http://rdf.ncbi.nlm.nih.gov/pubchem/patent/DE-2742071-A1

Outgoing Links

Predicate Object
assignee http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_03827c52e35d40e68d80c277e54aaa61
classificationCPCInventive http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/A63H33-00
classificationIPCInventive http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/A63H33-00
filingDate 1977-09-19-04:00^^<http://www.w3.org/2001/XMLSchema#date>
inventor http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_2c6c1f6bc664a08ff59a47e475e7ab6e
publicationDate 1979-04-05-04:00^^<http://www.w3.org/2001/XMLSchema#date>
publicationNumber DE-2742071-A1
titleOfInvention LISTENING PLAY LIGHTING HEAD FOR AND WITH TELEPHONE SETS OR CASSETTE RECORDER
abstract A monitoring - illuminating - listening head has two listening systems for and with telephones (in the house) and/or cassette recorders, especially in conjunction with a home telephone appts. The installation provides a second receiver and/or an ear listening piece as a normal connection for cassette recorders. In addition there is a third system with a small light bulb operated by an illuminating contact through a battery installation used for children's listening and illuminating games. The two different listening systems i.e. telephone second receiver and the ear listening piece are combined in one listening head consisting of two sections one containing raw coconut fibres as acoustic material with both systems working individually, but fitted together by screw connection of listening head and holding frame.
priorityDate 1977-09-19-04:00^^<http://www.w3.org/2001/XMLSchema#date>
type http://data.epo.org/linked-data/def/patent/Publication

Incoming Links

Predicate Subject
isDiscussedBy http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID418354341
http://rdf.ncbi.nlm.nih.gov/pubchem/compound/CID23978

Total number of triples: 13.