http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-207531061-U
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_e1c423fed3f9c3016ad462458928b998 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/H04R9-06 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/H04R9-02 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/H04R1-20 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/H04R3-00 |
| filingDate | 2017-07-17-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2018-06-22-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_d8a192f8f293e7425b66fe69f86eb9d2 |
| publicationDate | 2018-06-22-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-207531061-U |
| titleOfInvention | A kind of novel noise reduction loudspeaker |
| abstract | The utility model discloses a kind of novel noise reduction loudspeaker, including speaker body, microphone and loudspeaker protecting cover, the speaker body includes frame, magnet, sound coil and vibrating diaphragm, the loudspeaker protecting cover is arranged on basin frame openings and is fastened with frame, the magnet, sound coil and vibrating diaphragm are arranged in the accommodation space being made of loudspeaker protecting cover and frame, the vibrating diaphragm, sound coil, magnet are set gradually from top to bottom, it is characterised in that：The sound coil left end is provided with a regulating device, the loudspeaker protecting cover upper end is provided with a groove, the microphone is arranged in groove, the loudspeaker protecting cover upper end is provided with piezoelectric ceramic piece, oscillating plate is provided between the piezoelectric ceramic piece and loudspeaker protecting cover, the novel noise reduction loudspeaker can adjust the direction of microphone pickup noise, and sound-deadening and noise-reducing effect is good. |
| priorityDate | 2017-07-17-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 18.