On the other hand, each mobile station includes a receiver for selecting a channel signal to be received out of the TDM signal which is sent from the transmitting means of the onboard transponder, and demodulates it to regenerate a signal. |
| priorityDate | 1987-09-11-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 26.