http://rdf.ncbi.nlm.nih.gov/pubchem/patent/EP-0856982-A2
Outgoing Links
Predicate | Object |
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assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_c91e894bb036ae10887f4aef12e85b16 |
classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/H04M11-025 |
classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/H04M11-02 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/E05B47-04 |
filingDate | 1997-12-20-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_63cf91cc844de594595c76d413a2a0ff |
publicationDate | 1998-08-05-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
publicationNumber | EP-0856982-A2 |
titleOfInvention | Door answering equipment |
abstract | The invention relates to a door intercom systemnthe two-way communication over a two-wire connection toonbetween door intercoms to be passed one after the othernand a subscriber's telephone set dialed from therenenables.n n n To solve the problem of the differentnVoltages and currents is a cascadablenConnection module 40 provided with a switch 50, thenwhen responding to a from a door intercom 30nComing dialing only this door intercom to thentwo-wire PBX 10 turns on and the other (s) withna power source (60) connecting a quiescent currentnfeeds.n n n The invention makes the possible uses of door intercom systems with two-wire connections more diverse and also enables doors to be passed one after the other, such as garden and front door. |
isCitedBy | http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-2011298018-A1 |
priorityDate | 1997-02-04-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Predicate | Subject |
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isDiscussedBy | http://rdf.ncbi.nlm.nih.gov/pubchem/compound/CID114864 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID128048218 |
Total number of triples: 15.