Multifunctional portable learning aid
The invention belongs to the technical field of learning aids, and discloses a multifunctional portable learning aid for solving the problems that the existing learning aid is single in function and the electronic display screen easily hurts eyes and diverts learning attention. The multifunctional p...
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| creator | MU SHENGJUN |
| description | The invention belongs to the technical field of learning aids, and discloses a multifunctional portable learning aid for solving the problems that the existing learning aid is single in function and the electronic display screen easily hurts eyes and diverts learning attention. The multifunctional portable learning aid comprises an upper shell and a lower shell, wherein the upper shell is provided with first and second key switches; the first key switch and the second key switch are identical in number of keys; the lower end of each key of the first and second key switches is connected with at least one binding post, and the lower end of each key of the first key switch is connected with a key in the second key switch; the keys of the first and second key switches are connected together by conducting wires; the conducting wires of the first key switch and the second key switch are connected in series with an integrated circuit board and a power supply, and the integrated circuit board is connected in series with a loudspeaker. |
| format | Patent |
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The multifunctional portable learning aid comprises an upper shell and a lower shell, wherein the upper shell is provided with first and second key switches; the first key switch and the second key switch are identical in number of keys; the lower end of each key of the first and second key switches is connected with at least one binding post, and the lower end of each key of the first key switch is connected with a key in the second key switch; the keys of the first and second key switches are connected together by conducting wires; the conducting wires of the first key switch and the second key switch are connected in series with an integrated circuit board and a power supply, and the integrated circuit board is connected in series with a loudspeaker.</description><language>eng</language><subject>ADVERTISING ; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND,DEAF OR MUTE ; CRYPTOGRAPHY ; DIAGRAMS ; DISPLAY ; EDUCATION ; EDUCATIONAL OR DEMONSTRATION APPLIANCES ; GLOBES ; PHYSICS ; PLANETARIA ; SEALS</subject><creationdate>2016</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20160113&DB=EPODOC&CC=CN&NR=105243881A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76289</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20160113&DB=EPODOC&CC=CN&NR=105243881A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>MU SHENGJUN</creatorcontrib><title>Multifunctional portable learning aid</title><description>The invention belongs to the technical field of learning aids, and discloses a multifunctional portable learning aid for solving the problems that the existing learning aid is single in function and the electronic display screen easily hurts eyes and diverts learning attention. The multifunctional portable learning aid comprises an upper shell and a lower shell, wherein the upper shell is provided with first and second key switches; the first key switch and the second key switch are identical in number of keys; the lower end of each key of the first and second key switches is connected with at least one binding post, and the lower end of each key of the first key switch is connected with a key in the second key switch; the keys of the first and second key switches are connected together by conducting wires; the conducting wires of the first key switch and the second key switch are connected in series with an integrated circuit board and a power supply, and the integrated circuit board is connected in series with a loudspeaker.</description><subject>ADVERTISING</subject><subject>APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND,DEAF OR MUTE</subject><subject>CRYPTOGRAPHY</subject><subject>DIAGRAMS</subject><subject>DISPLAY</subject><subject>EDUCATION</subject><subject>EDUCATIONAL OR DEMONSTRATION APPLIANCES</subject><subject>GLOBES</subject><subject>PHYSICS</subject><subject>PLANETARIA</subject><subject>SEALS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2016</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZFD1Lc0pyUwrzUsuyczPS8xRKMgvKklMyklVyElNLMrLzEtXSMxM4WFgTUvMKU7lhdLcDIpuriHOHrqpBfnxqcUFicmpeakl8c5-hgamRibGFhaGjsbEqAEAa9YngQ</recordid><startdate>20160113</startdate><enddate>20160113</enddate><creator>MU SHENGJUN</creator><scope>EVB</scope></search><sort><creationdate>20160113</creationdate><title>Multifunctional portable learning aid</title><author>MU SHENGJUN</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_CN105243881A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2016</creationdate><topic>ADVERTISING</topic><topic>APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND,DEAF OR MUTE</topic><topic>CRYPTOGRAPHY</topic><topic>DIAGRAMS</topic><topic>DISPLAY</topic><topic>EDUCATION</topic><topic>EDUCATIONAL OR DEMONSTRATION APPLIANCES</topic><topic>GLOBES</topic><topic>PHYSICS</topic><topic>PLANETARIA</topic><topic>SEALS</topic><toplevel>online_resources</toplevel><creatorcontrib>MU SHENGJUN</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>MU SHENGJUN</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Multifunctional portable learning aid</title><date>2016-01-13</date><risdate>2016</risdate><abstract>The invention belongs to the technical field of learning aids, and discloses a multifunctional portable learning aid for solving the problems that the existing learning aid is single in function and the electronic display screen easily hurts eyes and diverts learning attention. The multifunctional portable learning aid comprises an upper shell and a lower shell, wherein the upper shell is provided with first and second key switches; the first key switch and the second key switch are identical in number of keys; the lower end of each key of the first and second key switches is connected with at least one binding post, and the lower end of each key of the first key switch is connected with a key in the second key switch; the keys of the first and second key switches are connected together by conducting wires; the conducting wires of the first key switch and the second key switch are connected in series with an integrated circuit board and a power supply, and the integrated circuit board is connected in series with a loudspeaker.</abstract><oa>free_for_read</oa></addata></record> |
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| language | eng |
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| subjects | ADVERTISING APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND,DEAF OR MUTE CRYPTOGRAPHY DIAGRAMS DISPLAY EDUCATION EDUCATIONAL OR DEMONSTRATION APPLIANCES GLOBES PHYSICS PLANETARIA SEALS |
| title | Multifunctional portable learning aid |
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